Phthalazine
- Formula: C8H6N2
- Molecular weight: 130.1466
- IUPAC Standard InChIKey: LFSXCDWNBUNEEM-UHFFFAOYSA-N
- CAS Registry Number: 253-52-1
- 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. - Other names: Benzo[d]pyridazine; β-Phenodiazine; 2,3-Benzodiazine; 2,3-Diazanaphthalene
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Enthalpy of sublimation at standard conditions (nominally 298.15 K, 1 atm.)
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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:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
ΔsubH° (kJ/mol) | Method | Reference | Comment |
---|---|---|---|
81.1 ± 0.4 | C | Sabbah, Tabet, et al., 1998 | See also Sabbah and Pemenzi, 1993.; AC |
82.3 ± 2.3 | C | Ribeiro da Silva and Matos, 1995 | ALS |
82.3 | N/A | Ribeiro da Silva and Matos, 1995 | DRB |
82.3 ± 2.3 | C | da Silva, Matos, et al., 1995 | AC |
83.92 ± 0.68 | C | Hussein and Akasheh, 1985 | ALS |
84.0 | N/A | Hussein and Akasheh, 1985 | DRB |
References
Go To: Top, Enthalpy of sublimation at standard conditions (nominally 298.15 K, 1 atm.), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Sabbah, Tabet, et al., 1998
Sabbah, R.; Tabet, D.; Eusebio, M.E.S.,
Energetique des liaisons intramoleculaires dans les molecules de phtalazine, de quinazoline et de quinoxaline,
Thermochim. Acta, 1998, 315, 93-99. [all data]
Sabbah and Pemenzi, 1993
Sabbah, R.; Pemenzi, O.,
Energetics of intermolecular bonds in the three diazines: phthalazine, quinazoline and quinoxaline,
C. R. Acad. Sci. Paris, Ser. II, 1993, 317, 5, 575. [all data]
Ribeiro da Silva and Matos, 1995
Ribeiro da Silva, M.A.V.; Matos, M.A.R.,
Thermochemical and theoretical studies of some benzodiazines,
J. Chem. Soc. Faraday Trans., 1995, 91, 1907-1910. [all data]
da Silva, Matos, et al., 1995
da Silva, Manuel A.V. Ribeiro; Matos, M. Agostinha R.; Morais, Victor M.F.,
Thermochemical and theoretical studies of some benzodiazines,
Faraday Trans., 1995, 91, 13, 1907, https://doi.org/10.1039/ft9959101907
. [all data]
Hussein and Akasheh, 1985
Hussein, A.; Akasheh, T.S.,
Heat of combustion of heterocyclic compounds. Part II.,
Dirasat - Univ. Jordan, 1985, 12, 65-72. [all data]
Notes
Go To: Top, Enthalpy of sublimation at standard conditions (nominally 298.15 K, 1 atm.), References
- Symbols used in this document:
ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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