L-Glutamic acid

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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
Δfsolid-239.80 ± 0.28kcal/molCcrSakiyama and Seki, 1975ALS
Δfsolid-240.26 ± 0.29kcal/molCcbHuffman, Ellis, et al., 1936Reanalyzed by Cox and Pilcher, 1970, Original value = -241.30 kcal/mol; ALS
Quantity Value Units Method Reference Comment
Δcsolid-537.88 ± 0.22kcal/molCcrSakiyama and Seki, 1975ALS
Δcsolid-536.35 ± 0.18kcal/molCcbTsuzuki and Hunt, 1957Reanalyzed by Cox and Pilcher, 1970, Original value = -537.01 ± 0.18 kcal/mol; ALS
Δcsolid-537.41 ± 0.28kcal/molCcbHuffman, Ellis, et al., 1936Reanalyzed by Cox and Pilcher, 1970, Original value = -537.31 ± 0.28 kcal/mol; ALS
Δcsolid-538.58kcal/molCcbEmery and Benedict, 1911ALS
Δcsolid-543.91kcal/molCcbLemoult, 1904ALS
Quantity Value Units Method Reference Comment
solid,1 bar44.981cal/mol*KN/AHutchens, Cole, et al., 1963DH

Constant pressure heat capacity of solid

Cp,solid (cal/mol*K) Temperature (K) Reference Comment
41.845298.Sakiyama and Seki, 1975Cp given as 1.19 J/g*K.; DH
41.840298.15Hutchens, Cole, et al., 1963T = 10 to 310 K.; DH

Gas phase ion energetics 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
MM - Michael M. Meot-Ner (Mautner)

Quantity Value Units Method Reference Comment
Proton affinity (review)218.2kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity210.1kcal/molN/AHunter and Lias, 1998HL

Proton affinity at 298K

Proton affinity (kcal/mol) Reference Comment
234.7 ± 2.4Bouchoux, Buisson, et al., 2004MM

Gas basicity at 298K

Gas basicity (review) (kcal/mol) Reference Comment
220.0 ± 2.6Bouchoux, Buisson, et al., 2004MM

Protonation entropy at 298K

Protonation entropy (cal/mol*K) Reference Comment
-23. ± 3.8Bouchoux, Buisson, et al., 2004MM

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.

Sakiyama and Seki, 1975
Sakiyama, M.; Seki, S., Enthalpies of combustion of organic compounds. II. L- and D-glutamic acid, Bull. Chem. Soc. Jpn., 1975, 48, 2203-2204. [all data]

Huffman, Ellis, et al., 1936
Huffman, H.M.; Ellis, E.L.; Fox, S.W., Thermal data. VI. The heats of combustion and free energies of seven organic compounds containing nitrogen, J. Am. Chem. Soc., 1936, 58, 1728-1733. [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]

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]

Emery and Benedict, 1911
Emery, A.G.; Benedict, F.G., The heat of combustion of compounds of physiological importance, Am. J. Physiol., 1911, 28, 301-307. [all data]

Lemoult, 1904
Lemoult, M.P., Remarques sur une serie recenie de determinations calorimetriques, Compt. Rend., 1904, 663-635. [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]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Bouchoux, Buisson, et al., 2004
Bouchoux, G.; Buisson, D.A.; Colas, C.; Sablier, M., Protonation thermochemistry of alpha-amino acids bearing a basic residue, European J. Mass Spectrom., 2004, 10, 977. [all data]


Notes

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