The second part discusses statistical partition functions and thermodynamical functions using the AM rovibrational energies for the diatomic molecular systems, and provides a good computational basis for accurate studyies of thermodynamical functions.

• 本文第二部分以热力学的基本理论为基础，运用AM和AEM方法获得的双原子分子精确的光谱常数、振动能级和离解能数据，对双原子分子体系的配分函数和热力学函数进行了必要的讨论，为热力学函数的精确研究及其应用奠定了良好的基础。