1. College of Mathematics and Information Science
2. North China University of Water Resources and Electric Power
3. Zhengzhou 450045
4. China
5. State Key Laboratory of Molecular Reaction Dynamics
6. Department of Basic Science
7. Jiaozuo University
8. Jiaozuo 454000
9. Theoretical and Computational Chemistry
10. Dalian Institute of Chemical Physics
11. Chinese Academy of Sciences
12. Dalian 116023