Vibration-rotation transition probabilities in CH+ and CD+ |
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Institution: | 1. College of Physics and Material Science, Henan Normal University, Xinxiang 453007, China;2. College of Physics and Electronic Engineering, Xinyang Normal University, Xinyang 464000, China |
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Abstract: | Vibrational dipole matrix elements and radiative transition probabilities have been evaluated from electric dipole moment functions for the X1Σ+ states of CH+ and CD+, which were calculated from highly correlated electronic wavefunctions. The dipole moments in ν = 0 amount to 1.679 D (CH+) and 1.313 D (CD+), respectively. In comparison to other molecular ions the infrared transition probabilities are found to be rather small. For instance, the Einstein coefficient of spontaneous emission A10 amounts to 1.63 s−1 (CH+) and 0.19 s−1 (CD+). Dipole moment functions of the neutral CH species in the X2Π and a4 Σ− states have also been calculated and are compared with previous theoretical functions. |
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