1. Department
of Chemistry, Temple University, Beury Hall, 1901 North 13th Street, Philadelphia, Pennsylvania 19122, United States
2. Center
for the Computational Design of Functional Layered Materials (CCDM), Temple University, Philadelphia, Pennsylvania 19122, United States
3. Department
of Condensed Matter Physics and Materials Science, Brookhaven National Laboratory, Upton, New York 11973, United States