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Microwave Spectrum and Nuclear Quadrupole Interaction of 3-Iodothiophene in the Excited Vibrational States

✍ Scribed by Yoshiaki Sasada; Yuzuru Niide

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
518 KB
Volume
174
Category
Article
ISSN
0022-2852

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✦ Synopsis

The rotational spectra of the excited vibrational states of 3-iodothiophene in the frequency region 10-35 GHz were investigated. The a-type R-branch transitions of two vibrational modes were assigned, and the rotational constants and the centrifugal distortion constants were determined. The nuclear quadrupole coupling constant tensors were obtained from the hyperfine splittings of the rotational transitions. The vibration-rotation constants of the two vibrational modes were also determined. The energy differences between the ground and excited states associated with the two vibrational modes of the C{I bond were estimated by measuring the relative intensities of the absorption lines.

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