dl-Threonine


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-502.27 ± 0.10kcal/molCcbPonomarev and Migarskaya, 1960Reanalyzed by Cox and Pilcher, 1970, Original value = -502.44 ± 0.02 kcal/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 by: 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

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

By formula: Na+ + C4H9NO3 = (Na+ • C4H9NO3)

Quantity Value Units Method Reference Comment
Δr47.1kcal/molCIDCKish, Ohanessian, et al., 2003Anchor alanine=39.89

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 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

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

By formula: Na+ + C4H9NO3 = (Na+ • C4H9NO3)

Quantity Value Units Method Reference Comment
Δr47.1kcal/molCIDCKish, Ohanessian, et al., 2003Anchor alanine=39.89

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 Chemical Concepts
NIST MS number 197780

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UV/Visible spectrum

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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: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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UVVis spectrum
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Additional Data

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Source Seidel and Waldman, 1952
Owner INEP CP RAS, NIST OSRD
Collection (C) 2007 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS
Source reference RAS UV No. 10658
Instrument Beckman DU
Melting point 244 dec

References

Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Ion clustering data, Mass spectrum (electron ionization), UV/Visible spectrum, 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]

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]

Seidel and Waldman, 1952
Seidel, L.J.; Waldman, S., J. Biol. Chem., 1952, 197, 285. [all data]


Notes

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