#Compute Si crystal : ground-state with few bands, #then large number of bands, then ddk for different directions # ndtset 3 #First dataset : SC run with 2 kpoints prtden1 1 getden1 0 getwfk1 0 nband1 6 #Second dataset : NSC run with many kpoints, lots of bands iscf2 -2 getwfk2 1 getden2 1 kptopt2 2 kptrlen2 40. # ddk response function kptopt3 2 kptrlen3 40. iscf3 -3 nqpt3 1 qpt3 0.0d0 0.0d0 0.0d0 rfdir3 1 1 1 rfelfd3 2 getwfk3 2 #Common data # nshiftk 4 # shiftk 0.5 0.5 0.5 # 0.5 0.0 0.0 # 0.0 0.5 0.0 # 0.0 0.0 0.5 # ngkpt 8 8 8 kptopt 1 acell 3*10.217 diemac 12.0 ecut 8.00 iscf 3 ixc 3 natom 2 nband 70 nbdbuf 0 nstep 100 ntypat 1 rprim 0.0 0.5 0.5 # FCC primitive vectors (to be scaled by acell) 0.5 0.0 0.5 0.5 0.5 0.0 xred # This keyword indicate that the location of the atoms # will follow, one triplet of number for each atom 0.0 0.0 0.0 # Triplet giving the REDUCED coordinate of atom 1. 1/4 1/4 1/4 # Triplet giving the REDUCED coordinate of atom 2. tnons 72*0.0 typat 1 1 tolwfr 1.e-22 znucl 14