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首页> 外文期刊>Chemical Physics Letters >DOPPLER-FREE KINETIC ENERGY RELEASE SPECTRUM OF NO2+ AND AB INITIO CI CALCULATIONS
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DOPPLER-FREE KINETIC ENERGY RELEASE SPECTRUM OF NO2+ AND AB INITIO CI CALCULATIONS

机译:NO2 +和AB初始CI计算的无多普勒动力学能谱

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摘要

The nitric oxide dication, NO2+, is studied using Doppler-free kinetic energy release spectroscopy and ab initio CI calculations. The C-2 Sigma(+) and 2 (II)-I-4 states have been observed and studied at vibrational resolution. The B (2) Sigma(+) state has also been investigated. The upsilon = 0 level of the C (2) Sigma(+) State dissociates by tunnelling through a potential barrier into N+(P-3) + O+(D-2). Spin-orbit interaction with a repulsive (6) Sigma(+) state accounts for the dissociation of the upsilon = 0 level in the 2 (II)-I-4 State into the ground state ion pair N+(P-3)+ O+(S-4). There is evidence for two other dissociation channels (N+(P-3) + O+(D-2) and N+(P-3) + O+(P-2)). Predissociation into N+(P-3) + O+(S-4) due to spin-orbit coupling with the 1 (II)-I-4 State governs the dissociation of the first three vibrational levels in the B (2) Sigma(+) state. The apparent relative population of the vibrational levels in this state is strongly influenced by radiative transitions to the X (2) Sigma(+) State. [References: 17]
机译:使用无多普勒动能释放光谱和从头算CI来研究一氧化氮的指示离子NO2 +。 C-2 Sigma(+)和2(II)-I-4状态已观察和研究的振动分辨率。 B(2)Sigma(+)状态也已进行了研究。 C(2)Sigma(+)状态的upsilon = 0级通过穿过势垒隧穿到N +(P-3)+ O +(D-2)中而解离。具有排斥性(6)Sigma(+)状态的自旋轨道相互作用导致2(II)-I-4状态中upsilon = 0的水平解离为基态离子对N +(P-3)+ O + (S-4)。有其他两个解离通道的证据(N +(P-3)+ O +(D-2)和N +(P-3)+ O +(P-2))。由于与1(II)-I-4状态的自旋轨道耦合,预解离为N +(P-3)+ O +(S-4)决定了B(2)Sigma(+ )状态。在此状态下,振动水平的表观相对种群受到辐射过渡到X(2)Sigma(+)状态的强烈影响。 [参考:17]

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