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Title: Spectroscopic Investigation of the Electronic A¹ A′′−χ¹ A′ Transition of HSiNC
Authors: Evans, Corey J.
Dover, Matthew Richard
First Published: 2-Jul-2009
Publisher: American Chemical Society
Citation: Journal of Physical Chemistry A, 2009, 113 (30), pp. 8533-8539.
Abstract: The first spectroscopic investigation of the A¹A′′−χ¹A′ transition of HSiNC has been reported. The 0/0° band of the A¹A′′−χ¹A′ transition has been rotational resolved using laser-induced fluorescence spectroscopy, and ground- and excited-state rotational and centrifugal distortion constants were evaluated. Ten additional vibrational bands belonging to HSiNC have also been observed in the laser-induced fluorescence spectrum and have been assigned based on predicted anharmonic vibrational frequencies. Because of the large change in geometry upon excitation, a number of axis-rotation peaks have been observed in the 0/0° band, and the axis-rotation angle (θT) has been estimated to be 1.0 ± 0.2°. Dispersed fluorescence spectroscopy has also been carried out, and a number of overtones of the ν3 fundamental (Si−H wagging mode) have been observed in the ground state, and its anharmonic parameter (xe) was evaluated.
DOI Link: 10.1021/jp902966y
ISSN: 1089-5639
Type: Article
Description: This paper was published as Journal of Physical Chemistry A, 2009, 113 (30), pp. 8533-8539. It is available from Doi: 10.1021/jp902966y
Appears in Collections:Published Articles, Dept. of Chemistry

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