LOCAL MODE SPECTROSCOPIC STUDY OF THE AsH3 MOLECULE: THE PERTURBED (500) LOCAL MODE OVERTONE
Lin Hai (林海)a, Oleg N. Ulenikovab, Igor M. Olekhnovitchab, Wang Dong (王冬)a, Chen Xi-yi (陈习意)a, Hao Lu-yuan (郝绿原), Zhu Qing-shi (朱清时)a
a Laboratory of Bond Selective Chemistry, University of Science and Technology of China, Hefei 230026, China; b Laboratory of Molecular Spectroscopy, Department of Physics, Tomsk State University, Tomsk 634050, Russia
Abstract The high resolution Fourier transform spectra of AsH3 in the region of 9720-9900 cm-1, which had been recorded at a resolution of 0.015 cm-1, were assigned to the (500; A1) and (500; E) local mode overtones and rotationally analyzed. The effective spectroscopic parameters were obtained by nonlinear least-squares fitting the vibration-rotational Hamiltonian with the rotational energy levels up to J=6 (98 levels in all) included. The evolution of the rotational energy patterns from v=1 to v=6 shows that the tendency of normal mode to local mode vibration evolution has been stopped by perturbations in relatively high energy region.
Received: 16 April 1999
Accepted manuscript online:
Fund: Project supported by the National Natural Science Foundation of China (Grant No. 29573120), the National Natural Science Youth Foundation of China (Grant Nos. 29903010 and GG0366) and the Chinese Academy of Sciences (Grant No. KJ951-A1-510).
Cite this article:
Lin Hai (林海), Oleg N. Ulenikov, Igor M. Olekhnovitch, Wang Dong (王冬), Chen Xi-yi (陈习意), Hao Lu-yuan (郝绿原), Zhu Qing-shi (朱清时), LOCAL MODE SPECTROSCOPIC STUDY OF THE AsH3 MOLECULE: THE PERTURBED (500) LOCAL MODE OVERTONE 2000 Chinese Physics 9 113
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