用PM3半经验量子化学方法研究了模型分子筛对水分子吸附的性质。
The adsorptive process of H2O molecule in model zeolite have been studied by PM3 semi empirical quantum chemistry method.
对电子结构计算中常用的量子化学从头算方法及几种量子化学半经验计算方法进行了讨论。
This paper discusses the quantum chemistry ab initio calculation method and some semi-empirical calculation methods frequently used on the electronic structure.
用半经验的量子化学PM3方法研究了反应物和产物的电子结构，得到了产物的最优构型和电荷键序分布以及反应焓变。
The electronic structure of products and reactants were studied by molecular orbital PM3 method. The reaction enthalpies and optimized configuration for products were obtained.
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