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On the heat of formation of [C 6 H 4 ] +˙
Author(s) -
Maccoll Allan,
Mathur Deepak
Publication year - 1981
Publication title -
organic mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.475
H-Index - 121
eISSN - 1096-9888
pISSN - 0030-493X
DOI - 10.1002/oms.1210160608
Subject(s) - benzonitrile , monochromator , ion , chemistry , analytical chemistry (journal) , atomic physics , materials science , physics , optics , medicinal chemistry , wavelength , organic chemistry , chromatography
The appearance energy of the [C 6 H 4 ] +˙ ion from benzonitrile has been measured, using an electron monochromator. The value observed at onset, 12.54±0.03 eV, leads to a heat of formation of 1304±3 kJ mol −1 . Possible reasons for widely divergent values reported previously are proposed.
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