节点文献
CN自由基的从头计算
Ab Initio Calculation of CN Free Radical
【Author】 YANG Ming, GUO Ying-chun Key Laboratory of Optical and Magnetic Resonance Spectroscopy and Department of Physics, East China Normal University, Shanghai 200062, China
【机构】 华东师范大学物理系光谱学与波谱学教育部重点实验室;
【摘要】 从头计算方法是分子振动光谱分析的重要工具,文章采用从头算的MRD-CI方法得到精度很高的相交的两条势能曲线,对应CN的基态和激发态,进而获得了平衡结构,其与实验值非常相符。接着将势能曲线带入到核的薛定谔方程,从而得到CN基态和激发态的振动能级以及转动常数。通过与实验结果的比较,得到转动常数可以准确到3位有效数字。
【Abstract】 The potential curves for the X2Σ+ ground state and A2Π+ excited state were obtained by using MRD-CI method. The bond lengths of the two states were found to be in good agreement with the experimental results. In addition, rotational constants were calculated and were compared with experimental values. It was found that the rotational constants’ first three digits are significant.
- 【会议录名称】 第十四届全国分子光谱学术会议论文集
- 【会议名称】第十四届全国分子光谱学术会议
- 【会议时间】2006-07
- 【会议地点】中国吉林长春
- 【分类号】O641.1
- 【主办单位】中国化学会物理化学委员会、中国光学会光谱委员会、吉林大学超分子结构与材料教育重点实验室