1. Department of Chemistry
2. College of Sciences
3. Northeastern University
4. Shenyang
5. P. R. China
6. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
7. College of Chemistry
8. Jilin University
9. Changchun 130012
10. Laboratory of Theoretical and Computational Chemistry
11. Institute of Theoretical Chemistry
12. Changchun 130021