Abstract
Rotational analyses of the (0–0) bands of the 4 550 Å band system of C2H2O2 (glyoxal), C2HDO2, and C2D2O2 have been performed. The analyses show unambiguously that the bands have type C structures, in agreement with the assignment to a 1Au–1Ag, (or1A″–1A′), π*–n transition. Rotational constants, A, B, C, and DK have been determined for each isotope and probable structures for the molecule in the ground and excited states have been determined. The CO bond is longer and the CC bond shorter in the excited state, in agreement with the predictions of molecular orbital theory.
Publisher
Canadian Science Publishing
Subject
General Physics and Astronomy
Cited by
159 articles.
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