1. Institute of Theoretical and Simulation Chemistry, Academy of Fundamental and Interdisciplinary Science, Harbin Institute of Technology, Harbin 150080, PR China, Tel: +886‐3‐5712121#56503; Fax: +886‐3‐5723764
2. Department of Applied Chemistry, Institute of Molecular Science and Center for Interdisciplinary Molecular Science, National Chiao‐Tung University, Hsinchu 30050, Taiwan, Tel: +886‐3‐5712121#56582
3. Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, Taiwan, Tel: +886‐3‐5712121#56591; Fax: +886‐3‐5723764
4. Center for Condensed Matter Sciences, National Taiwan University, Taipei, Taiwan
5. College of Chemistry, Beijing Normal University, Beijing 100875, PR China