1. Shaanxi
Key Laboratory for Theoretical Physics Frontiers, Institute of Modern
Physics, Northwest University, Xi’an 710069, Shaanxi, People’s Republic of China
2. Beijing
National Laboratory for Molecular Sciences, Institute of Theoretical
and Computational Chemistry, State Key Laboratory of Rare Earth Materials
Chemistry and Applications, College of Chemistry and Molecular Engineering,
and Center for Computational Science and Engineering, Peking University, Beijing 100871, People’s Republic of China