Adenine, 9-methyl-
- Formula: C6H7N5
- Molecular weight: 149.1533
- IUPAC Standard InChIKey: WRXCXOUDSPTXNX-UHFFFAOYSA-N
- CAS Registry Number: 700-00-5
- Chemical structure:
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Phase change data
Go To: Top, Gas phase ion energetics data, 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔsubH° | 29. | kcal/mol | V | Clark, Peschel, et al., 1965 | ALS |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
29.09 | 428. | HSA | Stephenson and Malanowski, 1987 | Based on data from 413. to 458. K. See also Clark, Peschel, et al., 1965, 2.; AC |
29.0 ± 1.1 | 381. to 411. | ME | Zielenkiewicz, Zielenkiewicz, et al., 1984 | AC |
Gas phase ion energetics data
Go To: Top, Phase change data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.9 ± 0.1 | EI | Verkin, Sukodub, et al., 1976 | |
8.39 | PE | Lin, Yu, et al., 1980 | Vertical value |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Clark, Peschel, et al., 1965
Clark, L.B.; Peschel, G.G.; Tinoco, I., Jr.,
Vapor spectra and heats of vaporization of some purine and pyrmidine bases,
J. Phys. Chem., 1965, 69, 3615. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Clark, Peschel, et al., 1965, 2
Clark, L.B.; Peschel, G.G.; Tinoco, I., Jr.,
Vapor spectra and heats of vaporization of some purine and pyrimidine bases,
Not In System, 1965, 3615-3618. [all data]
Zielenkiewicz, Zielenkiewicz, et al., 1984
Zielenkiewicz, A.; Zielenkiewicz, W.; Sukhodub, L.F.; Glukhova, O.T.; Tepitsky, A.B.; Wierzchowski, K.L.,
Thermochemistry of aqueous solutions of alkylated nucleic acid bases. v. Enthalpies of hydration of N-methylated adenines,
J. Solution Chem., 1984, 13, 757-765. [all data]
Verkin, Sukodub, et al., 1976
Verkin, B.I.; Sukodub, L.F.; Yanson, I.K.,
Ionization potentials of nitrogenous bases of of nucleic acids,
Dokl. Akad. Nauk SSSR, 1976, 228, 1452. [all data]
Lin, Yu, et al., 1980
Lin, J.; Yu, C.; Peng, S.; Akiyama, I.; Li, K.; Lee, L.K.; LeBreton, P.R.,
Ultraviolet photoelectron studies of the ground-state electronic structure and gas-phase tautomerism of purine and adenine,
J. Am. Chem. Soc., 1980, 102, 4627. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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