1. School of
Engineering and Science, Jacobs University Bremen, Campus Ring 1, 28759 Bremen,
Germany
2. Scientific Computing & Modelling NV, Theoretical Chemistry, Vrije Universiteit, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
3. Department of Applied Chemistry, National Chiao Tung University, Hsinchu 30010, Taiwan
4. Institute of Molecular Science, National Chiao Tung University, Hsinchu 30010, Taiwan