Ammonia - The NIST WebBook

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Ammonia
  • Formula: H3N
  • Molecular weight: 17.0305
  • IUPAC Standard InChI: InChI=1S/H3N/h1H3 Copy InChI version 1.06
  • IUPAC Standard InChIKey: QGZKDVFQNNGYKY-UHFFFAOYSA-N Copy
  • CAS Registry Number: 7664-41-7
  • Chemical structure: H3N This structure is also available as a 2d Mol file or as a computed 3d SD file View 3d structure (requires JavaScript / HTML 5)
  • Isotopologues:
    • Ammonia-d3
  • Other names: Ammonia gas; Nitro-Sil; Spirit of Hartshorn; NH3; Ammonia, anhydrous; Anhydrous ammonia; Aromatic Ammonia, Vaporole
  • Permanent link for this species. Use this link for bookmarking this species for future reference.
  • Information on this page:
    • Ion clustering data
    • References
    • Notes
  • Other data available:
    • Gas phase thermochemistry data
    • Phase change data
    • Reaction thermochemistry data: reactions 1 to 50, reactions 51 to 100, reactions 101 to 146
    • Henry's Law data
    • Gas phase ion energetics data
    • IR Spectrum
    • Mass spectrum (electron ionization)
    • Vibrational and/or electronic energy levels
    • Gas Chromatography
    • Fluid Properties
  • Data at other public NIST sites:
    • Electron-Impact Ionization Cross Sections (on physics web site)
    • Gas Phase Kinetics Database
    • X-ray Photoelectron Spectroscopy Database, version 5.0
  • Options:
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Ion clustering data

Go To: Top, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments: M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias B - John E. Bartmess RCD - Robert C. Dunbar

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

(Silver ion (1+) • Ammonia) + Ammonia = (Silver ion (1+) • 2Ammonia)

By formula: (Ag+ • H3N) + H3N = (Ag+ • 2H3N)

Quantity Value Units Method Reference Comment
ΔrH°154.kJ/molHPMSHolland and Castleman, 1982gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°137.J/mol*KHPMSHolland and Castleman, 1982gas phase; M

(Silver ion (1+) • 2Ammonia) + Ammonia = (Silver ion (1+) • 3Ammonia)

By formula: (Ag+ • 2H3N) + H3N = (Ag+ • 3H3N)

Quantity Value Units Method Reference Comment
ΔrH°61.1kJ/molHPMSHolland and Castleman, 1982gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°103.J/mol*KHPMSHolland and Castleman, 1982gas phase; M

(Silver ion (1+) • 3Ammonia) + Ammonia = (Silver ion (1+) • 4Ammonia)

By formula: (Ag+ • 3H3N) + H3N = (Ag+ • 4H3N)

Quantity Value Units Method Reference Comment
ΔrH°54.4kJ/molHPMSHolland and Castleman, 1982gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°126.J/mol*KHPMSHolland and Castleman, 1982gas phase; M

(Silver ion (1+) • 4Ammonia) + Ammonia = (Silver ion (1+) • 5Ammonia)

By formula: (Ag+ • 4H3N) + H3N = (Ag+ • 5H3N)

Quantity Value Units Method Reference Comment
ΔrH°53.6kJ/molHPMSHolland and Castleman, 1982gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°143.J/mol*KHPMSHolland and Castleman, 1982gas phase; M

Bismuth ion (1+) + Ammonia = (Bismuth ion (1+) • Ammonia)

By formula: Bi+ + H3N = (Bi+ • H3N)

Quantity Value Units Method Reference Comment
ΔrH°149.kJ/molHPMSCastleman, 1978gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°149.J/mol*KHPMSCastleman, 1978gas phase; M

(Bismuth ion (1+) • Ammonia) + Ammonia = (Bismuth ion (1+) • 2Ammonia)

By formula: (Bi+ • H3N) + H3N = (Bi+ • 2H3N)

Quantity Value Units Method Reference Comment
ΔrH°97.1kJ/molHPMSCastleman, 1978gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°138.J/mol*KHPMSCastleman, 1978gas phase; M

(Bismuth ion (1+) • 2Ammonia) + Ammonia = (Bismuth ion (1+) • 3Ammonia)

By formula: (Bi+ • 2H3N) + H3N = (Bi+ • 3H3N)

Quantity Value Units Method Reference Comment
ΔrH°56.1kJ/molHPMSCastleman, 1978gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°109.J/mol*KHPMSCastleman, 1978gas phase; M

Bromine anion + Ammonia = (Bromine anion • Ammonia)

By formula: Br- + H3N = (Br- • H3N)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°32.2 ± 0.42kJ/molTDAsEvans, Keesee, et al., 1987gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°79.9J/mol*KHPMSEvans, Keesee, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°8.37 ± 0.84kJ/molTDAsEvans, Keesee, et al., 1987gas phase; B

CH6N+ + Ammonia = (CH6N+ • Ammonia)

By formula: CH6N+ + H3N = (CH6N+ • H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°89.5kJ/molPHPMSYamdagni and Kebarle, 1974gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°110.J/mol*KPHPMSYamdagni and Kebarle, 1974gas phase; M

C2H8N+ + Ammonia = (C2H8N+ • Ammonia)

By formula: C2H8N+ + H3N = (C2H8N+ • H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°86.2kJ/molPHPMSYamdagni and Kebarle, 1974gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°118.J/mol*KPHPMSYamdagni and Kebarle, 1974gas phase; M

C3H9Si+ + Ammonia = (C3H9Si+ • Ammonia)

By formula: C3H9Si+ + H3N = (C3H9Si+ • H3N)

Quantity Value Units Method Reference Comment
ΔrH°195.kJ/molPHPMSLi and Stone, 1990gas phase; switching reaction((CH3)3Si+)CH3COOC2H5; Wojtyniak and Stone, 1986; M

C3H9Sn+ + Ammonia = (C3H9Sn+ • Ammonia)

By formula: C3H9Sn+ + H3N = (C3H9Sn+ • H3N)

Quantity Value Units Method Reference Comment
ΔrH°154.kJ/molPHPMSStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH/NH3, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°122.J/mol*KN/AStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH/NH3, Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
90.4525.PHPMSStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH/NH3, Entropy change calculated or estimated; M

C4H9+ + Ammonia = (C4H9+ • Ammonia)

By formula: C4H9+ + H3N = (C4H9+ • H3N)

Quantity Value Units Method Reference Comment
ΔrH°196.kJ/molPHPMSMeot-Ner (Mautner) and Sieck, 1991gas phase; forms t-C4H9NH3+; M
ΔrH°190.kJ/molPHPMSSzulejko and McMahon, 1991gas phase; forms t-C4H9NH3+; M
ΔrH°195.kJ/molPHPMSMeot-Ner (Mautner) and Sieck, 1990gas phase; forms t-C4H9NH3+; M
Quantity Value Units Method Reference Comment
ΔrS°183.J/mol*KPHPMSMeot-Ner (Mautner) and Sieck, 1991gas phase; forms t-C4H9NH3+; M
ΔrS°198.J/mol*KPHPMSSzulejko and McMahon, 1991gas phase; forms t-C4H9NH3+; M
ΔrS°184.J/mol*KPHPMSMeot-Ner (Mautner) and Sieck, 1990gas phase; forms t-C4H9NH3+; M

C5H10NO2+ + Ammonia = (C5H10NO2+ • Ammonia)

By formula: C5H10NO2+ + H3N = (C5H10NO2+ • H3N)

Quantity Value Units Method Reference Comment
ΔrH°86.2kJ/molPHPMSMeot-Ner and Field, 1974gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°121.J/mol*KPHPMSMeot-Ner and Field, 1974gas phase; M

C5H12NO2+ + Ammonia = (C5H12NO2+ • Ammonia)

By formula: C5H12NO2+ + H3N = (C5H12NO2+ • H3N)

Quantity Value Units Method Reference Comment
ΔrH°87.4kJ/molPHPMSMeot-Ner and Field, 1974gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°120.J/mol*KPHPMSMeot-Ner and Field, 1974gas phase; M

C6H15O3+ + Ammonia = (C6H15O3+ • Ammonia)

By formula: C6H15O3+ + H3N = (C6H15O3+ • H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°127.kJ/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°117.J/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M

Chlorine anion + Ammonia = (Chlorine anion • Ammonia)

By formula: Cl- + H3N = (Cl- • H3N)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°<30.5 ± 1.7kJ/molN/ATschurl and Boesl, 2008gas phase; B
ΔrH°34.3 ± 0.42kJ/molTDAsEvans, Keesee, et al., 1987gas phase; B,M
ΔrH°37. ± 5.0kJ/molN/AMarkovich, Chesnovsky, et al., 1993gas phase; B
ΔrH°44. ± 17.kJ/molIMRELarson and McMahon, 1984gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°64.4J/mol*KHPMSEvans, Keesee, et al., 1987gas phase; M
ΔrS°83.3J/mol*KN/ALarson and McMahon, 1984gas phase; switching reaction(Cl-)CH3F, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity Value Units Method Reference Comment
ΔrG°15.1 ± 0.84kJ/molTDAsEvans, Keesee, et al., 1987gas phase; B
ΔrG°19. ± 8.4kJ/molIMRELarson and McMahon, 1984gas phase; B,M

Cobalt ion (1+) + Ammonia = (Cobalt ion (1+) • Ammonia)

By formula: Co+ + H3N = (Co+ • H3N)

Quantity Value Units Method Reference Comment
ΔrH°218. ± 15.kJ/molCIDTWalter and Armentrout, 1998RCD
ΔrH°246.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Cobalt ion (1+) • Ammonia) + Ammonia = (Cobalt ion (1+) • 2Ammonia)

By formula: (Co+ • H3N) + H3N = (Co+ • 2H3N)

Quantity Value Units Method Reference Comment
ΔrH°248. ± 13.kJ/molCIDTWalter and Armentrout, 1998RCD
ΔrH°256.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Cobalt ion (1+) • 2Ammonia) + Ammonia = (Cobalt ion (1+) • 3Ammonia)

By formula: (Co+ • 2H3N) + H3N = (Co+ • 3H3N)

Quantity Value Units Method Reference Comment
ΔrH°64.0 ± 5.9kJ/molCIDTWalter and Armentrout, 1998RCD

(Cobalt ion (1+) • 3Ammonia) + Ammonia = (Cobalt ion (1+) • 4Ammonia)

By formula: (Co+ • 3H3N) + H3N = (Co+ • 4H3N)

Quantity Value Units Method Reference Comment
ΔrH°49.0 ± 5.9kJ/molCIDTWalter and Armentrout, 1998RCD

Chromium ion (1+) + Ammonia = (Chromium ion (1+) • Ammonia)

By formula: Cr+ + H3N = (Cr+ • H3N)

Quantity Value Units Method Reference Comment
ΔrH°182. ± 10.kJ/molCIDTWalter and Armentrout, 1998RCD
ΔrH°156.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Chromium ion (1+) • Ammonia) + Ammonia = (Chromium ion (1+) • 2Ammonia)

By formula: (Cr+ • H3N) + H3N = (Cr+ • 2H3N)

Quantity Value Units Method Reference Comment
ΔrH°179. ± 9.2kJ/molCIDTWalter and Armentrout, 1998RCD
ΔrH°171.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Chromium ion (1+) • 2Ammonia) + Ammonia = (Chromium ion (1+) • 3Ammonia)

By formula: (Cr+ • 2H3N) + H3N = (Cr+ • 3H3N)

Quantity Value Units Method Reference Comment
ΔrH°54.0 ± 5.9kJ/molCIDTWalter and Armentrout, 1998RCD

(Chromium ion (1+) • 3Ammonia) + Ammonia = (Chromium ion (1+) • 4Ammonia)

By formula: (Cr+ • 3H3N) + H3N = (Cr+ • 4H3N)

Quantity Value Units Method Reference Comment
ΔrH°30. ± 9.2kJ/molCIDTWalter and Armentrout, 1998RCD

Copper ion (1+) + Ammonia = (Copper ion (1+) • Ammonia)

By formula: Cu+ + H3N = (Cu+ • H3N)

Quantity Value Units Method Reference Comment
ΔrH°237. ± 14.kJ/molCIDTWalter and Armentrout, 1998RCD

(Copper ion (1+) • Ammonia) + Ammonia = (Copper ion (1+) • 2Ammonia)

By formula: (Cu+ • H3N) + H3N = (Cu+ • 2H3N)

Quantity Value Units Method Reference Comment
ΔrH°246. ± 10.kJ/molCIDTWalter and Armentrout, 1998RCD

(Copper ion (1+) • 2Ammonia) + Ammonia = (Copper ion (1+) • 3Ammonia)

By formula: (Cu+ • 2H3N) + H3N = (Cu+ • 3H3N)

Quantity Value Units Method Reference Comment
ΔrH°46.9 ± 5.9kJ/molCIDTWalter and Armentrout, 1998RCD
ΔrH°58.6kJ/molHPMSHolland and Castleman, 1982gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°99.6J/mol*KHPMSHolland and Castleman, 1982gas phase; M

(Copper ion (1+) • 3Ammonia) + Ammonia = (Copper ion (1+) • 4Ammonia)

By formula: (Cu+ • 3H3N) + H3N = (Cu+ • 4H3N)

Quantity Value Units Method Reference Comment
ΔrH°41.8 ± 5.9kJ/molCIDTWalter and Armentrout, 1998RCD
ΔrH°53.6kJ/molHPMSHolland and Castleman, 1982gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°120.J/mol*KHPMSHolland and Castleman, 1982gas phase; M

(Copper ion (1+) • 4Ammonia) + Ammonia = (Copper ion (1+) • 5Ammonia)

By formula: (Cu+ • 4H3N) + H3N = (Cu+ • 5H3N)

Quantity Value Units Method Reference Comment
ΔrH°53.6kJ/molHPMSHolland and Castleman, 1982gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°138.J/mol*KHPMSHolland and Castleman, 1982gas phase; M

Fluorine anion + Ammonia = (Fluorine anion • Ammonia)

By formula: F- + H3N = (F- • H3N)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°96.kJ/molFASpears and Ferguson, 1973gas phase; ΔrH>; M

Iron ion (1+) + Ammonia = (Iron ion (1+) • Ammonia)

By formula: Fe+ + H3N = (Fe+ • H3N)

Quantity Value Units Method Reference Comment
ΔrH°183. ± 12.kJ/molCIDTWalter and Armentrout, 1998RCD
ΔrH°161.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Iron ion (1+) • Ammonia) + Ammonia = (Iron ion (1+) • 2Ammonia)

By formula: (Fe+ • H3N) + H3N = (Fe+ • 2H3N)

Quantity Value Units Method Reference Comment
ΔrH°225. ± 12.kJ/molCIDTWalter and Armentrout, 1998RCD
ΔrH°204.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Iron ion (1+) • 2Ammonia) + Ammonia = (Iron ion (1+) • 3Ammonia)

By formula: (Fe+ • 2H3N) + H3N = (Fe+ • 3H3N)

Quantity Value Units Method Reference Comment
ΔrH°68. ± 13.kJ/molCIDTWalter and Armentrout, 1998RCD

(Iron ion (1+) • 3Ammonia) + Ammonia = (Iron ion (1+) • 4Ammonia)

By formula: (Fe+ • 3H3N) + H3N = (Fe+ • 4H3N)

Quantity Value Units Method Reference Comment
ΔrH°41.8 ± 7.1kJ/molCIDTWalter and Armentrout, 1998RCD

Hydrogen anion + Ammonia = (Hydrogen anion • Ammonia)

By formula: H- + H3N = (H- • H3N)

Quantity Value Units Method Reference Comment
ΔrH°29.7kJ/molEstSnodgrass, Coe, et al., 1995gas phase; Stated electron affinity is the Vertical Detachment Energy; B
ΔrH°35.kJ/molPESCoe, Snodgrass, et al., 1985gas phase; ΔrH<; M

(Hydrogen anion • Ammonia) + Ammonia = (Hydrogen anion • 2Ammonia)

By formula: (H- • H3N) + H3N = (H- • 2H3N)

Quantity Value Units Method Reference Comment
ΔrH°33.9kJ/molEstSnodgrass, Coe, et al., 1995gas phase; Affinity: shift in apparent EA from lesser-solvated ion. Ignores any neutral-neutral bond.; B

HO- + Ammonia = H4NO-

By formula: HO- + H3N = H4NO-

Quantity Value Units Method Reference Comment
ΔrH°50.21kJ/molN/ASchwartz, Davico, et al., 2000gas phase; Vertical Detachment Energy: 2.54±0.015 eV. Affinity is from difference in EAs; B

H2N- + Ammonia = (H2N- • Ammonia)

By formula: H2N- + H3N = (H2N- • H3N)

Quantity Value Units Method Reference Comment
ΔrH°50.21kJ/molPDisSnodgrass, Coe, et al., 1989gas phase; B

(H2N- • Ammonia) + Ammonia = (H2N- • 2Ammonia)

By formula: (H2N- • H3N) + H3N = (H2N- • 2H3N)

Quantity Value Units Method Reference Comment
ΔrH°46.44kJ/molEstSnodgrass, Coe, et al., 1989gas phase; Affinity: shift in apparent EA from lesser-solvated ion. Ignores any neutral-neutral bond.; B

H3N+ + Ammonia = (H3N+ • Ammonia)

By formula: H3N+ + H3N = (H3N+ • H3N)

Quantity Value Units Method Reference Comment
ΔrH°97. ± 19.kJ/molEIStephan, Futrell, et al., 1982gas phase; M
ΔrH°75.7kJ/molPINg, Trevor, et al., 1977gas phase; M

(H3N+ • Ammonia) + Ammonia = (H3N+ • 2Ammonia)

By formula: (H3N+ • H3N) + H3N = (H3N+ • 2H3N)

Quantity Value Units Method Reference Comment
ΔrH°40. ± 20.kJ/molEIBreen, Tzeng, et al., 1989gas phase; M
ΔrH°38. ± 19.kJ/molEIStephan, Futrell, et al., 1982gas phase; M

(NH4+ • Hydrogen cyanide) + Ammonia = (NH4+ • Ammonia • Hydrogen cyanide)

By formula: (H4N+ • CHN) + H3N = (H4N+ • H3N • CHN)

Quantity Value Units Method Reference Comment
ΔrH°78.7kJ/molPHPMSDeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°92.J/mol*KN/ADeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
39.429.PHPMSDeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated; M

(NH4+ • Ethane, 1,2-dimethoxy-) + Ammonia = (NH4+ • Ammonia • Ethane, 1,2-dimethoxy-)

By formula: (H4N+ • C4H10O2) + H3N = (H4N+ • H3N • C4H10O2)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°58.6kJ/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°81.2J/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M

(NH4+ • Water) + Ammonia = (NH4+ • Ammonia • Water)

By formula: (H4N+ • H2O) + H3N = (H4N+ • H3N • H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°77.0kJ/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°96.2J/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(NH4+ • 2Water) + Ammonia = (NH4+ • Ammonia • 2Water)

By formula: (H4N+ • 2H2O) + H3N = (H4N+ • H3N • 2H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°76.1kJ/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°127.J/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(NH4+ • 3Water) + Ammonia = (NH4+ • Ammonia • 3Water)

By formula: (H4N+ • 3H2O) + H3N = (H4N+ • H3N • 3H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°72.4kJ/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°147.J/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

NH4+ + Ammonia = (NH4+ • Ammonia)

By formula: H4N+ + H3N = (H4N+ • H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°107. ± 6.kJ/molAVGN/AAverage of 4 out of 9 values; Individual data points
Quantity Value Units Method Reference Comment
ΔrS°111. ± 10.J/mol*KAVGN/AAverage of 4 out of 6 values; Individual data points

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
26.400.HPMSWincel, 1972gas phase; M

(NH4+ • Ammonia • 2Hydrogen cyanide) + Ammonia = (NH4+ • 2Ammonia • 2Hydrogen cyanide)

By formula: (H4N+ • H3N • 2CHN) + H3N = (H4N+ • 2H3N • 2CHN)

Quantity Value Units Method Reference Comment
ΔrH°54.0kJ/molPHPMSDeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°84.J/mol*KN/ADeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
28.315.PHPMSDeakyne, Knuth, et al., 1994gas phase; Entropy change calculated or estimated; M

(NH4+ • Ammonia • Acetonitrile) + Ammonia = (NH4+ • 2Ammonia • Acetonitrile)

By formula: (H4N+ • H3N • C2H3N) + H3N = (H4N+ • 2H3N • C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°64.9kJ/molMKERTzeng, Wei, et al., 1991gas phase; from graph; M

(NH4+ • 2Ammonia • Acetonitrile) + Ammonia = (NH4+ • 3Ammonia • Acetonitrile)

By formula: (H4N+ • 2H3N • C2H3N) + H3N = (H4N+ • 3H3N • C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°56.9kJ/molMKERTzeng, Wei, et al., 1991gas phase; from graph; M

(NH4+ • 3Ammonia • Acetonitrile) + Ammonia = (NH4+ • 4Ammonia • Acetonitrile)

By formula: (H4N+ • 3H3N • C2H3N) + H3N = (H4N+ • 4H3N • C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°31.kJ/molMKERTzeng, Wei, et al., 1991gas phase; from graph; M

(NH4+ • 4Ammonia • Acetonitrile) + Ammonia = (NH4+ • 5Ammonia • Acetonitrile)

By formula: (H4N+ • 4H3N • C2H3N) + H3N = (H4N+ • 5H3N • C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°29.kJ/molMKERTzeng, Wei, et al., 1991gas phase; from graph; M

(NH4+ • 5Ammonia • Acetonitrile) + Ammonia = (NH4+ • 6Ammonia • Acetonitrile)

By formula: (H4N+ • 5H3N • C2H3N) + H3N = (H4N+ • 6H3N • C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°25.kJ/molMKERTzeng, Wei, et al., 1991gas phase; from graph; M

(NH4+ • 6Ammonia • Acetonitrile) + Ammonia = (NH4+ • 7Ammonia • Acetonitrile)

By formula: (H4N+ • 6H3N • C2H3N) + H3N = (H4N+ • 7H3N • C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°23.kJ/molMKERTzeng, Wei, et al., 1991gas phase; from graph; M

(NH4+ • 7Ammonia • Acetonitrile) + Ammonia = (NH4+ • 8Ammonia • Acetonitrile)

By formula: (H4N+ • 7H3N • C2H3N) + H3N = (H4N+ • 8H3N • C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°25.kJ/molMKERTzeng, Wei, et al., 1991gas phase; from graph; M

(NH4+ • 8Ammonia • Acetonitrile) + Ammonia = (NH4+ • 9Ammonia • Acetonitrile)

By formula: (H4N+ • 8H3N • C2H3N) + H3N = (H4N+ • 9H3N • C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°23.kJ/molMKERTzeng, Wei, et al., 1991gas phase; from graph; M

(NH4+ • Ammonia • Water) + Ammonia = (NH4+ • 2Ammonia • Water)

By formula: (H4N+ • H3N • H2O) + H3N = (H4N+ • 2H3N • H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°71.5kJ/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°133.J/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(NH4+ • Ammonia • 2Water) + Ammonia = (NH4+ • 2Ammonia • 2Water)

By formula: (H4N+ • H3N • 2H2O) + H3N = (H4N+ • 2H3N • 2H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°65.7kJ/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°142.J/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(NH4+ • 2Ammonia • Water) + Ammonia = (NH4+ • 3Ammonia • Water)

By formula: (H4N+ • 2H3N • H2O) + H3N = (H4N+ • 3H3N • H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°62.8kJ/molPHPMSPayzant, Cunningham, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°144.J/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; M

(NH4+ • Ammonia) + Ammonia = (NH4+ • 2Ammonia)

By formula: (H4N+ • H3N) + H3N = (H4N+ • 2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°70. ± 5.kJ/molAVGN/AAverage of 5 out of 8 values; Individual data points
Quantity Value Units Method Reference Comment
ΔrS°100.J/mol*KHPMSTang and Castleman, 1975gas phase; M
ΔrS°99.2J/mol*KPHPMSArshadi and Futrell, 1974gas phase; M
ΔrS°104.J/mol*KDTLong and Franklin, 1973gas phase; M
ΔrS°112.J/mol*KPHPMSSearles and Kebarle, 1968gas phase; M
ΔrS°95.8J/mol*KPHPMSPayzant, Cunningham, et al., 1973gas phase; typographical error in ΔrH; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
41.296.FAFehsenfeld and Ferguson, 1973gas phase; DG>; M
42.3296.SAMSPuckett and Teague, 1971gas phase; M
23.400.HPMSWincel, 1972gas phase; M

(NH4+ • 2Ammonia) + Ammonia = (NH4+ • 3Ammonia)

By formula: (H4N+ • 2H3N) + H3N = (H4N+ • 3H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°50. ± 20.kJ/molAVGN/AAverage of 6 out of 9 values; Individual data points
Quantity Value Units Method Reference Comment
ΔrS°105. ± 5.J/mol*KAVGN/AAverage of 4 out of 7 values; Individual data points

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
27.296.FAFehsenfeld and Ferguson, 1973gas phase; M
27.296.SAMSPuckett and Teague, 1971gas phase; M

(NH4+ • 3Ammonia) + Ammonia = (NH4+ • 4Ammonia)

By formula: (H4N+ • 3H3N) + H3N = (H4N+ • 4H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°51. ± 4.kJ/molAVGN/AAverage of 5 out of 10 values; Individual data points
Quantity Value Units Method Reference Comment
ΔrS°118. ± 8.J/mol*KAVGN/AAverage of 3 out of 7 values; Individual data points

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
14.296.FAFehsenfeld and Ferguson, 1973gas phase; M

(NH4+ • 4Ammonia) + Ammonia = (NH4+ • 5Ammonia)

By formula: (H4N+ • 4H3N) + H3N = (H4N+ • 5H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°29.kJ/molPHPMSArshadi and Futrell, 1974gas phase; M
ΔrH°31.kJ/molPHPMSSearles and Kebarle, 1968gas phase; M
ΔrH°30.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M
ΔrH°12.kJ/molTPEPICOKamke, Herrmann, et al., 1988gas phase; M
ΔrH°40.kJ/molDTLong and Franklin, 1973gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°90.0J/mol*KPHPMSArshadi and Futrell, 1974gas phase; M
ΔrS°100.J/mol*KPHPMSSearles and Kebarle, 1968gas phase; M
ΔrS°130.J/mol*KDTLong and Franklin, 1973gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°2.kJ/molHPMSHogg, Haynes, et al., 1966gas phase; M

(NH4+ • 5Ammonia) + Ammonia = (NH4+ • 6Ammonia)

By formula: (H4N+ • 5H3N) + H3N = (H4N+ • 6H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°27.kJ/molPHPMSArshadi and Futrell, 1974gas phase; M
ΔrH°30.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M
Quantity Value Units Method Reference Comment
ΔrS°91.6J/mol*KPHPMSArshadi and Futrell, 1974gas phase; M

(NH4+ • 6Ammonia) + Ammonia = (NH4+ • 7Ammonia)

By formula: (H4N+ • 6H3N) + H3N = (H4N+ • 7H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°20.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M

(NH4+ • 7Ammonia) + Ammonia = (NH4+ • 8Ammonia)

By formula: (H4N+ • 7H3N) + H3N = (H4N+ • 8H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°20.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M

(NH4+ • 8Ammonia) + Ammonia = (NH4+ • 9Ammonia)

By formula: (H4N+ • 8H3N) + H3N = (H4N+ • 9H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°20.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M

(NH4+ • 9Ammonia) + Ammonia = (NH4+ • 10Ammonia)

By formula: (H4N+ • 9H3N) + H3N = (H4N+ • 10H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°20.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M

(NH4+ • 10Ammonia) + Ammonia = (NH4+ • 11Ammonia)

By formula: (H4N+ • 10H3N) + H3N = (H4N+ • 11H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°20.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M

(NH4+ • 11Ammonia) + Ammonia = (NH4+ • 12Ammonia)

By formula: (H4N+ • 11H3N) + H3N = (H4N+ • 12H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°20.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M

(NH4+ • 12Ammonia) + Ammonia = (NH4+ • 13Ammonia)

By formula: (H4N+ • 12H3N) + H3N = (H4N+ • 13H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°20.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M

(NH4+ • 13Ammonia) + Ammonia = (NH4+ • 14Ammonia)

By formula: (H4N+ • 13H3N) + H3N = (H4N+ • 14H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°20.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M

(NH4+ • 14Ammonia) + Ammonia = (NH4+ • 15Ammonia)

By formula: (H4N+ • 14H3N) + H3N = (H4N+ • 15H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°20.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M

(NH4+ • 15Ammonia) + Ammonia = (NH4+ • 16Ammonia)

By formula: (H4N+ • 15H3N) + H3N = (H4N+ • 16H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°20.kJ/molMKERWei, Tzeng, et al., 1990gas phase; from graph; M

Iodide + Ammonia = (Iodide • Ammonia)

By formula: I- + H3N = (I- • H3N)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°31.0 ± 1.3kJ/molTDAsEvans, Keesee, et al., 1987gas phase; B,M
ΔrH°31. ± 4.2kJ/molTDAsCaldwell, Masucci, et al., 1989gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°87.4J/mol*KHPMSEvans, Keesee, et al., 1987gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°5.0 ± 2.5kJ/molTDAsEvans, Keesee, et al., 1987gas phase; B

Potassium ion (1+) + Ammonia = (Potassium ion (1+) • Ammonia)

By formula: K+ + H3N = (K+ • H3N)

Quantity Value Units Method Reference Comment
ΔrH°84.1kJ/molHPMSCastleman, 1978gas phase; M
ΔrH°74.5kJ/molHPMSDavidson and Kebarle, 1976gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°96.2J/mol*KHPMSCastleman, 1978gas phase; M
ΔrS°117.J/mol*KHPMSDavidson and Kebarle, 1976gas phase; M

(Potassium ion (1+) • Ammonia) + Ammonia = (Potassium ion (1+) • 2Ammonia)

By formula: (K+ • H3N) + H3N = (K+ • 2H3N)

Quantity Value Units Method Reference Comment
ΔrH°68.2kJ/molHPMSCastleman, 1978gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°95.4J/mol*KHPMSCastleman, 1978gas phase; M

(Potassium ion (1+) • 2Ammonia) + Ammonia = (Potassium ion (1+) • 3Ammonia)

By formula: (K+ • 2H3N) + H3N = (K+ • 3H3N)

Quantity Value Units Method Reference Comment
ΔrH°56.5kJ/molHPMSCastleman, 1978gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°116.J/mol*KHPMSCastleman, 1978gas phase; M

(Potassium ion (1+) • 3Ammonia) + Ammonia = (Potassium ion (1+) • 4Ammonia)

By formula: (K+ • 3H3N) + H3N = (K+ • 4H3N)

Quantity Value Units Method Reference Comment
ΔrH°48.5kJ/molHPMSCastleman, 1978gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°106.J/mol*KHPMSCastleman, 1978gas phase; M

Lithium ion (1+) + Ammonia = (Lithium ion (1+) • Ammonia)

By formula: Li+ + H3N = (Li+ • H3N)

Quantity Value Units Method Reference Comment
ΔrH°164.kJ/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M
ΔrH°161.kJ/molICRStaley and Beauchamp, 1975gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970 extrapolated; M
Quantity Value Units Method Reference Comment
ΔrS°96.J/mol*KN/AWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M
Quantity Value Units Method Reference Comment
ΔrG°134.kJ/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M

(Lithium ion (1+) • Ammonia) + Ammonia = (Lithium ion (1+) • 2Ammonia)

By formula: (Li+ • H3N) + H3N = (Li+ • 2H3N)

Quantity Value Units Method Reference Comment
ΔrH°138.kJ/molHPMSCastleman, Holland, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°124.J/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

(Lithium ion (1+) • 2Ammonia) + Ammonia = (Lithium ion (1+) • 3Ammonia)

By formula: (Li+ • 2H3N) + H3N = (Li+ • 3H3N)

Quantity Value Units Method Reference Comment
ΔrH°87.9kJ/molHPMSCastleman, Holland, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°106.J/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

(Lithium ion (1+) • 3Ammonia) + Ammonia = (Lithium ion (1+) • 4Ammonia)

By formula: (Li+ • 3H3N) + H3N = (Li+ • 4H3N)

Quantity Value Units Method Reference Comment
ΔrH°69.0kJ/molHPMSCastleman, Holland, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°136.J/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

(Lithium ion (1+) • 4Ammonia) + Ammonia = (Lithium ion (1+) • 5Ammonia)

By formula: (Li+ • 4H3N) + H3N = (Li+ • 5H3N)

Quantity Value Units Method Reference Comment
ΔrH°46.4kJ/molHPMSCastleman, Holland, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°117.J/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

(Lithium ion (1+) • 5Ammonia) + Ammonia = (Lithium ion (1+) • 6Ammonia)

By formula: (Li+ • 5H3N) + H3N = (Li+ • 6H3N)

Quantity Value Units Method Reference Comment
ΔrH°39.kJ/molHPMSCastleman, Holland, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°106.J/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

Magnesium ion (1+) + Ammonia = (Magnesium ion (1+) • Ammonia)

By formula: Mg+ + H3N = (Mg+ • H3N)

Quantity Value Units Method Reference Comment
ΔrH°154. ± 12.kJ/molCIDTAndersen, Muntean, et al., 2000RCD

(Magnesium ion (1+) • Ammonia) + Ammonia = (Magnesium ion (1+) • 2Ammonia)

By formula: (Mg+ • H3N) + H3N = (Mg+ • 2H3N)

Quantity Value Units Method Reference Comment
ΔrH°122. ± 6.7kJ/molCIDTAndersen, Muntean, et al., 2000RCD

(Magnesium ion (1+) • 2Ammonia) + Ammonia = (Magnesium ion (1+) • 3Ammonia)

By formula: (Mg+ • 2H3N) + H3N = (Mg+ • 3H3N)

Quantity Value Units Method Reference Comment
ΔrH°95.4 ± 8.8kJ/molCIDTAndersen, Muntean, et al., 2000RCD

(Magnesium ion (1+) • 3Ammonia) + Ammonia = (Magnesium ion (1+) • 4Ammonia)

By formula: (Mg+ • 3H3N) + H3N = (Mg+ • 4H3N)

Quantity Value Units Method Reference Comment
ΔrH°44. ± 10.kJ/molCIDTAndersen, Muntean, et al., 2000RCD

(Magnesium ion (1+) • 4Ammonia) + Ammonia = (Magnesium ion (1+) • 5Ammonia)

By formula: (Mg+ • 4H3N) + H3N = (Mg+ • 5H3N)

Quantity Value Units Method Reference Comment
ΔrH°56. ± 12.kJ/molCIDTAndersen, Muntean, et al., 20005th ligand is NH3; RCD

Manganese ion (1+) + Ammonia = (Manganese ion (1+) • Ammonia)

By formula: Mn+ + H3N = (Mn+ • H3N)

Quantity Value Units Method Reference Comment
ΔrH°147. ± 7.9kJ/molCIDTWalter and Armentrout, 1998RCD
ΔrH°154.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Manganese ion (1+) • Ammonia) + Ammonia = (Manganese ion (1+) • 2Ammonia)

By formula: (Mn+ • H3N) + H3N = (Mn+ • 2H3N)

Quantity Value Units Method Reference Comment
ΔrH°152. ± 12.kJ/molCIDTWalter and Armentrout, 1998RCD
ΔrH°143.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Manganese ion (1+) • 2Ammonia) + Ammonia = (Manganese ion (1+) • 3Ammonia)

By formula: (Mn+ • 2H3N) + H3N = (Mn+ • 3H3N)

Quantity Value Units Method Reference Comment
ΔrH°64.0 ± 9.2kJ/molCIDTWalter and Armentrout, 1998RCD
ΔrH°49.4kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Manganese ion (1+) • 3Ammonia) + Ammonia = (Manganese ion (1+) • 4Ammonia)

By formula: (Mn+ • 3H3N) + H3N = (Mn+ • 4H3N)

Quantity Value Units Method Reference Comment
ΔrH°36. ± 5.9kJ/molCIDTWalter and Armentrout, 1998RCD

Nitric oxide anion + Ammonia = H3N2O-

By formula: NO- + H3N = H3N2O-

Quantity Value Units Method Reference Comment
ΔrH°43.51kJ/molN/AHendricks, de Clercq, et al., 2002gas phase; B

Sodium ion (1+) + Ammonia = (Sodium ion (1+) • Ammonia)

By formula: Na+ + H3N = (Na+ • H3N)

Quantity Value Units Method Reference Comment
ΔrH°102. ± 5.4kJ/molCIDCAmicangelo and Armentrout, 2001Anchor NH3=24.41; RCD
ΔrH°102. ± 5.4kJ/molCIDTArmentrout and Rodgers, 2000RCD
ΔrH°107. ± 0.8kJ/molHPMSHoyau, Norrman, et al., 1999RCD
ΔrH°122.kJ/molHPMSCastleman, Holland, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°91200.J/mol*KHPMSHoyau, Norrman, et al., 1999RCD
ΔrS°108.J/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
77.8298.IMREMcMahon and Ohanessian, 2000Anchor alanine=39.89; RCD

(Sodium ion (1+) • Ammonia) + Ammonia = (Sodium ion (1+) • 2Ammonia)

By formula: (Na+ • H3N) + H3N = (Na+ • 2H3N)

Quantity Value Units Method Reference Comment
ΔrH°93. ± 5.kJ/molAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
ΔrS°105.J/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

(Sodium ion (1+) • 2Ammonia) + Ammonia = (Sodium ion (1+) • 3Ammonia)

By formula: (Na+ • 2H3N) + H3N = (Na+ • 3H3N)

Quantity Value Units Method Reference Comment
ΔrH°71.5kJ/molHPMSCastleman, Holland, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°100.J/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

(Sodium ion (1+) • 3Ammonia) + Ammonia = (Sodium ion (1+) • 4Ammonia)

By formula: (Na+ • 3H3N) + H3N = (Na+ • 4H3N)

Quantity Value Units Method Reference Comment
ΔrH°61.5kJ/molHPMSCastleman, Holland, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°121.J/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

(Sodium ion (1+) • 4Ammonia) + Ammonia = (Sodium ion (1+) • 5Ammonia)

By formula: (Na+ • 4H3N) + H3N = (Na+ • 5H3N)

Quantity Value Units Method Reference Comment
ΔrH°44.8kJ/molHPMSCastleman, Holland, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°125.J/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

(Sodium ion (1+) • 5Ammonia) + Ammonia = (Sodium ion (1+) • 6Ammonia)

By formula: (Na+ • 5H3N) + H3N = (Na+ • 6H3N)

Quantity Value Units Method Reference Comment
ΔrH°41.kJ/molHPMSCastleman, Holland, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°124.J/mol*KHPMSCastleman, Holland, et al., 1978gas phase; M

Nickel ion (1+) + Ammonia = (Nickel ion (1+) • Ammonia)

By formula: Ni+ + H3N = (Ni+ • H3N)

Quantity Value Units Method Reference Comment
ΔrH°231. ± 16.kJ/molCIDTWalter and Armentrout, 1998RCD
ΔrH°214.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Nickel ion (1+) • Ammonia) + Ammonia = (Nickel ion (1+) • 2Ammonia)

By formula: (Ni+ • H3N) + H3N = (Ni+ • 2H3N)

Quantity Value Units Method Reference Comment
ΔrH°249. ± 13.kJ/molCIDTWalter and Armentrout, 1998RCD
ΔrH°231.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Nickel ion (1+) • 2Ammonia) + Ammonia = (Nickel ion (1+) • 3Ammonia)

By formula: (Ni+ • 2H3N) + H3N = (Ni+ • 3H3N)

Quantity Value Units Method Reference Comment
ΔrH°90.0 ± 7.9kJ/molCIDTWalter and Armentrout, 1998RCD
ΔrH°74.5kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Nickel ion (1+) • 3Ammonia) + Ammonia = (Nickel ion (1+) • 4Ammonia)

By formula: (Ni+ • 3H3N) + H3N = (Ni+ • 4H3N)

Quantity Value Units Method Reference Comment
ΔrH°37. ± 5.9kJ/molCIDTWalter and Armentrout, 1998RCD

Lead ion (1+) + Ammonia = (Lead ion (1+) • Ammonia)

By formula: Pb+ + H3N = (Pb+ • H3N)

Quantity Value Units Method Reference Comment
ΔrH°118.kJ/molHPMSGuo and Castleman, 1991gas phase; ΔrS from graph; M
Quantity Value Units Method Reference Comment
ΔrS°98.7J/mol*KHPMSGuo and Castleman, 1991gas phase; ΔrS from graph; M

(Lead ion (1+) • Ammonia) + Ammonia = (Lead ion (1+) • 2Ammonia)

By formula: (Pb+ • H3N) + H3N = (Pb+ • 2H3N)

Quantity Value Units Method Reference Comment
ΔrH°80.3kJ/molHPMSGuo and Castleman, 1991gas phase; ΔrS from graph; M
Quantity Value Units Method Reference Comment
ΔrS°113.J/mol*KHPMSGuo and Castleman, 1991gas phase; ΔrS from graph; M

(Lead ion (1+) • 2Ammonia) + Ammonia = (Lead ion (1+) • 3Ammonia)

By formula: (Pb+ • 2H3N) + H3N = (Pb+ • 3H3N)

Quantity Value Units Method Reference Comment
ΔrH°54.4kJ/molHPMSGuo and Castleman, 1991gas phase; ΔrS from graph; M
Quantity Value Units Method Reference Comment
ΔrS°89.5J/mol*KHPMSGuo and Castleman, 1991gas phase; ΔrS from graph; M

(Lead ion (1+) • 3Ammonia) + Ammonia = (Lead ion (1+) • 4Ammonia)

By formula: (Pb+ • 3H3N) + H3N = (Pb+ • 4H3N)

Quantity Value Units Method Reference Comment
ΔrH°44.8kJ/molHPMSGuo and Castleman, 1991gas phase; ΔrS from graph; M
Quantity Value Units Method Reference Comment
ΔrS°102.J/mol*KHPMSGuo and Castleman, 1991gas phase; ΔrS from graph; M

Rubidium ion (1+) + Ammonia = (Rubidium ion (1+) • Ammonia)

By formula: Rb+ + H3N = (Rb+ • H3N)

Quantity Value Units Method Reference Comment
ΔrH°78.2kJ/molHPMSCastleman, 1978gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°102.J/mol*KHPMSCastleman, 1978gas phase; M

(Rubidium ion (1+) • Ammonia) + Ammonia = (Rubidium ion (1+) • 2Ammonia)

By formula: (Rb+ • H3N) + H3N = (Rb+ • 2H3N)

Quantity Value Units Method Reference Comment
ΔrH°63.6kJ/molHPMSCastleman, 1978gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°98.7J/mol*KHPMSCastleman, 1978gas phase; M

(Rubidium ion (1+) • 2Ammonia) + Ammonia = (Rubidium ion (1+) • 3Ammonia)

By formula: (Rb+ • 2H3N) + H3N = (Rb+ • 3H3N)

Quantity Value Units Method Reference Comment
ΔrH°54.8kJ/molHPMSCastleman, 1978gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°105.J/mol*KHPMSCastleman, 1978gas phase; M

(Rubidium ion (1+) • 3Ammonia) + Ammonia = (Rubidium ion (1+) • 4Ammonia)

By formula: (Rb+ • 3H3N) + H3N = (Rb+ • 4H3N)

Quantity Value Units Method Reference Comment
ΔrH°47.7kJ/molHPMSCastleman, 1978gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°159.J/mol*KHPMSCastleman, 1978gas phase; M

(Rubidium ion (1+) • 4Ammonia) + Ammonia = (Rubidium ion (1+) • 5Ammonia)

By formula: (Rb+ • 4H3N) + H3N = (Rb+ • 5H3N)

Quantity Value Units Method Reference Comment
ΔrH°42.7kJ/molHPMSCastleman, 1978gas phase; M

Titanium ion (1+) + Ammonia = (Titanium ion (1+) • Ammonia)

By formula: Ti+ + H3N = (Ti+ • H3N)

Quantity Value Units Method Reference Comment
ΔrH°195. ± 7.1kJ/molCIDTWalter and Armentrout, 1998RCD

(Titanium ion (1+) • Ammonia) + Ammonia = (Titanium ion (1+) • 2Ammonia)

By formula: (Ti+ • H3N) + H3N = (Ti+ • 2H3N)

Quantity Value Units Method Reference Comment
ΔrH°175. ± 15.kJ/molCIDTWalter and Armentrout, 1998RCD

(Titanium ion (1+) • 2Ammonia) + Ammonia = (Titanium ion (1+) • 3Ammonia)

By formula: (Ti+ • 2H3N) + H3N = (Ti+ • 3H3N)

Quantity Value Units Method Reference Comment
ΔrH°176. ± 15.kJ/molCIDTWalter and Armentrout, 1998RCD

(Titanium ion (1+) • 3Ammonia) + Ammonia = (Titanium ion (1+) • 4Ammonia)

By formula: (Ti+ • 3H3N) + H3N = (Ti+ • 4H3N)

Quantity Value Units Method Reference Comment
ΔrH°156. ± 10.kJ/molCIDTWalter and Armentrout, 1998RCD

Vanadium ion (1+) + Ammonia = (Vanadium ion (1+) • Ammonia)

By formula: V+ + H3N = (V+ • H3N)

Quantity Value Units Method Reference Comment
ΔrH°190. ± 11.kJ/molCIDTWalter and Armentrout, 1998RCD
ΔrH°217.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Vanadium ion (1+) • Ammonia) + Ammonia = (Vanadium ion (1+) • 2Ammonia)

By formula: (V+ • H3N) + H3N = (V+ • 2H3N)

Quantity Value Units Method Reference Comment
ΔrH°164. ± 9.2kJ/molCIDTWalter and Armentrout, 1998RCD
ΔrH°188.kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Vanadium ion (1+) • 2Ammonia) + Ammonia = (Vanadium ion (1+) • 3Ammonia)

By formula: (V+ • 2H3N) + H3N = (V+ • 3H3N)

Quantity Value Units Method Reference Comment
ΔrH°104. ± 11.kJ/molCIDTWalter and Armentrout, 1998RCD
ΔrH°94.6kJ/molCIDMarinelli and Squires, 1989gas phase; M

(Vanadium ion (1+) • 3Ammonia) + Ammonia = (Vanadium ion (1+) • 4Ammonia)

By formula: (V+ • 3H3N) + H3N = (V+ • 4H3N)

Quantity Value Units Method Reference Comment
ΔrH°95. ± 11.kJ/molCIDTWalter and Armentrout, 1998RCD
ΔrH°78.2kJ/molCIDMarinelli and Squires, 1989gas phase; M

References

Go To: Top, Ion clustering data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

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Fehsenfeld and Ferguson, 1973 Fehsenfeld, F.C.; Ferguson, E.E., Thermal Energy Positive Ion Reactions in a Wet Atmosphere Containing Ammonia, J. Chem. Phys., 1973, 59, 12, 6272, https://doi.org/10.1063/1.1680006 . [all data]

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Andersen, Muntean, et al., 2000 Andersen, A.; Muntean, F.; Walter, D.; Rue, C.; Armentrout, P.B., Collision-Induced Dissociation and Theoretical Studies of Mg+ Complexes with CO, CO2, NH3, CH4, CH3OH, and C6H6, J. Phys. Chem. A, 2000, 104, 4, 692, https://doi.org/10.1021/jp993031t . [all data]

Hendricks, de Clercq, et al., 2002 Hendricks, J.H.; de Clercq, H.L.; Freidhoff, C.B.; Arnold, S.T.; Eaton, J.G.; Fancher, C.; Lyapustina, S.A.; S., Anion solvation at the microscopic level: Photoelectron spectroscopy of the solvated anion clusters, NO-(Y)(n), where Y=Ar, Kr, Xe, N2O, H2S, NH3, H2O, and C2H4(OH)(2), J. Chem. Phys., 2002, 116, 18, 7926-7938, https://doi.org/10.1063/1.1457444 . [all data]

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Notes

Go To: Top, Ion clustering data, References

  • Symbols used in this document:
    T Temperature
    ΔrG° Free energy of reaction at standard conditions
    ΔrH° Enthalpy of reaction at standard conditions
    ΔrS° Entropy of reaction at standard conditions
  • Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
  • The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
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