element(s): ['Ga', 'N'] AFLOW prototype label: AB_cF8_225_a_b Parameter names: ['a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['4.2456'] model name: Tersoff_LAMMPS_NordAlbeErhart_2003_GaN__MO_612061685362_004 ==== Building ASE atoms object with: ==== representative atom symbols = ['Ga', 'N'] representative atom coordinates = [[0. 0. 0. ] [0.5 0.5 0.5]] spacegroup = 225 cell = [[4.2456, 0, 0], [0, 4.2456, 0], [0, 0, 4.2456]] ========================================= Step Time Energy fmax BFGS: 0 12:10:28 -29.755642 0.395379 BFGS: 1 12:10:28 -29.762200 0.379299 BFGS: 2 12:10:28 -29.814962 0.309241 BFGS: 3 12:10:28 -29.839832 0.025814 BFGS: 4 12:10:28 -29.840015 0.001019 BFGS: 5 12:10:28 -29.840015 0.000004 BFGS: 6 12:10:28 -29.840015 0.000000 Minimization converged after 6 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 5.038619588258352e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Ga', 'Ga', 'Ga', 'Ga', 'N', 'N', 'N', 'N'] basis = [[0.00000000e+00 0.00000000e+00 0.00000000e+00] [6.35872231e-49 5.00000000e-01 5.00000000e-01] [5.00000000e-01 0.00000000e+00 5.00000000e-01] [5.00000000e-01 5.00000000e-01 0.00000000e+00] [5.00000000e-01 5.00000000e-01 5.00000000e-01] [5.00000000e-01 1.27174446e-48 0.00000000e+00] [6.35872231e-49 5.00000000e-01 0.00000000e+00] [0.00000000e+00 0.00000000e+00 5.00000000e-01]] cellpar = Cell([[4.30418396956484, 3.443020095856396e-32, -6.568141797374424e-34], [2.647261454910368e-32, 4.30418396956484, 6.248076270609368e-18], [7.298900593484755e-35, 6.248076270609369e-18, 4.30418396956484]]) forces = [[0. 0. 0.] [0. 0. 0.] [0. 0. 0.] [0. 0. 0.] [0. 0. 0.] [0. 0. 0.] [0. 0. 0.] [0. 0. 0.]] stress = [-5.03861959e-11 -5.03861959e-11 -5.03861959e-11 -1.46804871e-28 -3.00611694e-38 -7.09193790e-56] energy per atom = -3.730001898323802 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0