element(s): ['Si'] AFLOW prototype label: A_hP2_194_c Parameter names: ['a', 'c/a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['2.6864', '1.708383'] model name: Tersoff_LAMMPS_Tersoff_1988T3_Si__MO_186459956893_004 ==== Building ASE atoms object with: ==== representative atom symbols = ['Si'] representative atom coordinates = [[0.33333333 0.66666667 0.25 ]] spacegroup = 194 cell = [[2.6864, 0, 0], [-1.3432, 2.3264906447265, 0], [0, 0, 4.5894]] ========================================= Step Time Energy fmax BFGS: 0 10:53:17 -7.612443 2.513788 BFGS: 1 10:53:17 -7.680065 2.718199 BFGS: 2 10:53:17 -7.717410 0.583910 BFGS: 3 10:53:17 -7.732627 0.357759 BFGS: 4 10:53:17 -7.737535 0.053948 BFGS: 5 10:53:17 -7.737572 0.006192 BFGS: 6 10:53:17 -7.737573 0.000079 BFGS: 7 10:53:18 -7.737573 0.000001 BFGS: 8 10:53:18 -7.737573 0.000000 Minimization converged after 8 steps. Maximum force component: 1.7833697107783152e-31 eV/Angstrom Maximum stress component: 3.744589172237731e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Si', 'Si'] basis = [[0.33333333 0.66666667 0.25 ] [0.66666666 0.33333334 0.75 ]] cellpar = Cell([[2.7558883770477407, 8.8336577808009e-18, 1.012954584819434e-36], [-1.3779441885238704, 2.3866693445176113, 1.1940320439320815e-36], [6.705306715104381e-36, -3.3819104535740755e-35, 4.500363275334933]]) forces = [[ 1.78336971e-31 -3.43209661e-32 1.47923360e-31] [-8.49223672e-33 1.47089855e-32 -1.47923360e-31]] stress = [ 1.83904608e-10 1.83904608e-10 -3.74458917e-10 -3.06019686e-33 8.06136753e-45 -4.88148909e-26] energy per atom = -3.868786344304807 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0