1. School of Chemical Science University of Chinese Academy of Sciences 19A Yuquanlu Beijing 100049 P. R. China
2. Beijing Synchrotron Radiation Facility Institute of High Energy Physics Chinese Academy of Sciences Beijing 100049 P. R. China
3. Computing Center Dalian University of Technology Dalian Liaoning 116024 P. R. China
4. Beijing National Laboratory for Molecular Sciences Institute of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China