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: SW_LeeHwang_2012LDA_Si__MO_517338295712_001 ==== 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 17:32:19 -22.801777 0.374984 BFGS: 1 17:32:19 -22.814514 0.196997 BFGS: 2 17:32:19 -22.821794 0.227995 BFGS: 3 17:32:19 -22.823741 0.227228 BFGS: 4 17:32:19 -22.833292 0.176141 BFGS: 5 17:32:19 -22.840233 0.173343 BFGS: 6 17:32:19 -22.843987 0.169020 BFGS: 7 17:32:19 -22.844767 0.148836 BFGS: 8 17:32:19 -22.845393 0.125951 BFGS: 9 17:32:19 -22.846504 0.087410 BFGS: 10 17:32:19 -22.848191 0.086114 BFGS: 11 17:32:19 -22.849545 0.058925 BFGS: 12 17:32:19 -22.849997 0.018169 BFGS: 13 17:32:19 -22.850048 0.002902 BFGS: 14 17:32:19 -22.850049 0.000237 BFGS: 15 17:32:19 -22.850049 0.000016 BFGS: 16 17:32:19 -22.850049 0.000001 BFGS: 17 17:32:19 -22.850049 0.000000 Minimization converged after 17 steps. Maximum force component: 4.132963039079479e-09 eV/Angstrom Maximum stress component: 2.5474596723197477e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si'] basis = [[0.81870305 0.81870305 0. ] [0.18129695 0.18129695 0. ] [0.18129695 0.81870305 0. ] [0.81870305 0.18129695 0. ] [0.31870305 0.31870305 0.5 ] [0.68129695 0.68129695 0.5 ] [0.68129695 0.31870305 0.5 ] [0.31870305 0.68129695 0.5 ]] cellpar = Cell([[6.587569407664777, -6.417386189885728e-36, -2.2120567880073357e-32], [-6.215180115383111e-36, 6.587569407664777, -9.135779224858163e-18], [-1.0597116942630801e-33, -5.12227332861325e-18, 3.9093375331642597]]) forces = [[ 4.13296304e-09 4.13296304e-09 -5.73167970e-27] [-4.13296304e-09 -4.13296304e-09 5.73165561e-27] [-4.13296304e-09 4.13296304e-09 -5.73165561e-27] [ 4.13296304e-09 -4.13296304e-09 5.73167970e-27] [ 4.13296304e-09 4.13296304e-09 -5.73167970e-27] [-4.13296304e-09 -4.13296304e-09 5.73165561e-27] [-4.13296304e-09 4.13296304e-09 -5.73165561e-27] [ 4.13296304e-09 -4.13296304e-09 5.73167970e-27]] stress = [ 1.32921522e-10 1.32921522e-10 -2.54745967e-10 1.07482374e-26 -4.48707535e-35 9.30987212e-52] energy per atom = -2.8562561644404414 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0