element(s): ['N'] AFLOW prototype label: A_oP2_51_e Parameter names: ['a', 'b/a', 'c/a', 'z1'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['7.3041', '0.4598787', '0.18035076', '0.73032605'] model name: Tersoff_LAMMPS_KinaciHaskinsSevik_2012_BNC__MO_105008013807_000 ==== Building ASE atoms object with: ==== representative atom symbols = ['N'] representative atom coordinates = [[0.25 0. 0.73032605]] spacegroup = 51 cell = [[7.3041, 0, 0], [0, 3.359, 0], [0, 0, 1.3173]] ========================================= Step Time Energy fmax BFGS: 0 17:15:46 -1.869749 2.410185 BFGS: 1 17:15:46 -1.954307 2.501816 BFGS: 2 17:15:46 -2.082792 2.638215 BFGS: 3 17:15:46 -2.218188 2.778181 BFGS: 4 17:15:46 -2.360661 2.921180 BFGS: 5 17:15:46 -2.510345 3.066549 BFGS: 6 17:15:46 -2.667341 3.213470 BFGS: 7 17:15:46 -2.831702 3.360952 BFGS: 8 17:15:46 -3.003426 3.507805 BFGS: 9 17:15:46 -3.084634 2.822248 BFGS: 10 17:15:46 -3.096776 2.014737 BFGS: 11 17:15:46 -3.105069 0.199353 BFGS: 12 17:15:46 -3.105156 0.008306 BFGS: 13 17:15:46 -3.105156 0.000048 BFGS: 14 17:15:46 -3.105156 0.000000 BFGS: 15 17:15:46 -3.105156 0.000000 Minimization converged after 15 steps. Maximum force component: 1.1102230246251565e-16 eV/Angstrom Maximum stress component: 5.602596572372853e-15 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['N', 'N'] basis = [[2.5000000e-01 9.1249822e-36 7.3032605e-01] [7.5000000e-01 0.0000000e+00 2.6967395e-01]] cellpar = Cell([[7.3041, 7.167050998761671e-36, 0.0], [9.887922251135877e-36, 3.359, 0.0], [0.0, 0.0, 1.0403034225200292]]) forces = [[ 0.00000000e+00 0.00000000e+00 1.11022302e-16] [ 0.00000000e+00 0.00000000e+00 -1.11022302e-16]] stress = [-9.56719193e-174 -7.08467212e-102 5.60259657e-015 0.00000000e+000 0.00000000e+000 -4.41063766e-138] energy per atom = -1.5525779460870288 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0