1. State Key Laboratory of Structural Chemistry; Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; Fuzhou 350002 China
2. University of Chinese Academy of Sciences; Beijing 100049 China
3. College of Science; Jiangxi Agricultural University; Jiangxi 330045 China
4. College of Chemistry; Fuzhou University; Fuzhou 350116 China
5. Department of Chemistry and Biochemistry; California State University; Long Beach CA 90840 USA