Glycine

• Formula: C₂H₅NO₂
• Molecular weight: 75.0666
• IUPAC Standard InChI: InChI=1S/C2H5NO2/c3-1-2(4)5/h1,3H2,(H,4,5) Copy

  
• IUPAC Standard InChIKey: DHMQDGOQFOQNFH-UHFFFAOYSA-N Copy
• CAS Registry Number: 56-40-6
• Chemical structure:
  This structure is also available as a 2d Mol file
• Species with the same structure:
  • alpha-glycine
• Other names: Acetic acid, amino-; Aciport; Aminoacetic acid; Aminoethanoic acid; Glicoamin; Glycocoll; Glycolixir; Glycosthene; Padil; NH2CH2COOH; Amitone; Glycine, non-medical; Hampshire glycine; Athenon; Gly; Glycine, free base; Gyn-hydralin; 2-Aminoacetic acid; NSC 25936; Corilin (Salt/Mix)
• Information on this page:
  • Condensed phase thermochemistry data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • Ion clustering data
• Data at other public NIST sites:
  • X-ray Photoelectron Spectroscopy Database, version 5.0
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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

Constant pressure heat capacity of solid

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• Not specified, most likely a prism, grating, or hybrid spectrometer.; (NO SPECTRUM, ONLY SCANNED IMAGE IS AVAILABLE)
• SOLID (MULL, KBr DISC) $$INACTIVE KBr PLATES AROUND 300-200 CM^-1; PERKIN-ELMER 521 (GRATING); DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm^-1 resolution

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

UV/Visible spectrum

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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: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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Additional Data

References

Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Notes

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

Vasil'ev, Borodin, et al., 1991
Vasil'ev, V.P.; Borodin, V.A.; Kopnyshev, S.B., Calculation of the standard enthalpies of combustion and of formation of crystalline organic acids and complexones from the energy contributions of atomic groups, Russ. J. Phys. Chem. (Engl. Transl.), 1991, 65, 29-32. [all data]

Ngauv, Sabbah, et al., 1977
Ngauv, S.N.; Sabbah, R.; Laffitte, M., Thermodynamique de composes azotes. III. Etude thermochimique de la glycine et de la l-α-alanine, Thermochim. Acta, 1977, 20, 371-380. [all data]

Hutchens, Cole, et al., 1963
Hutchens, J.O.; Cole, A.G.; Stout, J.W., Heat capacities from 11 to 305°K., entropies, and free energies of formation of L-valine, L-isoleucine, and L-leucine, J. Phys. Chem., 1963, 67, 1128-1130. [all data]

Huffman, Fox, et al., 1937
Huffman, H.M.; Fox, S.W.; Ellis, E.L., Thermal data. VII. The heats of combustion of seven amino acids, J. Am. Chem. Soc., 1937, 59, 2144-21. [all data]

Hutchens, Cole, et al., 1960
Hutchens, J.O.; Cole, A.G.; Stout, J.W., Heat capacities from 11 to 305K. and entropies of L-alanine and glycine, J. Am. Chem. Soc., 1960, 82, 4813-4815. [all data]

Parks, Huffman, et al., 1933
Parks, G.S.; Huffman, H.M.; Barmore, M., Thermal data on organic compounds. XI. The heat capacities, entropies and free energies of ten compounds containing oxygen or nitrogen. J. Am. Chem. Soc., 1933, 55, 2733-2740. [all data]

Badelin, Kulikov, et al., 1990
Badelin, V.G.; Kulikov, O.V.; Batagin, V.S.; Udzig, E.; Zielenkiewicz, A.; Zielenkiewicz, W.; Krestov, G.A., Physico-chemical properties of peptides and their solutions, Thermochim. Acta, 1990, 169, 81-93. [all data]

Kulikov, Kozlov, et al., 1989
Kulikov, O.V.; Kozlov, V.A.; Malenkina, L.I.; Badelin, V.G., Heat capacities of amino acids and peptides and excess characteristics ot their aqueous solutions, Sbornik Nauch. Trud., Termodin. Rast. neelect., Ivanovo, Inst. nevod. rast., 1989, Akad. [all data]

Spink and Wads, 1975
Spink, C.H.; Wads, I., Thermochemistry of solutions of biochemical model compounds. 4. The partial molar heat capacities of some amino acids in aqueous solution, J. Chem. Thermodynam., 1975, 7, 561-572. [all data]

Pestemer and Alslev-Klinker, 1949
Pestemer, M.; Alslev-Klinker, A., Z. Elektrochem, 1949, 53, 387. [all data]

Notes

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• Symbols used in this document:
  

  Cp,solid	Constant pressure heat capacity of solid
  S°solid,1 bar	Entropy of solid at standard conditions (1 bar)
  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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