Enthalpies of combustion of 2,4,6-trimethylbenzonitrile, 2,4,6-trimethylbenzonitrile N-oxide, 2,6-dimethylbenzonitrile, 2,4,6-trimethoxybenzonitrile, and 2,4,6-trimethoxybenzonitrile N-oxide: the dissociation ethalpies of the (N-O) bonds
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Source and publish data:
Journal of Chemical Thermodynamics p. 31 - 36 (1991)
Update date:2022-08-11
Topics:
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Authors:
Acree, W. E.
Tucker, Sheryl A.
Zvaigzne, Anita I.
Meng-Yan, Yang
Pilcher, G.
Ribeiro da Silva, Maria D. M. C.
Article abstract of DOI:10.1016/S0021-9614(05)80055-2
The standard (pdeg = 0.1 MPa) molar enthalpies of combustion at 298.15 K were measured by static-bomb calorimetry and the standard molar enthalpies of sublimation at 298.15 K were measured by microcalorimetry for the following aromatic nitriles and aromatic nitrile N-oxides:
.From the standard molar enthalpies of formation of the gaseous compounds, the molar dissociation enthalpies of the (N-O) bonds were derived: D(N-O)/(kJ*mol-1): trimethylbenzonitrile N-oxide, (222.2 +/- 4.6); trimethoxybenzonitrile N-oxide, (232.8 +/- 3.8).
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Full text of DOI:10.1016/S0021-9614(05)80055-2
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