L-Glutamine

• Formula: C₅H₁₀N₂O₃
• Molecular weight: 146.1445
• IUPAC Standard InChI: InChI=1S/C5H10N2O3/c6-3(5(9)10)1-2-4(7)8/h3H,1-2,6H2,(H2,7,8)(H,9,10)/t3-/m1/s1 Copy

  
• IUPAC Standard InChIKey: ZDXPYRJPNDTMRX-GSVOUGTGSA-N Copy
• CAS Registry Number: 56-85-9
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Levoglutamide; γ-Glutamine; Cebrogen; Glumin; Glutamic acid amide; Glutamic acid 5-amide; Glutamine; L-Glutamic acid γ-amide; L-Glutamid; L-Glutamide; L-2-Aminoglutaramidic acid; Miglu-P; Pentanoic acid, 2,5-diamino-5-oxo-, (S)-; Stimulina; 2-Aminoglutaramic acid; Levoglutamid; L-(+)-glutamine; (S)-2,5-Diamino-5-oxopentanoic acid; Glumin (amino acid); NSC 27421; Saforis; Glutamine, L-
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Condensed phase thermochemistry data
  • Ion clustering data
  • References
  • Notes
• Other data available:
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
• Options:
  • Switch to calorie-based units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Condensed phase thermochemistry data

Go To: Top, Ion clustering data, 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:
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

Ion clustering data

Go To: Top, Condensed phase thermochemistry data, References, Notes

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

Data compiled by: 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

 +  = ( • )

By formula: Na⁺ + C₅H₁₀N₂O₃ = (Na⁺ • C₅H₁₀N₂O₃)

References

Go To: Top, Condensed phase thermochemistry data, Ion clustering data, Notes

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

Tsuzuki and Hunt, 1957
Tsuzuki, T.; Hunt, H., Heats of combustion. VI. The heats of combustion of some amino acids, J. Phys. Chem., 1957, 61, 1668. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Hutchens, Cole, et al., 1963
Hutchens, J.O.; Cole, A.G.; Robie, R.A.; Stout, J.W., Heat capacities from 11 to 305 K, entropies, and free energies of formation of L-aspartic acid, L-glutamic acid, and L-glutamine, J. Biol. Chem., 1963, 238, 2407-2412. [all data]

Kish, Ohanessian, et al., 2003
Kish, M.M.; Ohanessian, G.; Wesdemiotis, C., The Na+ affinities of a-amino acids: side-chain substituent effects, Int. J. Mass Spectrom., 2003, 227, 3, 509, https://doi.org/10.1016/S1387-3806(03)00082-4 . [all data]

Notes

Go To: Top, Condensed phase thermochemistry data, Ion clustering data, References

• 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
  ΔrH°	Enthalpy 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.
• Customer support for NIST Standard Reference Data products.