1. Institute for Inorganic Chemistry, University of Erlangen‐Nürnberg, Egerlandstrasse 1, 91058 Erlangen, Germany
2. Computer Chemistry Center, University of Erlangen‐Nürnberg, Nägelsbachstrasse 25, 91052 Erlangen, Germany
3. School of Chemistry and Chemical Engineering, Zhongshan University, 510275 Guangzhou, P. R. China