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Title: Theoretical Study on the Ground and Excited States of Dicyanocarbene (C3N2) and Its Isomers: A Low-Temperature Matrix Emission Spectrum Attributable to 3-Cyano-2H-azirenylidene
Authors: Chaudhuri, R. K
Krishnamachari, S. L. N. G
Keywords: dicyanocarbene isomers;3-Cyano-2H-azirenylidene
Issue Date: May-2007
Publisher: American Chemical Society
Citation: Journal of Physical Chemistry A, Vol. 111, No. 22, pp. 4849 - 4854
Abstract: Ab initio calculations are used to characterize the ground and low lying excited electronic states of selected dicyanocarbene (C3N2 or C(CN)2) isomers. Our calculated ground state geometries and the corresponding vibrational frequencies agree well with available experimental and theoretical data, thereby providing the reliability of the predicted quantities. The present calculations are used to identify the possible emitting species for some unidentified emission bands observed in certain low-temperature matrices. It is found that the 13A' X1A' transition of 3-cyano-2H-azirenylidene, that is, cyclic C2N-CN (Figure 1c) satisfactorily explains all of the observed spectral features of these bands
Description: Restricted Access
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Appears in Collections:IIAP Publications

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