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. University of Chinese Academy of Sciences, Beijing 100049, P.R. China
3. Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P.R. China
4. Shanghai Institute Applied Physics, Chinese Academy of Sciences, Shanghai 201204, P.R. China