element(s): ['Sn'] AFLOW prototype label: A_tI2_139_a Parameter names: ['a', 'c/a'] model type (only 'standard' supported at this time): standard number of parameter sets: 2 Parameter values for parameter set 0: ['4.0868', '0.85281883'] Parameter values for parameter set 1: ['3.4699', '1.4037869'] model name: MEAM_LAMMPS_KimKoLee_2020_NaSn__MO_329881861557_002 ==== Building ASE atoms object with: ==== representative atom symbols = ['Sn'] representative atom coordinates = [[0 0 0]] spacegroup = 139 cell = [[4.0868, 0, 0], [0, 4.0868, 0], [0, 0, 3.4853]] ========================================= Step Time Energy fmax BFGS: 0 17:10:42 -6.033671 1.0968 BFGS: 1 17:10:42 -6.076032 0.9330 BFGS: 2 17:10:42 -6.157243 0.2841 BFGS: 3 17:10:42 -6.162865 0.1026 BFGS: 4 17:10:42 -6.163190 0.0479 BFGS: 5 17:10:42 -6.163238 0.0430 BFGS: 6 17:10:42 -6.163594 0.0062 BFGS: 7 17:10:42 -6.163607 0.0012 BFGS: 8 17:10:42 -6.163607 0.0001 BFGS: 9 17:10:42 -6.163607 0.0000 BFGS: 10 17:10:42 -6.163607 0.0000 BFGS: 11 17:10:42 -6.163607 0.0000 BFGS: 12 17:10:42 -6.163607 0.0000 Minimization converged after 12 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 3.1064506861499875e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Sn', 'Sn'] basis = [[0. 0. 0. ] [0.5 0.5 0.5]] cellpar = Cell([[3.9064275286757137, -7.38488824225938e-34, -2.936441485122082e-35], [-6.873079068498833e-34, 3.9064275286757146, 1.2572349308568947e-20], [2.248768113273182e-34, 1.0743388505039086e-20, 3.3972108200867464]]) forces = [[0. 0. 0.] [0. 0. 0.]] stress = [-3.10645069e-11 -3.10645069e-11 2.53456926e-11 -2.22502755e-28 7.25618288e-36 -1.00699766e-52] energy per atom = -3.081803459094112 =============================================== ==== Building ASE atoms object with: ==== representative atom symbols = ['Sn'] representative atom coordinates = [[0 0 0]] spacegroup = 139 cell = [[3.4699, 0, 0], [0, 3.4699, 0], [0, 0, 4.871]] ========================================= Step Time Energy fmax BFGS: 0 17:10:44 -5.921209 1.3582 BFGS: 1 17:10:44 -5.994954 1.1827 BFGS: 2 17:10:44 -6.129542 0.6028 BFGS: 3 17:10:44 -6.160390 0.2556 BFGS: 4 17:10:44 -6.164192 0.0410 BFGS: 5 17:10:44 -6.164266 0.0297 BFGS: 6 17:10:44 -6.164293 0.0330 BFGS: 7 17:10:44 -6.164376 0.0305 BFGS: 8 17:10:44 -6.164420 0.0167 BFGS: 9 17:10:44 -6.164435 0.0038 BFGS: 10 17:10:44 -6.164436 0.0004 BFGS: 11 17:10:44 -6.164436 0.0000 BFGS: 12 17:10:44 -6.164436 0.0000 BFGS: 13 17:10:44 -6.164436 0.0000 BFGS: 14 17:10:44 -6.164436 0.0000 Minimization converged after 14 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 8.489527408271523e-12 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Sn', 'Sn'] basis = [[0. 0. 0. ] [0.5 0.5 0.5]] cellpar = Cell([[3.2764877053821952, -2.579843111561528e-34, -2.378405154819668e-32], [2.887251850369148e-35, 3.2764877053821944, -7.542961757683829e-19], [-5.636403872389649e-34, 4.1831523801928843e-16, 4.633653349801673]]) forces = [[0. 0. 0.] [0. 0. 0.]] stress = [8.48952741e-12 8.48952741e-12 1.72544489e-12 2.77176550e-29 8.11873520e-34 1.42936553e-49] energy per atom = -3.082217824980722 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0 Parameter sets [1] relaxed to duplicate structures, attempting to write only one of them. Prototype label changed during relaxation: test template prototype is A_tI2_139_a, while relaxed is A_cF4_225_a. Skipping parameter set 1. No parameter sets in this group successfully added a property instance. Skipping this group.