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采用abinitioCID/MC-311G*方法计算了HCl+(X2Π)和HCl-(X2Σ+)的势能函数值,并根据光谱数据导出了HCl+(X2Π)的Murrel-sorbie势能函数,采用最小二乘法拟合出了HCl-(X2Σ+)的解析势能函数.导出了Murrel-Sorbie函数中的系数a1,a2和a3与光谱数据ωeχe和αe的关系,并用它们计算了HCl+(X2Π)和HCl-(X2Σ+)的非谐性常数和非刚性转动常数
The potential energy values of HCl + (X2Π) and HCl- (X2Σ +) were calculated by the abinitioCID / MC-311G * method and the Murrel-sorbie potential function of HCl + (X2Π) was derived from the spectral data. The Analytical Potential Energy Function of HCl- (X2Σ +). The relationships between the coefficients a1, a2 and a3 of the Murrel-Sorbie function and the spectral data ωeχe and αe are derived and used to calculate the anharmonic and non-rigid rotational constants of HCl + (X2Π) and HCl- (X2Σ +)