1. Key Laboratory of Material Simulation Methods & Software of Ministry of Education, College of Physics, Jilin University, Changchun 130012, PR China
2. State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, PR China
3. International Center of Future Science, Jilin University, Changchun 130012, PR China
4. Department of Applied Physics, Nanjing University of Science and Technology, Nanjing 210094, PR China
5. Quantum Theory Project, Department of Physics and Department of Chemistry, University of Florida, Gainesville, Florida 32611, United States
6. Department of Physics and Department of Chemistry, Rutgers University, Newark, New Jersey 07102, United States