Wu Shenghai, Liu Yuyan, Wu Ling, Xu Chaoxiong, Yang Xiaohua, Guo Yingchun, Tao Sufen, Chen Yangqin. Study of the B 2Σu+, A 2Πu and X 2Σg+ Electronic States of N2+[J]. Chinese Journal of Chemical Physics , 2002, 15(5): 321-330. doi: 10.1088/1674-0068/15/5/321-330
Citation: Wu Shenghai, Liu Yuyan, Wu Ling, Xu Chaoxiong, Yang Xiaohua, Guo Yingchun, Tao Sufen, Chen Yangqin. Study of the B 2Σu+, A 2Πu and X 2Σg+ Electronic States of N2+[J]. Chinese Journal of Chemical Physics , 2002, 15(5): 321-330. doi: 10.1088/1674-0068/15/5/321-330

Study of the B 2Σu+, A 2Πu and X 2Σg+ Electronic States of N2+

doi: 10.1088/1674-0068/15/5/321-330
  • Received Date: 2001-11-19
  • The spectra of the (12,6), (11,5) and (7,2) bands of theA2Πu-X2Σ+gsystemand the (1,5) band of the B2Σ+u-X2Σ+gsystem of N2+have been observed and analyzed in the visible region between 16800~17573 cm-1using optical heterodyne magnetic rotation enhanced velocity modulation spectroscopy. This paper has derived the effective Hamiltonian matrixes including the perturbation terms for analysis of the rovibronic spectrum in a diatomic molecule, revealed and explained the mechanism of the perturbation between the A2Πuand B2Σ+ustates of N2+. The analysis shows that the vibronic levels A2Πu (v=11) and B2Σ+u (v=1) have a strong interaction atJ=13.5 (for elevel) and 9.5 (for flevel). As a result, the perturbation constantsξeandηeforA2Πuand B2Σ+ustates ofN2+are obtainedwith the values of -34.1350 (59) cm-1and 1.09756(30) respectively.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Study of the B 2Σu+, A 2Πu and X 2Σg+ Electronic States of N2+

doi: 10.1088/1674-0068/15/5/321-330

Abstract: The spectra of the (12,6), (11,5) and (7,2) bands of theA2Πu-X2Σ+gsystemand the (1,5) band of the B2Σ+u-X2Σ+gsystem of N2+have been observed and analyzed in the visible region between 16800~17573 cm-1using optical heterodyne magnetic rotation enhanced velocity modulation spectroscopy. This paper has derived the effective Hamiltonian matrixes including the perturbation terms for analysis of the rovibronic spectrum in a diatomic molecule, revealed and explained the mechanism of the perturbation between the A2Πuand B2Σ+ustates of N2+. The analysis shows that the vibronic levels A2Πu (v=11) and B2Σ+u (v=1) have a strong interaction atJ=13.5 (for elevel) and 9.5 (for flevel). As a result, the perturbation constantsξeandηeforA2Πuand B2Σ+ustates ofN2+are obtainedwith the values of -34.1350 (59) cm-1and 1.09756(30) respectively.

Wu Shenghai, Liu Yuyan, Wu Ling, Xu Chaoxiong, Yang Xiaohua, Guo Yingchun, Tao Sufen, Chen Yangqin. Study of the B 2Σu+, A 2Πu and X 2Σg+ Electronic States of N2+[J]. Chinese Journal of Chemical Physics , 2002, 15(5): 321-330. doi: 10.1088/1674-0068/15/5/321-330
Citation: Wu Shenghai, Liu Yuyan, Wu Ling, Xu Chaoxiong, Yang Xiaohua, Guo Yingchun, Tao Sufen, Chen Yangqin. Study of the B 2Σu+, A 2Πu and X 2Σg+ Electronic States of N2+[J]. Chinese Journal of Chemical Physics , 2002, 15(5): 321-330. doi: 10.1088/1674-0068/15/5/321-330

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