element(s): ['Pb'] AFLOW prototype label: A_hP2_194_c 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: ['3.5121', '1.6714786'] model name: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 ==== Building ASE atoms object with: ==== representative atom symbols = ['Pb'] representative atom coordinates = [[0.33333333 0.66666667 0.25 ]] spacegroup = 194 cell = [[3.5121, 0, 0], [-1.75605, 3.0415678206313, 0], [0, 0, 5.8704]] ========================================= Step Time Energy fmax BFGS: 0 15:57:02 -6.543502 5.647322 BFGS: 1 15:57:02 -7.435817 6.333317 BFGS: 2 15:57:02 -8.432982 7.004247 BFGS: 3 15:57:02 -9.525280 7.685259 BFGS: 4 15:57:02 -10.680727 8.187660 BFGS: 5 15:57:02 -11.835990 8.297825 BFGS: 6 15:57:02 -12.900588 7.719409 BFGS: 7 15:57:02 -13.753320 6.004997 BFGS: 8 15:57:02 -14.245769 2.378535 BFGS: 9 15:57:02 -14.287921 1.575902 BFGS: 10 15:57:02 -14.305467 0.178623 BFGS: 11 15:57:02 -14.305719 0.011882 BFGS: 12 15:57:02 -14.305720 0.000106 BFGS: 13 15:57:02 -14.305720 0.000003 BFGS: 14 15:57:02 -14.305720 0.000000 BFGS: 15 15:57:02 -14.305720 0.000000 Minimization converged after 15 steps. Maximum force component: 2.800337680224041e-31 eV/Angstrom Maximum stress component: 1.4966717655528245e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Pb', 'Pb'] basis = [[0.33333333 0.66666667 0.25 ] [0.66666666 0.33333334 0.75 ]] cellpar = Cell([[2.8398797929421864, 5.494618412456705e-17, 8.8345139141893e-37], [-1.4199398964710932, 2.459408044382024, -3.385353889277938e-35], [-2.8730510900531246e-36, 4.7382541051022845e-35, 4.6375967917843015]]) forces = [[-2.80033768e-31 2.42516357e-31 -3.38177418e-66] [ 1.86689179e-31 -8.08387857e-32 1.15629641e-66]] stress = [ 6.24762472e-12 6.24762472e-12 1.49667177e-10 1.09008958e-45 -3.47305825e-46 5.66327959e-28] energy per atom = -7.152859852815628 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0