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DL-Phenylalanine


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
Deltafsolid-460.6 ± 2.6kJ/molCcbBreitenbach, Derkosch, et al., 1952Reanalyzed by Cox and Pilcher, 1970, Original value = -459.0 kJ/mol
Quantity Value Units Method Reference Comment
Deltacsolid-4653.0 ± 2.5kJ/molCcbBreitenbach, Derkosch, et al., 1952Reanalyzed by Cox and Pilcher, 1970, Original value = -4653.9 kJ/mol
Deltacsolid-4664.3kJ/molCcbFischer and Wrede, 1904Heat of combustion corrected for pressure

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-Phenylalanine = (Sodium ion (1+) bullet DL-Phenylalanine)

By formula: Na+ + C9H11NO2 = (Na+ bullet C9H11NO2)

Quantity Value Units Method Reference Comment
Deltar198. ± 13.kJ/molIMREGapeev and Dunbar, 2003Anchor glycine=38.5+-2.5
Deltar198.kJ/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 Japan AIST/NIMC Database- Spectrum MS-NW- 741
NIST MS number 229437

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


References

Go To: Top, Condensed phase thermochemistry 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.

Breitenbach, Derkosch, et al., 1952
Breitenbach, J.W.; Derkosch, J.; Wessely, F., Energetik der bildung hochmolekularer polypeptide, Monatsh. Chem., 1952, 83, 591. [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]

Fischer and Wrede, 1904
Fischer, E.; Wrede, F., Uber die Verbrennungswarme einiger organischer Verbindungen, Sitzungsber. Dtsch. Akad. Wiss. Berlin Kl. Math. Phys. Tech., 1904, 687-715. [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

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