1. Department of Physics & Applied Physics, University of Massachusetts, Lowell, MA 01854, USA
2. Department of Physics, New York University, 726 Broadway, New York, New York 10003, USA
3. Department of Chemistry, New York University (NYU), New York, New York 10003, USA
4. Courant Institute of Mathematical Sciences, New York University (NYU), New York, New York 10012, USA
5. NYU-ECNU Center for Computational Chemistry at NYU Shanghai, 3663 Zhongshan Road North, Shanghai 200062, China
6. Simons Center for Computational Physical Chemistry at New York University, New York, New York 10003, USA
7. Department of Chemistry, University of Massachusetts, Lowell, MA 01854, USA