element(s): ['Sn'] AFLOW prototype label: A_cF8_227_a Parameter names: ['a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['6.7273'] model name: MEAM_LAMMPS_EtesamiBaskesLaradji_2018_PbSn__MO_162736908871_002 ==== Building ASE atoms object with: ==== representative atom symbols = ['Sn'] representative atom coordinates = [[0 0 0]] spacegroup = 227 cell = [[6.7273, 0, 0], [0, 6.7273, 0], [0, 0, 6.7273]] ========================================= Step Time Energy fmax BFGS: 0 20:58:00 -25.073734 1.040967 BFGS: 1 20:58:01 -25.119421 1.007060 BFGS: 2 20:58:01 -25.261613 0.887352 BFGS: 3 20:58:01 -25.385170 0.758511 BFGS: 4 20:58:01 -25.488684 0.620020 BFGS: 5 20:58:02 -25.570671 0.471413 BFGS: 6 20:58:02 -25.629577 0.312180 BFGS: 7 20:58:02 -25.663766 0.141759 BFGS: 8 20:58:02 -25.672138 0.008933 BFGS: 9 20:58:03 -25.672171 0.000233 BFGS: 10 20:58:03 -25.672171 0.000000 BFGS: 11 20:58:03 -25.672171 0.000000 Minimization converged after 11 steps. Maximum force component: 1.2052685733983484e-31 eV/Angstrom Maximum stress component: 4.395476918472956e-13 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Sn', 'Sn', 'Sn', 'Sn', 'Sn', 'Sn', 'Sn', 'Sn'] basis = [[0.00000000e+00 2.18141513e-33 1.82804250e-33] [0.00000000e+00 5.00000000e-01 5.00000000e-01] [5.00000000e-01 5.00000000e-01 4.79268315e-33] [5.00000000e-01 4.79268315e-33 5.00000000e-01] [7.50000000e-01 2.50000000e-01 7.50000000e-01] [2.50000000e-01 2.50000000e-01 2.50000000e-01] [2.50000000e-01 7.50000000e-01 7.50000000e-01] [7.50000000e-01 7.50000000e-01 2.50000000e-01]] cellpar = Cell([[6.4295673568633545, -2.318600159261448e-33, -1.2089923773137964e-32], [-6.413180565304342e-33, 6.4295673568633545, 7.200367942583395e-17], [2.3116786301181483e-32, 7.200367942583393e-17, 6.4295673568633545]]) forces = [[ 5.28336909e-32 1.38275675e-32 6.60421136e-32] [ 1.08969487e-31 2.06381605e-32 -1.17224752e-31] [-2.31147398e-32 -2.31147398e-32 1.08969487e-31] [-1.02365276e-31 1.98126341e-32 -1.20526857e-31] [ 3.99348406e-32 6.60421136e-32 -1.18050278e-31] [ 6.60421136e-32 6.60421136e-32 3.30210568e-32] [ 5.32464541e-32 1.32084227e-32 1.15573699e-32] [ 9.24589591e-32 1.32084227e-32 4.29273738e-32]] stress = [-4.39547692e-13 -4.39547692e-13 -4.39547692e-13 4.69778670e-30 1.93077007e-61 -1.57021200e-61] energy per atom = -3.2090213231389235 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0