Table 1. Calculated Energy difference and vacancy formation energy (in eV).

Vacancy Type	Energy difference (eV)	Formation Energy (eV)
SV1	0	1.48
SV2	−0.30	1.18
DV1	0	1.49
DV2	1.20	2.69
DV3	0.12	1.61
FS-1	0.15	1.65
FS-2	0.49	1.93
SW-1	0	0.60
SW-2	0.34	0.84