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MRCI方法研究H2分子基态势能曲线和解析势能函数

YANTAI NORMAL UNIVERSITY JOURNAL(NATURAL SCIENCE EDITION)(2004)

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Abstract
用从头计算多参考组态方法(MRCI)和aug-cc-pV6Z基组计算出H2分子基态势能曲线,并得到离解能为De=4.7446eV,与文献中的其他理论值十分接近.采用5参数的Murrell-Sorbie势能函数表达式,将从头计算的势能曲线拟合成解析势能函数,在此基础上计算出了该分子基电子态的光谱常数.这些结果与仅有的实验值符合良好.
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