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_1959MedCutoff_Ca__MO_562200212426_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 17:22:48 -13.044841 0.3940 BFGS: 1 17:22:48 -13.057881 0.3904 BFGS: 2 17:22:48 -13.140350 0.3641 BFGS: 3 17:22:48 -13.178343 0.3407 BFGS: 4 17:22:48 -13.187729 0.3212 BFGS: 5 17:22:48 -13.190603 0.3059 BFGS: 6 17:22:48 -13.198104 0.2547 BFGS: 7 17:22:48 -13.206306 0.1937 BFGS: 8 17:22:48 -13.215380 0.1339 BFGS: 9 17:22:48 -13.223955 0.0917 BFGS: 10 17:22:48 -13.230446 0.0594 BFGS: 11 17:22:48 -13.231257 0.0463 BFGS: 12 17:22:48 -13.231440 0.0418 BFGS: 13 17:22:48 -13.231559 0.0392 BFGS: 14 17:22:48 -13.231805 0.0336 BFGS: 15 17:22:48 -13.232234 0.0228 BFGS: 16 17:22:48 -13.232738 0.0158 BFGS: 17 17:22:48 -13.233006 0.0097 BFGS: 18 17:22:48 -13.233056 0.0022 BFGS: 19 17:22:48 -13.233059 0.0002 BFGS: 20 17:22:48 -13.233059 0.0000 BFGS: 21 17:22:48 -13.233059 0.0000 BFGS: 22 17:22:48 -13.233059 0.0000 BFGS: 23 17:22:48 -13.233059 0.0000 Minimization converged after 23 steps. Maximum force component: 8.580577912986711e-10 eV/Angstrom Maximum stress component: 9.358195756700815e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Ca', 'Ca', 'Ca', 'Ca', 'Ca', 'Ca', 'Ca', 'Ca'] basis = [[1.79803488e-01 6.79803488e-01 0.00000000e+00] [8.20196512e-01 3.20196512e-01 4.52304473e-34] [3.20196512e-01 1.79803488e-01 2.26152236e-33] [6.79803488e-01 8.20196512e-01 0.00000000e+00] [8.20196512e-01 6.79803488e-01 5.00000000e-01] [1.79803488e-01 3.20196512e-01 5.00000000e-01] [6.79803488e-01 1.79803488e-01 5.00000000e-01] [3.20196512e-01 8.20196512e-01 5.00000000e-01]] cellpar = Cell([[7.37881923979346, 9.877121202422591e-37, 1.3512030054439246e-31], [3.8915800909172496e-36, 7.378819239793457, -6.109902085960329e-17], [-6.597146131940435e-33, -5.190237206375395e-17, 6.812861901536914]]) forces = [[-8.58057791e-10 -8.58057791e-10 7.10499830e-27] [ 8.58057791e-10 8.58057791e-10 -7.10499732e-27] [ 8.58057791e-10 -8.58057791e-10 7.10499863e-27] [-8.58057791e-10 8.58057791e-10 -7.10499732e-27] [ 8.58057791e-10 -8.58057791e-10 7.10499732e-27] [-8.58057791e-10 8.58057791e-10 -7.10499994e-27] [-8.58057791e-10 -8.58057791e-10 7.10499732e-27] [ 8.58057791e-10 8.58057791e-10 -7.10499994e-27]] stress = [ 4.64945840e-11 4.64945840e-11 -9.35819576e-11 2.10259843e-26 3.06488382e-35 -7.58837414e-51] energy per atom = -1.6541324120134941 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0