1. Key Lab of Mesoscopic Chemistry
2. School of Chemistry and Chemical Engineering
3. Nanjing University
4. Nanjing 210093
5. P.R. China
6. School of Physical Science and Technology
7. Shanghai Tech University
8. Shanghai 201210
9. Beijing Computational Science Research Center
10. Beijing 100193
11. Department of Chemistry
12. Carnegie Mellon University
13. Pittsburgh
14. USA