Table 3: Eigenvalues (in Electron Volts) at Г and Χ High-Symmetry Points of Brillouin Zone

Present Work Computational Experimental
-13.492 Г1v -11.46 [6] ---
0.0 Г 15v 0.0 0.0
7.206 Г1c 3.25 [6] ---
8.187 Г15c --- ---
-12.925 Χ1v -9.73 [6] ----
-12.921 Χ5v --- ---
6.662 Χ1c 1.51 [6] 3.63
21.39 Χ5c --- ---