element(s): ['N'] AFLOW prototype label: A_hP4_194_f Parameter names: ['a', 'c/a', 'z1'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['4.2753', '1.6578954', '0.32853587'] model name: Tersoff_LAMMPS_NordAlbeErhart_2003_GaN__MO_612061685362_004 ==== Building ASE atoms object with: ==== representative atom symbols = ['N'] representative atom coordinates = [[0.33333333 0.66666667 0.32853587]] spacegroup = 194 cell = [[4.2753, 0, 0], [-2.13765, 3.7025184087996, 0], [0, 0, 7.088]] ========================================= Step Time Energy fmax BFGS: 0 15:29:06 -19.819077 0.2767 BFGS: 1 15:29:06 -19.817712 0.4428 BFGS: 2 15:29:06 -19.820000 0.0040 BFGS: 3 15:29:06 -19.820000 0.0001 BFGS: 4 15:29:06 -19.820000 0.0000 Minimization converged after 4 steps. Maximum force component: 7.784230149354697e-09 eV/Angstrom Maximum stress component: 1.5405481678315557e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['N', 'N', 'N', 'N'] basis = [[0.33333333 0.66666667 0.32831833] [0.66666666 0.33333334 0.82831833] [0.66666666 0.33333334 0.67168167] [0.33333333 0.66666667 0.17168167]] cellpar = Cell([[4.275299999999996, -4.352163492858362e-32, 1.4159914044940047e-37], [-2.137649999999998, 3.702518408799607, 1.4160112244375479e-37], [4.622665485121988e-40, -5.405075976825853e-37, 7.086463248537752]]) forces = [[ 5.07783512e-49 -2.83358117e-41 7.78423015e-09] [ 1.63593462e-41 -2.83358117e-41 7.78423015e-09] [-1.63593462e-41 2.83358117e-41 -7.78423015e-09] [-5.07783512e-49 2.83358117e-41 -7.78423015e-09]] stress = [-1.30989716e-41 -1.30989716e-41 -1.54054817e-10 -2.91602152e-43 5.05227884e-43 6.73192452e-58] energy per atom = -4.955000000000002 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0