element(s): ['Si'] AFLOW prototype label: A_cI12_229_d Parameter names: ['a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['6.7307'] model name: MFF_MistriotisFlytzanisFarantos_1989_Si__MO_080526771943_001 ==== Building ASE atoms object with: ==== representative atom symbols = ['Si'] representative atom coordinates = [[0.25 0. 0.5 ]] spacegroup = 229 cell = [[6.7307, 0, 0], [0, 6.7307, 0], [0, 0, 6.7307]] ========================================= Step Time Energy fmax BFGS: 0 15:45:52 -46.454114 1.507032 BFGS: 1 15:45:52 -46.547964 1.399686 BFGS: 2 15:45:52 -46.739966 1.163289 BFGS: 3 15:45:52 -46.897802 0.943917 BFGS: 4 15:45:52 -47.023922 0.740162 BFGS: 5 15:45:52 -47.120553 0.550454 BFGS: 6 15:45:52 -47.189675 0.373082 BFGS: 7 15:45:52 -47.233003 0.206217 BFGS: 8 15:45:52 -47.251971 0.047963 BFGS: 9 15:45:52 -47.253091 0.001409 BFGS: 10 15:45:52 -47.253092 0.000009 BFGS: 11 15:45:52 -47.253092 0.000000 Minimization converged after 11 steps. Maximum force component: 2.1695166093325704e-30 eV/Angstrom Maximum stress component: 6.154348027225486e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si'] basis = [[2.50000000e-01 0.00000000e+00 5.00000000e-01] [7.50000000e-01 7.20715150e-33 5.00000000e-01] [5.00000000e-01 2.50000000e-01 0.00000000e+00] [5.00000000e-01 7.50000000e-01 1.10879254e-34] [6.85772384e-36 5.00000000e-01 2.50000000e-01] [0.00000000e+00 5.00000000e-01 7.50000000e-01] [9.34689435e-36 2.50000000e-01 5.00000000e-01] [0.00000000e+00 7.50000000e-01 5.00000000e-01] [2.50000000e-01 5.00000000e-01 0.00000000e+00] [7.50000000e-01 5.00000000e-01 1.10879254e-34] [5.00000000e-01 3.43725687e-33 7.50000000e-01] [5.00000000e-01 3.60357575e-33 2.50000000e-01]] cellpar = Cell([[6.947845975643485, -5.187893764986847e-32, -2.0453349063184109e-32], [-2.1668925627559494e-32, 6.947845975643485, -7.911545127249106e-18], [9.931697044940119e-33, -7.911545127249242e-18, 6.947845975643485]]) forces = [[-2.01251212e-30 1.50272460e-62 5.92451430e-63] [-8.56388135e-31 6.39457277e-63 2.52106992e-63] [-4.80762233e-63 1.54149864e-30 -1.75531181e-48] [-3.58345924e-63 1.14898741e-30 -1.30835741e-48] [ 2.85641108e-63 -2.27540420e-48 1.99823898e-30] [-1.22417618e-63 9.75173227e-49 -8.56388135e-31] [ 1.78060086e-63 -5.70925424e-31 6.50115484e-49] [-4.56278971e-63 1.46299640e-30 -1.66592093e-48] [ 3.92511229e-31 -2.93084585e-63 -1.15549038e-63] [ 2.16951661e-30 -1.61995843e-62 -6.38671045e-63] [-2.04029363e-63 1.62528871e-48 -1.42731356e-30] [ 1.95868188e-63 -1.56027716e-48 1.37022102e-30]] stress = [-6.15434803e-11 -6.15434803e-11 -6.15434803e-11 2.56160016e-27 1.06391971e-34 -2.45067272e-51] energy per atom = -3.9377576808437613 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0