1. Centre
for Theoretical and Computational Chemistry (CTCC), Department of
Chemistry, University of Tromsø—The Arctic University of Norway, N−9037 Tromsø, Norway
2. Department
of Theoretical Chemistry, School of Biotechnology, Royal Institute of Technology, SE−10691 Stockholm, Sweden
3. Hefei
National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui 230026, People’s Republic of China