Precise dipole moment and quadrupole coupling constants of benzonitrile

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We have performed Fourier transform microwave spectroscopy of benzonitrile, without and with applied electric fields. From the field-free hyperfine-resolved microwave transitions we simultaneously derive accurate values for the rotational constants, centrifugal distortion constants, and nitrogen nuclear quadrupole coupling constants of benzonitrile. By measuring the Stark shift of selected hyperfine transitions the electric dipole moment of benzonitrile is determined to $μ=μ_a=4.5152 (68)$ D.
6 pages, 2 tables (elsart)

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Chemical Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/144612

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0709.2984
 http://arxiv.org/abs/0709.2984
 J. Mol. Spec. 247(1), 119-121 (2008)
 doi:10.1016/j.jms.2007.10.006

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arXiv