碱金属卤化物中的偏心杂质:重取向、电极化的强度及与F心的配对。III。数值计算
Off-center impurity in alkali halides: reorientation, electric polarization and pairing to F center. III. Numerical calculations
摘要:
我们进行了数值计算的扩展Hueckel程序,以检查在前面的第一部分和第二部分报告的分析结果。我们通常考虑由几十个组成原子组成的碱金属卤化物团簇来计算静态条件下的电子能量或与特定原子的位移的关系。除其他事项外,取代Li+杂质在大多数碱金属卤化物的偏心位移是有证据的。旋转障碍的三角形配置文件也证实了氯化钾。
英文摘要:
We carried out numerical calculations by an extended-Hueckel program in order to check the analytical results reported in the preceding Part I and Part II. We typically consider alkali halide clusters composed of some tens of constituent atoms to calculate electronic energies under static conditions or versus the displacements of particular atoms. Among other things, the off-center displacement of substitutional Li+ impurity in most alkali halides is evidenced. The trigonometric profile of the rotational barriers is also confirmed for KCl.
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