dl-Proline


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

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Individual Reactions

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

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

Quantity Value Units Method Reference Comment
Δr29.kcal/molPHPMSMeot-Ner, Hunter, et al., 1979gas phase; M
Δr20.kcal/molPHPMSMeot-Ner and Field, 1974gas phase; M
Quantity Value Units Method Reference Comment
Δr32.cal/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
Δr41.8 ± 3.0kcal/molIMREGapeev and Dunbar, 2003Anchor glycine=38.5+-2.3; RCD
Δr46.8kcal/molCIDCKish, Ohanessian, et al., 2003Anchor alanine=39.89; RCD

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.

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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