Adenine, 9-methyl-
- Formula: C6H7N5
- Molecular weight: 149.1533
- IUPAC Standard InChI: InChI=1S/C6H7N5/c1-11-3-10-4-5(7)8-2-9-6(4)11/h2-3H,1H3,(H2,7,8,9)
- IUPAC Standard InChIKey: WRXCXOUDSPTXNX-UHFFFAOYSA-N
- CAS Registry Number: 700-00-5
- Chemical structure:
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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 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° | 120. | kJ/mol | V | Clark, Peschel, et al., 1965 | ALS |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 121.7 | 428. | HSA | Stephenson and Malanowski, 1987 | Based on data from 413. to 458. K. See also Clark, Peschel, et al., 1965, 2.; AC |
| 121.3 ± 4.6 | 381. to 411. | ME | Zielenkiewicz, Zielenkiewicz, et al., 1984 | AC |
References
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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]
Notes
Go To: Top, Phase change 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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