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: Sim_LAMMPS_ModifiedTersoff_PurjaPunMishin_2017_Si__SM_184524061456_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 17:32:56 -36.458075 0.443935 BFGS: 1 17:32:56 -36.466001 0.435579 BFGS: 2 17:32:56 -36.506245 0.328667 BFGS: 3 17:32:56 -36.528966 0.310147 BFGS: 4 17:32:56 -36.543552 0.216138 BFGS: 5 17:32:56 -36.548306 0.140186 BFGS: 6 17:32:56 -36.549107 0.113802 BFGS: 7 17:32:56 -36.549490 0.096184 BFGS: 8 17:32:56 -36.550139 0.060161 BFGS: 9 17:32:56 -36.550749 0.040226 BFGS: 10 17:32:56 -36.551013 0.016153 BFGS: 11 17:32:56 -36.551052 0.002590 BFGS: 12 17:32:56 -36.551053 0.000388 BFGS: 13 17:32:56 -36.551053 0.000017 BFGS: 14 17:32:56 -36.551053 0.000001 BFGS: 15 17:32:56 -36.551053 0.000000 Minimization converged after 15 steps. Maximum force component: 3.747812241106098e-09 eV/Angstrom Maximum stress component: 3.5262275760610023e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si'] basis = [[8.19837109e-01 8.19837109e-01 0.00000000e+00] [1.80162891e-01 1.80162891e-01 0.00000000e+00] [1.80162891e-01 8.19837109e-01 0.00000000e+00] [8.19837109e-01 1.80162891e-01 4.90979984e-35] [3.19837109e-01 3.19837109e-01 5.00000000e-01] [6.80162891e-01 6.80162891e-01 5.00000000e-01] [6.80162891e-01 3.19837109e-01 5.00000000e-01] [3.19837109e-01 6.80162891e-01 5.00000000e-01]] cellpar = Cell([[6.559291768894132, -1.89942216747084e-36, 1.5731233305783782e-33], [1.810825621783445e-37, 6.559291768894133, 3.59277000972129e-18], [2.8729888980818986e-37, 1.9431907883971564e-18, 3.9226241576627343]]) forces = [[ 3.74781224e-09 3.74781224e-09 2.05281727e-27] [-3.74781224e-09 -3.74781224e-09 -2.05281727e-27] [-3.74781224e-09 3.74781224e-09 2.05281727e-27] [ 3.74781224e-09 -3.74781224e-09 -2.05281727e-27] [ 3.74781224e-09 3.74781224e-09 2.05281727e-27] [-3.74781224e-09 -3.74781224e-09 -2.05281727e-27] [-3.74781224e-09 3.74781224e-09 2.05281727e-27] [ 3.74781224e-09 -3.74781224e-09 -2.05281727e-27]] stress = [-3.52622758e-10 -3.52622758e-10 -2.81049844e-10 -3.91489902e-26 -2.39528291e-34 5.91929213e-64] energy per atom = -4.568881674519842 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0