Arginine

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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 by: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

Quantity Value Units Method Reference Comment
Tfus533.KN/AKofler and Sitte, 1950Uncertainty assigned by TRC = 3. K; with "hot stage"
Tfus498.KN/AKofler and Sitte, 1950Uncertainty assigned by TRC = 15. K; under a microscope

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


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:
B - John E. Bartmess
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

C6H13N4O2- + Hydrogen cation = Arginine

By formula: C6H13N4O2- + H+ = C6H14N4O2

Quantity Value Units Method Reference Comment
Δr330.1 ± 2.2kcal/molCIDCJones, Bernier, et al., 2007gas phase; B
Δr331.7 ± 3.1kcal/molG+TSO'Hair, Bowie, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr323.2 ± 2.3kcal/molH-TSJones, Bernier, et al., 2007gas phase; B
Δr324.9 ± 3.0kcal/molCIDCO'Hair, Bowie, et al., 1992gas phase; B

Sodium ion (1+) + Arginine = (Sodium ion (1+) • Arginine)

By formula: Na+ + C6H14N4O2 = (Na+ • C6H14N4O2)

Quantity Value Units Method Reference Comment
Δr>53.7kcal/molCIDCKish, Ohanessian, et al., 2003Anchor alanine=39.89; RCD

Gas phase ion energetics 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
MM - Michael M. Meot-Ner (Mautner)

Quantity Value Units Method Reference Comment
Proton affinity (review)251.20kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity240.58kcal/molN/AHunter and Lias, 1998HL

Proton affinity at 298K

Proton affinity (kcal/mol) Reference Comment
>236.3Bojesen and Breindahl, 1994PA increased by 3.5 kcal/mol for referencing values to Hunter and Lias, 1998; MM

De-protonation reactions

C6H13N4O2- + Hydrogen cation = Arginine

By formula: C6H13N4O2- + H+ = C6H14N4O2

Quantity Value Units Method Reference Comment
Δr330.1 ± 2.2kcal/molCIDCJones, Bernier, et al., 2007gas phase; B
Δr331.7 ± 3.1kcal/molG+TSO'Hair, Bowie, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr323.2 ± 2.3kcal/molH-TSJones, Bernier, et al., 2007gas phase; B
Δr324.9 ± 3.0kcal/molCIDCO'Hair, Bowie, et al., 1992gas phase; B

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+) + Arginine = (Sodium ion (1+) • Arginine)

By formula: Na+ + C6H14N4O2 = (Na+ • C6H14N4O2)

Quantity Value Units Method Reference Comment
Δr>53.7kcal/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 154822

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References

Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics 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.

Kofler and Sitte, 1950
Kofler, L.; Sitte, H., Melting Point Determination of Substances with Melt with Decomposition, Monatsh. Chem., 1950, 81, 619. [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]

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]

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]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Bojesen and Breindahl, 1994
Bojesen, G.; Breindahl, T., On the Proton Affinity od Some Alpha-Amino Acids and the Theory of the Kinetic Method., J. Chem. Soc. Perkin 2, 1994, 1029. [all data]


Notes

Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), References