element(s): ['Zn'] 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: ['2.6771', '1.7211908'] model name: Tersoff_LAMMPS_ErhartJuslinGoy_2006_ZnO__MO_616776018688_004 ==== Building ASE atoms object with: ==== representative atom symbols = ['Zn'] representative atom coordinates = [[0.33333333 0.66666667 0.25 ]] spacegroup = 194 cell = [[2.6771, 0, 0], [-1.33855, 2.3184366084713, 0], [0, 0, 4.6078]] ========================================= Step Time Energy fmax BFGS: 0 14:16:48 -2.590724 1.520974 BFGS: 1 14:16:48 -2.620086 1.097235 BFGS: 2 14:16:48 -2.650463 0.404997 BFGS: 3 14:16:48 -2.654819 0.326928 BFGS: 4 14:16:48 -2.659707 0.034136 BFGS: 5 14:16:48 -2.659748 0.003427 BFGS: 6 14:16:48 -2.659748 0.000098 BFGS: 7 14:16:48 -2.659748 0.000002 BFGS: 8 14:16:48 -2.659748 0.000000 BFGS: 9 14:16:48 -2.659748 0.000000 Minimization converged after 9 steps. Maximum force component: 7.228502071167209e-32 eV/Angstrom Maximum stress component: 1.0004335077128447e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Zn', 'Zn'] basis = [[0.33333333 0.66666667 0.25 ] [0.66666666 0.33333334 0.75 ]] cellpar = Cell([[2.700186161681105, -7.356007489681042e-18, 1.836147212060239e-36], [-1.3500930808405525, 2.338429810963032, 3.9333032425528845e-36], [-1.1465997186611212e-36, -8.070514134520133e-36, 4.398343194847734]]) forces = [[-1.88439102e-68 -1.32635689e-67 7.22850207e-32] [ 1.88439102e-68 1.32635689e-67 -7.22850207e-32]] stress = [3.24831888e-12 3.24831888e-12 1.00043351e-11 7.49008980e-34 6.05416751e-34 1.30681040e-27] energy per atom = -1.3298742203523384 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0