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: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 ==== 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 15:44:55 -39.660949 5.715925 BFGS: 1 15:44:55 -40.513739 5.666728 BFGS: 2 15:44:55 -41.354654 5.539278 BFGS: 3 15:44:55 -42.173538 5.372122 BFGS: 4 15:44:55 -42.964035 5.159828 BFGS: 5 15:44:55 -43.718925 4.896295 BFGS: 6 15:44:55 -44.430020 4.574670 BFGS: 7 15:44:55 -45.088038 4.187255 BFGS: 8 15:44:55 -45.682476 3.725399 BFGS: 9 15:44:56 -46.201452 3.179384 BFGS: 10 15:44:56 -46.631540 2.538289 BFGS: 11 15:44:56 -46.957711 1.837682 BFGS: 12 15:44:56 -47.169921 0.970376 BFGS: 13 15:44:56 -47.241999 0.033486 BFGS: 14 15:44:56 -47.242077 0.002380 BFGS: 15 15:44:56 -47.242077 0.000005 BFGS: 16 15:44:56 -47.242077 0.000000 Minimization converged after 16 steps. Maximum force component: 8.127918048215781e-31 eV/Angstrom Maximum stress component: 2.608071820750077e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Sn', 'Sn', 'Sn', 'Sn', 'Sn', 'Sn', 'Sn', 'Sn'] basis = [[0.0000000e+00 0.0000000e+00 0.0000000e+00] [0.0000000e+00 5.0000000e-01 5.0000000e-01] [5.0000000e-01 5.0000000e-01 0.0000000e+00] [5.0000000e-01 1.9938401e-33 5.0000000e-01] [7.5000000e-01 2.5000000e-01 7.5000000e-01] [2.5000000e-01 2.5000000e-01 2.5000000e-01] [2.5000000e-01 7.5000000e-01 7.5000000e-01] [7.5000000e-01 7.5000000e-01 2.5000000e-01]] cellpar = Cell([[6.182016115455957, -5.7161485360308986e-33, -1.818998381751332e-32], [8.276621743055829e-33, 6.182016115455957, -7.897760601744161e-17], [-2.2180913076058073e-32, -7.897760601744164e-17, 6.182016115455957]]) forces = [[ 1.26998720e-32 4.19095774e-31 2.79397183e-31] [ 1.01598976e-31 -7.61992317e-32 -1.26998720e-32] [ 1.01598976e-31 -2.53997439e-32 2.03197951e-31] [ 2.53997439e-31 -5.96893982e-31 2.53997439e-31] [-2.03197951e-31 2.53997439e-31 1.46048527e-31] [-4.44495518e-32 -8.12791805e-31 -1.52398463e-31] [-3.61946351e-31 -5.84194110e-31 3.27021703e-31] [ 1.52398463e-31 5.71494238e-32 2.03197951e-31]] stress = [-2.60807182e-11 -2.60807182e-11 -2.60807182e-11 5.20282298e-27 1.14181789e-59 -5.43763727e-60] energy per atom = -5.905259647969808 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0