element(s): ['Ca'] AFLOW prototype label: A_tI8_140_h Parameter names: ['a', 'c/a', 'x1'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['7.4277', '0.87422755', '0.169563'] model name: Morse_Shifted_GirifalcoWeizer_1959LowCutoff_Ca__MO_887105884651_004 ==== Building ASE atoms object with: ==== representative atom symbols = ['Ca'] representative atom coordinates = [[0.169563 0.669563 0. ]] spacegroup = 140 cell = [[7.4277, 0, 0], [0, 7.4277, 0], [0, 0, 6.4935]] ========================================= Step Time Energy fmax BFGS: 0 16:34:01 -12.081043 0.490943 BFGS: 1 16:34:01 -12.096216 0.483917 BFGS: 2 16:34:01 -12.179087 0.439817 BFGS: 3 16:34:01 -12.230298 0.441265 BFGS: 4 16:34:01 -12.256486 0.399407 BFGS: 5 16:34:01 -12.266479 0.357704 BFGS: 6 16:34:01 -12.270193 0.331680 BFGS: 7 16:34:01 -12.279039 0.291730 BFGS: 8 16:34:01 -12.288039 0.224455 BFGS: 9 16:34:01 -12.297791 0.151980 BFGS: 10 16:34:01 -12.307581 0.090125 BFGS: 11 16:34:01 -12.314793 0.064955 BFGS: 12 16:34:01 -12.315544 0.052577 BFGS: 13 16:34:01 -12.315802 0.044361 BFGS: 14 16:34:01 -12.315917 0.041031 BFGS: 15 16:34:01 -12.316198 0.033807 BFGS: 16 16:34:01 -12.316671 0.026078 BFGS: 17 16:34:01 -12.317307 0.027428 BFGS: 18 16:34:01 -12.317690 0.014693 BFGS: 19 16:34:01 -12.317779 0.003096 BFGS: 20 16:34:01 -12.317785 0.000316 BFGS: 21 16:34:01 -12.317785 0.000013 BFGS: 22 16:34:01 -12.317785 0.000001 BFGS: 23 16:34:01 -12.317785 0.000000 BFGS: 24 16:34:01 -12.317785 0.000000 Minimization converged after 24 steps. Maximum force component: 2.4391544419484567e-09 eV/Angstrom Maximum stress component: 1.8978310910682561e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Ca', 'Ca', 'Ca', 'Ca', 'Ca', 'Ca', 'Ca', 'Ca'] basis = [[1.79361353e-01 6.79361353e-01 2.24010054e-33] [8.20638647e-01 3.20638647e-01 2.24010054e-34] [3.20638647e-01 1.79361353e-01 3.36015082e-34] [6.79361353e-01 8.20638647e-01 2.24010054e-33] [8.20638647e-01 6.79361353e-01 5.00000000e-01] [1.79361353e-01 3.20638647e-01 5.00000000e-01] [6.79361353e-01 1.79361353e-01 5.00000000e-01] [3.20638647e-01 8.20638647e-01 5.00000000e-01]] cellpar = Cell([[7.462740399510429, -5.5380947680703065e-36, -1.2016596312591926e-32], [-5.565794196578361e-36, 7.462740399510427, -2.0572718621723508e-17], [-3.6019828837395906e-33, -1.7579716254247574e-17, 6.878012502815629]]) forces = [[-2.43915444e-09 -2.43915444e-09 6.72407394e-27] [ 2.43915444e-09 2.43915444e-09 -6.72407593e-27] [ 2.43915444e-09 -2.43915444e-09 6.72407261e-27] [-2.43915444e-09 2.43915444e-09 -6.72407195e-27] [ 2.43915444e-09 -2.43915444e-09 6.72406864e-27] [-2.43915444e-09 2.43915444e-09 -6.72407659e-27] [-2.43915444e-09 -2.43915444e-09 6.72407261e-27] [ 2.43915444e-09 2.43915444e-09 -6.72407394e-27]] stress = [ 9.27522861e-11 9.27522861e-11 -1.89783109e-10 -3.35101681e-26 -1.14909327e-35 -1.55191172e-51] energy per atom = -1.5397231154950957 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0