1. Beijing Computational Science Research Center
2. Beijing 100193
3. China
4. Department of Chemistry and Key Laboratory of Organic Optoelectronics & Molecular Engineering of Ministry of Education
5. Tsinghua University
6. Beijing 100084
7. Institute of Nuclear Physics and Chemistry
8. China Academy of Engineering Physics
9. Sichuan 621900
10. Chemical Sciences Division
11. Lawrence Berkeley National Laboratory
12. Berkeley
13. USA