4-Amino-2-hydroxy-1-methylpyrimidine

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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: William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δsub149.1 ± 9.0kJ/molN/ABurkinshaw and Mortimer, 1984 

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
141.2 ± 0.6455. to 487.GSZielenkiewicz, Wszelaka-Rylik, et al., 1998 
141.8 ± 8.8433.MEBurkinshaw and Mortimer, 1984Based on data from 423. to 443. K.

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 compiled by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV) Method Reference Comment
9.5 ± 0.1EIVerkin, Sukodub, et al., 1976 
8.65PEYu, Peng, et al., 1978Vertical value

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.

Burkinshaw and Mortimer, 1984
Burkinshaw, Philip M.; Mortimer, Colin T., Enthalpies of sublimation of transition metal complexes, J. Chem. Soc., Dalton Trans., 1984, 1, 75, https://doi.org/10.1039/dt9840000075 . [all data]

Zielenkiewicz, Wszelaka-Rylik, et al., 1998
Zielenkiewicz, A.; Wszelaka-Rylik, M.; Poznanski, J.; Zielenkiewicz, W., Journal of Solution Chemistry, 1998, 27, 3, 235-243, https://doi.org/10.1023/A:1022636218154 . [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]

Yu, Peng, et al., 1978
Yu, C.; Peng, S.; Akiyama, I.; Lin, J.; LeBreton, P.R., Ultraviolet photoelectron studies of biological pyrimidines. The valence electronic structure of cytosine, J. Am. Chem. Soc., 1978, 100, 2303. [all data]


Notes

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