ENCUT= 500
EDIFF= 1E-05
SIGMA= 0.02
ISMEAR= 0
LASPH= T
#ISPIN= 2 
NCORE= 4
LREAL= A
GGA= PS 
IVDW= 11; 
ISYM= -1
LSORBIT= T; NBANDS= 84
LHFCALC= T; HFSCREEN= 0.2
 VDW_S8       =    0.6120
 VDW_SR       =    1.3450