Open Log ' C.log ' # Set output files Open Error ' C.error ' Open output ' C.out ' Psi_Memory 1000 Proj_Memory 100 Ylm_Memory 100 Bloch_Memory 100 Max_AtomTypes 1 MAx_Specific_Atoms 2 Max_TotalPsi 20 MinPsi 15 SuperCell # Define the crystal Scale 6.5 A ( 0.5000000, 0.500000, 0.000000) B ( 0.000000, 0.500000, 0.500000) C ( 0.500000, 0.000000, 0.500000) Gauss_Width 0.001 BZ_Method GAUSS Include ' /gpfs0/physp2/dellnw3/C/pwpaw/SolidData/SharedFiles/444 ' Include ' /gpfs0/physp2/dellnw3/C/pwpaw/SolidData/SharedFiles/diamond.sym ' End PlaneWave_CutOffs Gcut_LOW 5 Gcut_HIGH 10 End Include ' /gpfs0/physp2/dellnw3/C/pwpaw/SolidData/SharedFiles/C-LDA-potentialfile ' Atom_List FRAC_POSITION C1 C (0.125,0.125,0.125) C2 C (-0.125,-0.125,-0.125) End FORCES_ALWAYS_CALC_H Mix_Veff V_NewMix 0.4 0.2 Dij_NewMix 0.4 0.2 Mix_SecondValue 0.2 Store_Lowest_Energy ' C ' Set_Name Force_Name ' C.forces' Set_Name Position_Archive_Name ' C.positions' Initialize_System Relax charge 50 1.E-7 Quit