dl-Proline


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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δcsolid-2729.6 ± 0.54kJ/molCcbPonomarev and Migarskaya, 1960Reanalyzed by Cox and Pilcher, 1970, Original value = -2728.9 ± 0.1 kJ/mol

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 as indicated in comments:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
RCD - Robert C. Dunbar

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

C5H10NO2+ + dl-Proline = (C5H10NO2+ • dl-Proline)

By formula: C5H10NO2+ + C5H9NO2 = (C5H10NO2+ • C5H9NO2)

Quantity Value Units Method Reference Comment
Δr120.kJ/molPHPMSMeot-Ner, Hunter, et al., 1979gas phase; M
Δr84.kJ/molPHPMSMeot-Ner and Field, 1974gas phase; M
Quantity Value Units Method Reference Comment
Δr130.J/mol*KPHPMSMeot-Ner, Hunter, et al., 1979gas phase; M

Sodium ion (1+) + dl-Proline = (Sodium ion (1+) • dl-Proline)

By formula: Na+ + C5H9NO2 = (Na+ • C5H9NO2)

Quantity Value Units Method Reference Comment
Δr175. ± 13.kJ/molIMREGapeev and Dunbar, 2003Anchor glycine=38.5+-2.3; RCD
Δr196.kJ/molCIDCKish, Ohanessian, et al., 2003Anchor alanine=39.89; RCD

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 as indicated in comments:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
RCD - 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

C5H10NO2+ + dl-Proline = (C5H10NO2+ • dl-Proline)

By formula: C5H10NO2+ + C5H9NO2 = (C5H10NO2+ • C5H9NO2)

Quantity Value Units Method Reference Comment
Δr120.kJ/molPHPMSMeot-Ner, Hunter, et al., 1979gas phase; M
Δr84.kJ/molPHPMSMeot-Ner and Field, 1974gas phase; M
Quantity Value Units Method Reference Comment
Δr130.J/mol*KPHPMSMeot-Ner, Hunter, et al., 1979gas phase; M

Sodium ion (1+) + dl-Proline = (Sodium ion (1+) • dl-Proline)

By formula: Na+ + C5H9NO2 = (Na+ • C5H9NO2)

Quantity Value Units Method Reference Comment
Δr175. ± 13.kJ/molIMREGapeev and Dunbar, 2003Anchor glycine=38.5+-2.3; RCD
Δr196.kJ/molCIDCKish, Ohanessian, et al., 2003Anchor alanine=39.89; RCD

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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Mass 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-1169
NIST MS number 229688

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References

Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Ion clustering 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.

Ponomarev and Migarskaya, 1960
Ponomarev, V.V.; Migarskaya, L.B., Heats of combustion of some amino-acids, Russ. J. Phys. Chem. (Engl. Transl.), 1960, 34, 1182-1183. [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]

Meot-Ner, Hunter, et al., 1979
Meot-Ner, (Mautner); Hunter, E.P.; Field, F.H., Ion Thermochemistry of Low Volatility Compounds in the Gas Phase. I. Intrinsic Basicities of Alpha - Amino Acids, J. Am. Chem. Soc., 1979, 101, 3, 686, https://doi.org/10.1021/ja00497a034 . [all data]

Meot-Ner and Field, 1974
Meot-Ner, (Mautner); Field, F.H., Solvation and Association of Protonated Gaseous Amino Acids, J. Am. Chem. Soc., 1974, 96, 10, 3168, https://doi.org/10.1021/ja00817a024 . [all data]

Gapeev and Dunbar, 2003
Gapeev, A.; Dunbar, R.C., Na+ Affinities of Gas-Phase Amino Acids by Ligand Exchange Equilibrium, Int. J. Mass Spectrom., 2003, 228, 2-3, 825, https://doi.org/10.1016/S1387-3806(03)00242-2 . [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

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