1. Institute of Theoretical Chemistry
2. Laboratory of Theoretical and Computational Chemistry
3. Jilin University
4. Changchun 130023
5. China
6. School of Physics
7. Northeast Normal University
8. Changchun 130021
9. MOE Key Laboratory of Macromolecular Synthesis and Functionalization
10. Department of Polymer Science and Engineering
11. Zhejiang University
12. Hangzhou 310027