element(s): ['Ga', 'N'] AFLOW prototype label: AB_hP4_194_c_b Parameter names: ['a', 'c/a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['3.1989', '2.3743162'] model name: SW_BereSerra_2006_GaN__MO_861114678890_001 ==== Building ASE atoms object with: ==== representative atom symbols = ['Ga', 'N'] representative atom coordinates = [[0.33333333 0.66666667 0.25 ] [0. 0. 0.25 ]] spacegroup = 194 cell = [[3.1989, 0, 0], [-1.59945, 2.770328664166, 0], [0, 0, 7.5952]] ========================================= Step Time Energy fmax BFGS: 0 12:05:46 -11.538341 3.629126 BFGS: 1 12:05:46 -11.862226 2.856905 BFGS: 2 12:05:46 -12.111405 2.134996 BFGS: 3 12:05:46 -12.290829 1.461191 BFGS: 4 12:05:46 -12.405127 0.831892 BFGS: 5 12:05:46 -12.458582 0.243848 BFGS: 6 12:05:46 -12.463852 0.011412 BFGS: 7 12:05:46 -12.463864 0.000167 BFGS: 8 12:05:46 -12.463864 0.000000 BFGS: 9 12:05:46 -12.463864 0.000000 Minimization converged after 9 steps. Maximum force component: 2.666864976607744e-31 eV/Angstrom Maximum stress component: 6.625333059056527e-14 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Ga', 'Ga', 'N', 'N'] basis = [[3.33333330e-01 6.66666670e-01 2.50000000e-01] [6.66666663e-01 3.33333337e-01 7.50000000e-01] [9.99999997e-01 3.33333346e-09 2.50000000e-01] [9.99999997e-01 3.33333346e-09 7.50000000e-01]] cellpar = Cell([[3.416238809254181, 2.913669327488883e-17, -1.802716300702227e-37], [-1.7081194046270904, 2.958549594208422, -3.7746885596198095e-37], [9.910453757508193e-36, 3.079783274655946e-35, 7.595199999999998]]) forces = [[ 2.59668432e-31 -6.07782321e-32 -1.88224050e-66] [-2.66686498e-31 7.29338785e-32 2.54544438e-69] [-2.10541972e-32 3.64669392e-32 1.87349151e-66] [ 2.80722629e-32 -4.86225856e-32 6.20355049e-69]] stress = [-6.62533306e-14 -6.62533306e-14 -2.80311882e-53 -4.57110445e-35 8.64494114e-50 6.94506292e-30] energy per atom = -3.1159660601953183 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0