H2O..H2NCOCH2CH2CH(NH2)CO2 Anion - The NIST WebBook

H2O..H2NCOCH2CH2CH(NH2)CO2 anion

• Formula: C5H11N2O4-
• Molecular weight: 163.1524
• Information on this page:
  • Ion clustering data
  • References
  • Notes
• Other data available:
  • Reaction thermochemistry data
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Ion clustering 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 by: John E. Bartmess

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Clustering reactions

C5H9N2O3- + = C5H11N2O4-

By formula: C5H9N2O3- + H2O = C5H11N2O4-

Quantity	Value	Units	Method	Reference	Comment
ΔrH°	60.2 ± 1.7	kJ/mol	N/A	Wincel, 2008	gas phase
Quantity	Value	Units	Method	Reference	Comment
ΔrG°	22.6 ± 3.3	kJ/mol	TDAs	Wincel, 2008	gas phase

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.

Wincel, 2008 Wincel, H., Hydration energies of deprotonated amino acids from gas phase equilibria measurements, J. Am. Soc. Mass Spectrom., 2008, 19, 8, 1091-1097, https://doi.org/10.1016/j.jasms.2008.05.014 . [all data]

Notes

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• Symbols used in this document:

  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

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