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Partition Functions of Molecule SO2
Author(s): WU Donglan, XIE Andong, WAN Huijun
Pages: 755-
760
Year: 2011
Issue:
5
Journal: Chinese Journal of Computational Physics
Keyword: 烟道气体; SO2; 同位素; 配分函数;
Abstract: 利用Gaussian03程序包,在B3P86/cc-PV5Z水平上对烟道气体SO2同位素分子进行优化计算,得到平衡几何结构、谐振频率和转动常数等物理性质参数;采用乘积近似法构建两种分子的配分函数模型,其中,转动配分函数采用WATSON的刚性转子模型,振动配分函数采用谐振子近似.模拟计算两种分子70~6000 K温度范围内的总配分函数,并将70~3000 K的数据与数据库比较,发现两者符合的较好,且...
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