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High-resolution study of the ν1/ν5 and 2ν1/ν1+ν5 P–H stretching bands of PH2D

✍ Scribed by O.N. Ulenikov; E.S. Bekhtereva; O.L. Petrunina; H. Bürger; W. Jerzembeck

Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
185 KB
Volume
219
Category
Article
ISSN
0022-2852

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✦ Synopsis

The P-H stretching bands m 1 =m 5 and 2m 1 =m 1 þ m 5 were recorded using a Bruker 120 HR interferometer with a resolution of 0.0042 and 0.0088 cm À1 , respectively, and analyzed. From the fits 33 and 50, respectively, vibrational, rotational, centrifugal distortion, and resonance interaction parameters were obtained. These reproduce 668 and 497 rovibrational energies of the pairs of states m 1 =m 5 and 2m 1 =m 1 þ m 5 with experimental accuracies, rms ¼ 0:00016 and 0:00033 cm À1 , respectively. ''Local mode'' behavior of the PH 2 fragment is established and discussed in detail.

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