1. College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, P. R. of China
2. State Key Laboratory of Structural Chemistry, Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, P. R. of China
3. Fujian College, University of Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, P. R. of China
4. University of Chinese Academy of Sciences, Beijing 100049, P. R. of China