DL-Valine
- Formula: C5H11NO2
- Molecular weight: 117.1463
- IUPAC Standard InChIKey: KZSNJWFQEVHDMF-UHFFFAOYSA-N
- CAS Registry Number: 516-06-3
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Stereoisomers:
- Other names: Valine, DL-; DL-α-Aminoisovaleric acid; DL-Val; Valine; 2-Amino-3-methylbutanoic acid, DL-; NSC 9755
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Options:
Reaction thermochemistry data
Go To: Top, Ion clustering data, UV/Visible spectrum, References, Notes
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:
RCD - Robert C. Dunbar
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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
By formula: Na+ + C5H11NO2 = (Na+ • C5H11NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 173. ± 13. | kJ/mol | IMRE | Gapeev and Dunbar, 2003 | Anchor glycine=38.5+-2.1; RCD |
ΔrH° | 173. | kJ/mol | CIDC | Kish, Ohanessian, et al., 2003 | Anchor alanine=39.89; RCD |
By formula: C5H10NO2+ + C5H11NO2 = (C5H10NO2+ • C5H11NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 87.9 | kJ/mol | PHPMS | Meot-Ner and Field, 1974 | gas phase; M |
By formula: C5H12NO2+ + C5H11NO2 = (C5H12NO2+ • C5H11NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 86.6 | kJ/mol | PHPMS | Meot-Ner and Field, 1974 | gas phase; M |
Ion clustering data
Go To: Top, Reaction thermochemistry data, UV/Visible spectrum, References, Notes
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
By formula: C5H10NO2+ + C5H11NO2 = (C5H10NO2+ • C5H11NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 87.9 | kJ/mol | PHPMS | Meot-Ner and Field, 1974 | gas phase; M |
By formula: C5H12NO2+ + C5H11NO2 = (C5H12NO2+ • C5H11NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 86.6 | kJ/mol | PHPMS | Meot-Ner and Field, 1974 | gas phase; M |
By formula: Na+ + C5H11NO2 = (Na+ • C5H11NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 173. ± 13. | kJ/mol | IMRE | Gapeev and Dunbar, 2003 | Anchor glycine=38.5+-2.1; RCD |
ΔrH° | 173. | kJ/mol | CIDC | Kish, Ohanessian, et al., 2003 | Anchor alanine=39.89; RCD |
UV/Visible spectrum
Go To: Top, Reaction thermochemistry data, Ion clustering data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Spectrum
Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.
Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
View spectrum image in SVG format.
Download spectrum in JCAMP-DX format.
Source | Saidel 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. 11272 |
Instrument | Beckman DU |
Melting point | 298 dec |
Boiling point | sub |
References
Go To: Top, Reaction thermochemistry data, Ion clustering data, UV/Visible spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
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]
Saidel and Waldman, 1952
Saidel, L.J.; Waldman, S.,
J. Biol. Chem., 1952, 197, 285. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Ion clustering data, UV/Visible spectrum, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.