Determination of the atomization energies of the molecules CSe(g) and CSe2(g) by the mass spectrometric Knudsen cell method
- 1 January 1977
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics
- Vol. 73 (7) , 1746-1754
- https://doi.org/10.1039/f29777301746
Abstract
The atomization energies, D° 0(CSe)= 140.2 ± 1.4 kcal mol–1, D° at, 0(CSe2)= 225.4 ± 1.7 kcal mol–1 and the standard enthalpies of formation of the molecules CSe(g) and CSe2(g) were determined by the mass spectrometric Knudsen cell method in the temperature interval 1550–1870 K. The thresholds for dissociative ionization towards CSe+, Se+ and Se+ 2 under photon impact, confirm the atomization energies of CSe2(g) and CSe(g). Chemiluminescence from vibrationally excited CO formed by reaction of atomic oxygen with CSe2 is discussed in connection with the above results.Keywords
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