HYPERFINE STRUCTURE IN THE MICROWAVE SPECTRUM OF $NF_{3}$
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Date
1996
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Publisher
Ohio State University
Abstract
The J = 1 - 0 rotational transition of $^{14}NF_{3}$ has been measured in high resolution in a pulsed jet Fourier transform microwave spectrometer. The transition is split into three major components due to the nuclear quadrupole coupling constant of the $^{14}N$ nucleus which in turn is further split into hyperfine components due to the fluorine spin - molecular rotation interaction. The improved values of the rotational and nitrogen quadrupole constants are A = B = 10681.0819(15) MHz and $\chi_{cc}$(N) = -7.093(8) MHz. The newly measured spin-rotation and spin-spin constants are $C_{F} = 21.8 \pm 1.6$ kHz, $C_{N} = 2.4 \pm 1.6$ kHz and $D_{cc}(F) = 17 \pm 10$ kHz.
Description
Author Institution: Department of Chemistry, Wesleyan University; Department of Chemistry, College of Saint Elizabeth