D-Ribose - The NIST WebBook

D-Ribose

• Formula: C5H10O5
• Molecular weight: 150.1299
• IUPAC Standard InChI: InChI=1S/C5H10O5/c6-1-3(8)5(10)4(9)2-7/h1,3-5,7-10H,2H2/t3-,4+,5-/m0/s1 Copy
• IUPAC Standard InChIKey: PYMYPHUHKUWMLA-LMVFSUKVSA-N Copy
• CAS Registry Number: 50-69-1
• Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file View 3d structure (requires JavaScript / HTML 5)
• Stereoisomers:
  • d-Arabinose
  • xylose
  • Arabinose(D)
  • Xylose
  • L-Arabinose
• Other names: Ribose, D-; Ribose
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Comments:
  • Although only a single structure is shown, this species may exist in several forms including a linear molecule, a five membered ring and a six membered ring.
• Information on this page:
  • Condensed phase thermochemistry data
  • References
  • Notes
• Other data available:
  • Reaction thermochemistry data
  • Ion clustering data
  • Mass spectrum (electron ionization)
• Options:
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• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

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Condensed phase thermochemistry data

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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: ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity	Value	Units	Method	Reference	Comment
ΔfH°solid	-1049.1 ± 1.1	kJ/mol	Ccb	Gubareva, Kunderenko, et al., 1991	ALS
ΔfH°solid	-1047.2 ± 1.7	kJ/mol	Ccr	Colbert, Domalski, et al., 1987	ALS
ΔfH°solid	-1050.9 ± 0.71	kJ/mol	Ccb	Desai and Wilhoit, 1970	ALS
Quantity	Value	Units	Method	Reference	Comment
ΔcH°solid	-2347.59 ± 0.91	kJ/mol	Ccb	Gubareva, Kunderenko, et al., 1991	Corresponding ΔfHºsolid = -1049.11 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
ΔcH°solid	-2349.47 ± 0.95	kJ/mol	Ccr	Colbert, Domalski, et al., 1987	Corresponding ΔfHºsolid = -1047.23 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
ΔcH°solid	-2345.8 ± 0.63	kJ/mol	Ccb	Desai and Wilhoit, 1970	Corresponding ΔfHºsolid = -1050.9 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
ΔcH°solid	-2334.2 ± 4.6	kJ/mol	Ccb	Stroh and Fincke, 1963	Corresponding ΔfHºsolid = -1062.5 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of solid

Cp,solid (J/mol*K)	Temperature (K)	Reference	Comment
187.	303.	Kawaizumi, Kushida, et al., 1981	T = 300 to 315 K.; DH

References

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

Gubareva, Kunderenko, et al., 1991 Gubareva, A.; Kunderenko, V.M.; Gerasimov, P.A., Enthalpy of combustion and formation of d-ribose and d-ribono-γ-lactone, Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 1991, 34, 41-45. [all data]

Colbert, Domalski, et al., 1987 Colbert, J.C.; Domalski, E.S.; Coxon, B., Enthalpies of combustion of d-ribose and 2-deoxy-d-ribose, J. Chem. Thermodyn., 1987, 19, 433-441. [all data]

Desai and Wilhoit, 1970 Desai, P.; Wilhoit, R.C., Heats of combustion and enthalpies of formation of D-ribose, D-arabinose, and L-ascorbic acid, Thermochim. Acta, 1970, 1, 61-64. [all data]

Stroh and Fincke, 1963 Stroh, H.H.; Fincke, C.R., Beobachtung ciner unterschidlichen hydrierbarkeit von n-substituiertten aziridin-derivaten, Z. Chem., 1963, 3, 265-266. [all data]

Kawaizumi, Kushida, et al., 1981 Kawaizumi, F.; Kushida, S.; Miyahara, Y., Determination of the specific heat capacities of aqueous solutions of pentose, Bull. Chem. Soc. Japan, 1981, 54(8), 2282-2285. [all data]

Notes

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• Symbols used in this document:

  Cp,solid	Constant pressure heat capacity of solid
  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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