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Proline

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltafgas-366.2 ± 4.0kJ/molCcbSabbah and Laffitte, 1978see Sabbath and Laffitte, 1978

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
Deltafsolid-507.6 ± 2.6kJ/molCcbVasilev, Borodin, et al., 1989Uc =-2744.77 kJ/mol; ALS
Deltafsolid-515.18 ± 0.52kJ/molCcbSabbath and Laffitte, 1978ALS
Quantity Value Units Method Reference Comment
Deltacsolid-2746.2 ± 2.5kJ/molCcbVasilev, Borodin, et al., 1989Uc =-2744.77 kJ/mol; ALS
Deltacsolid-2738.6 ± 0.4kJ/molCcbSabbath and Laffitte, 1978ALS
Quantity Value Units Method Reference Comment
solid,1 bar164.06J/mol*KN/ACole, Hutchens, et al., 1963DH
solid,1 bar170.7J/mol*KN/AHuffman and Fox, 1940Extrapolation below 90 K, 56.07 J/mol*K.; DH

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
150.4298.15Spink and Wads, 1975DH
151.17298.15Cole, Hutchens, et al., 1963T = 11 to 305 K.; DH
149.12300.4Huffman and Fox, 1940T = 90 to 298 K. Value is unsmoothed experimental datum.; DH

Phase change 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
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Deltasub149. ± 2.kJ/molCSabbah and Laffitte, 1978see Sabbath and Laffitte, 1978; ALS

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
127. ± 1.406.TE,MEde Kruif, Voogd, et al., 1979Based on data from 396. - 416. K.; AC
149. ± 4.400.CSabbah and Laffite, 1978Based on data from 380. - 420. K.; AC
96.7 ± 0.8455.VSvec and Clyde, 1965ALS

Reaction 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 by: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C5H8NO2- + Hydrogen cation = Proline

By formula: C5H8NO2- + H+ = C5H9NO2

Quantity Value Units Method Reference Comment
Deltar1423. ± 13.kJ/molG+TSO'Hair, Bowie, et al., 1992gas phase
Deltar1431. ± 9.2kJ/molCIDCJones, Bernier, et al., 2007gas phase
Quantity Value Units Method Reference Comment
Deltar1395. ± 13.kJ/molCIDCO'Hair, Bowie, et al., 1992gas phase

Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW-2505
NIST MS number 228120

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), Notes

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

Sabbah and Laffitte, 1978
Sabbah, R.; Laffitte, M., Thermodynamique de composes azotes. IV. Etude thermochimique de la sarcosine et de la L-proline, Bull. Soc. Chim. Fr., 1978, 1, 50-52. [all data]

Sabbath and Laffitte, 1978
Sabbath, R.; Laffitte, M., Enthalpy of formation of solid L-proline, J. Chem. Thermodyn., 1978, 10, 101-102. [all data]

Vasilev, Borodin, et al., 1989
Vasilev, V.P.; Borodin, V.A.; Kopnyshev, S.B., Standard enthalpies of formation of L-histidine and L-proline, Russ. J. Phys. Chem. (Engl. Transl.), 1989, 63, 891-892. [all data]

Cole, Hutchens, et al., 1963
Cole, A.G.; Hutchens, J.O.; Stout, J.W., Heat capacities from 11 to 305°K. and entropies of L-phenylalanine, L-proline, L-tryptophane, and L-tyrosine. Some free energies of formation, J. Phys. Chem., 1963, 67, 1852-1855. [all data]

Huffman and Fox, 1940
Huffman, H.M.; Fox, S.W., Thermal data. XIII. The heat capacities and entropies of creatine hydrate, DL-citrulline, DL-ornithine, L-proline and taurine, J. Am. Chem. Soc., 1940, 62, 3464-3465. [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]

de Kruif, Voogd, et al., 1979
de Kruif, C.G.; Voogd, J.; Offringa, J.C.A., Enthalpies of sublimation and vapour pressures of 14 amino acids and peptides, The Journal of Chemical Thermodynamics, 1979, 11, 7, 651-656, https://doi.org/10.1016/0021-9614(79)90030-2 . [all data]

Sabbah and Laffite, 1978
Sabbah, R.; Laffite, M., Bull. Soc. Chim. Fr., 1978, 1, 50. [all data]

Svec and Clyde, 1965
Svec, H.J.; Clyde, D.D., Vapor pressures of some «alpha»-amino acids, J. Chem. Eng. Data, 1965, 10, 151. [all data]

O'Hair, Bowie, et al., 1992
O'Hair, R.J.; Bowie, J.H.; Gronert, S., Gas Phase Acidity of the alpha-Amino Acids, Int. J. Mass Spectrom. Ion Proc., 1992, 117, 23, https://doi.org/10.1016/0168-1176(92)80083-D . [all data]

Jones, Bernier, et al., 2007
Jones, C.M.; Bernier, M.; Carson, E.; Colyer, K.E.; Metz, R.; Pawlow, A.; Wischow, E.D.; Webb, I.; Andriole, E.J.; Poutsma, J.C., Gas-phase Acities of the 20 Protein Amino Acids, Int. J. Mass Spectrom., 2007, 267, 1-3, 54-62, https://doi.org/10.1016/j.ijms.2007.02.018 . [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References