element(s): ['Si'] AFLOW prototype label: A_tI8_139_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: ['6.6881', '0.57703982', '0.8213634'] model name: SNAP_ZuoChenLi_2019_Si__MO_869330304805_000 ==== Building ASE atoms object with: ==== representative atom symbols = ['Si'] representative atom coordinates = [[0.8213634 0.8213634 0. ]] spacegroup = 139 cell = [[6.6881, 0, 0], [0, 6.6881, 0], [0, 0, 3.8593]] ========================================= Step Time Energy fmax BFGS: 0 17:32:47 -42.315261 0.313912 BFGS: 1 17:32:47 -42.325644 0.205081 BFGS: 2 17:32:47 -42.338922 0.268088 BFGS: 3 17:32:47 -42.342763 0.266967 BFGS: 4 17:32:47 -42.363444 0.279750 BFGS: 5 17:32:47 -42.379069 0.260814 BFGS: 6 17:32:47 -42.388840 0.200350 BFGS: 7 17:32:47 -42.390798 0.161022 BFGS: 8 17:32:47 -42.391754 0.129936 BFGS: 9 17:32:47 -42.392713 0.096875 BFGS: 10 17:32:47 -42.394229 0.059992 BFGS: 11 17:32:47 -42.395319 0.038643 BFGS: 12 17:32:47 -42.395641 0.010818 BFGS: 13 17:32:47 -42.395672 0.002173 BFGS: 14 17:32:47 -42.395674 0.000184 BFGS: 15 17:32:47 -42.395674 0.000009 BFGS: 16 17:32:47 -42.395674 0.000000 BFGS: 17 17:32:47 -42.395674 0.000000 BFGS: 18 17:32:47 -42.395674 0.000000 Minimization converged after 18 steps. Maximum force component: 1.0288525917724962e-09 eV/Angstrom Maximum stress component: 8.348638522452864e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si'] basis = [[8.17480877e-01 8.17480877e-01 1.94720701e-34] [1.82519123e-01 1.82519123e-01 1.94720701e-34] [1.82519123e-01 8.17480877e-01 0.00000000e+00] [8.17480877e-01 1.82519123e-01 1.46040526e-34] [3.17480877e-01 3.17480877e-01 5.00000000e-01] [6.82519123e-01 6.82519123e-01 5.00000000e-01] [6.82519123e-01 3.17480877e-01 5.00000000e-01] [3.17480877e-01 6.82519123e-01 5.00000000e-01]] cellpar = Cell([[6.5549365353331766, -1.1432894982366646e-35, 1.9474543160340173e-34], [-1.0073687763730563e-35, 6.5549365353331766, 6.881511550550894e-18], [9.180139276378052e-33, 3.985519994093998e-18, 3.9562921309894814]]) forces = [[-1.02885259e-09 -1.02885259e-09 -1.08008691e-27] [ 1.02885259e-09 1.02885259e-09 1.08011130e-27] [ 1.02885259e-09 -1.02885259e-09 -1.08011130e-27] [-1.02885259e-09 1.02885259e-09 1.08013568e-27] [-1.02885259e-09 -1.02885259e-09 -1.08006253e-27] [ 1.02885259e-09 1.02885259e-09 1.08011130e-27] [ 1.02885259e-09 -1.02885259e-09 -1.08011130e-27] [-1.02885259e-09 1.02885259e-09 1.08008691e-27]] stress = [-8.34863852e-11 -8.34863852e-11 4.66246107e-11 8.07875828e-28 -5.94119255e-35 1.85393661e-50] energy per atom = -2.136214345101948 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0