1. State Key Laboratory for Structural Chemistry of Unstable and Stable Species Institution of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
2. Fritz-Haber-Institut der Max-Planck-Gesellschaft Faradayweg 4–6 14195 Berlin Germany
3. Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie Universität Leipzig Linnéstrasse 2 04103 Leipzig Germany
4. CAS Key Laboratory of Photochemistry Institute of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
5. University of Chinese Academy of Sciences Beijing 100049 P. R. China