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_2012GGA_Si__MO_040570764911_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 17:19:56 -21.440253 0.8083 BFGS: 1 17:19:56 -21.498924 0.3816 BFGS: 2 17:19:56 -21.515652 0.4198 BFGS: 3 17:19:56 -21.519625 0.4083 BFGS: 4 17:19:56 -21.531761 0.3213 BFGS: 5 17:19:56 -21.541835 0.1928 BFGS: 6 17:19:56 -21.547592 0.1182 BFGS: 7 17:19:56 -21.549087 0.0965 BFGS: 8 17:19:56 -21.549521 0.0774 BFGS: 9 17:19:56 -21.550056 0.0565 BFGS: 10 17:19:56 -21.551223 0.0782 BFGS: 11 17:19:56 -21.552841 0.0841 BFGS: 12 17:19:56 -21.554128 0.0496 BFGS: 13 17:19:56 -21.554491 0.0117 BFGS: 14 17:19:56 -21.554520 0.0015 BFGS: 15 17:19:56 -21.554521 0.0001 BFGS: 16 17:19:56 -21.554521 0.0000 BFGS: 17 17:19:56 -21.554521 0.0000 BFGS: 18 17:19:56 -21.554521 0.0000 BFGS: 19 17:19:56 -21.554521 0.0000 Minimization converged after 19 steps. Maximum force component: 2.592381791817391e-09 eV/Angstrom Maximum stress component: 1.7913594984038582e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si'] basis = [[8.18574130e-01 8.18574130e-01 1.45897208e-34] [1.81425870e-01 1.81425870e-01 2.43162013e-35] [1.81425870e-01 8.18574130e-01 4.86324026e-35] [8.18574130e-01 1.81425870e-01 3.64743020e-35] [3.18574130e-01 3.18574130e-01 5.00000000e-01] [6.81425870e-01 6.81425870e-01 5.00000000e-01] [6.81425870e-01 3.18574130e-01 5.00000000e-01] [3.18574130e-01 6.81425870e-01 5.00000000e-01]] cellpar = Cell([[6.6912314120413106, 1.1220273698079631e-35, 2.352368103061455e-32], [1.0153250369178932e-35, 6.691231412041311, 1.3017672996520666e-18], [1.72317626256911e-32, 7.194186440618467e-19, 3.9601784825018953]]) forces = [[-2.59238179e-09 -2.59238179e-09 -5.04325012e-28] [ 2.59238179e-09 2.59238179e-09 5.04331114e-28] [ 2.59238179e-09 -2.59238179e-09 -5.04331114e-28] [-2.59238179e-09 2.59238179e-09 5.04355520e-28] [-2.59238179e-09 -2.59238179e-09 -5.04331114e-28] [ 2.59238179e-09 2.59238179e-09 5.04361622e-28] [ 2.59238179e-09 -2.59238179e-09 -5.04343317e-28] [-2.59238179e-09 2.59238179e-09 5.04367723e-28]] stress = [ 1.77774303e-11 1.77774303e-11 1.79135950e-10 2.48066420e-26 -2.32578547e-34 -3.63605162e-50] energy per atom = -2.694315074496047 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0