Open Log ' GaP.log ' # Set output files Open Error ' GaP.error ' Open output ' GaP.out ' Psi_Memory 1000 Proj_Memory 100 Ylm_Memory 100 Bloch_Memory 100 Max_AtomTypes 2 MAx_Specific_Atoms 2 Max_TotalPsi 25 MinPsi 20 SuperCell # Define the crystal Scale 10.1 A ( 0.50000000, 0.5000000, 0.000000) B ( 0.000000, 0.5000000, 0.5000000) C ( 0.5000000, 0.000000, 0.5000000) Gauss_Width 0.001 BZ_Method GAUSS Include ' /gpfs0/physp2/harrisdt/paw/gap/SolidData/SharedFiles/444 ' Include ' /gpfs0/physp2/harrisdt/paw/gap/SolidData/SharedFiles/zincblende.sym ' End PlaneWave_CutOffs Gcut_LOW 5 Gcut_HIGH 10 End Include ' /gpfs0/physp2/harrisdt/paw/gap/SolidData/SharedFiles/GaP-LDA-potentialfile ' Atom_List FRAC_POSITION Ga1 Ga ( 0.0, 0.0, 0.0) P1 P ( 0.25, 0.25, 0.25) 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 ' GaP ' Set_Name Force_Name ' GaP.forces' Set_Name Position_Archive_Name ' GaP.positions' Initialize_System Relax charge 50 1.E-7 Quit