1. Hangzhou Institute of Advanced Studies
2. Zhejiang Normal University
3. Hangzhou 311231
4. P. R. China
5. Key Laboratory of Theoretical and Computational Photochemistry of Ministry of Education
6. College of Chemistry
7. Beijing Normal University
8. Beijing 100875
9. Department of Chemistry
10. Zhejiang Sci-Tech University
11. Hangzhou 310018