1. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
2. College of Physics and energy, Fujian Normal University, Fuzhou 350117, P. R. China
3. Fujian College, University of Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
4. Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry, Xiamen, Fujian 361005, P. R. China