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On the Study of Resonance Interactions and Splittings in the PH3 Molecule: ν1, ν3, ν2+ν4, and 2ν4 Bands

✍ Scribed by O.N Ulenikov; E.S Bekhtereva; V.A Kozinskaia; Jing-Jing Zheng; Sheng-Gui He; Shui-Ming Hu; Qing-Shi Zhu; C Leroy; L Pluchart

Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
252 KB
Volume
215
Category
Article
ISSN
0022-2852

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✦ Synopsis

The high-resolution (0.005 cm -1 ) Fourier transform infrared spectrum of PH 3 is recorded and analyzed in the region of the fundamental stretching bands, ν 1 and ν 3 . The ν 2 + ν 4 and 2ν 4 bands are taken into account also. Experimental transitions are assigned to the ν 1 , ν 3 , ν 2 + ν 4 , and 2ν 4 bands with the maximum value of quantum number J equal to 15, 15, 13, and 15, respectively. a 1 -a 2 splittings are observed and described up to the value of quantum number K equal to 10. The analysis of a 1 /a 2 splittings is fulfilled with a Hamiltonian model which takes into account numerous resonance interactions among all the upper vibrational states.

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