element(s): ['As'] AFLOW prototype label: A_tI4_139_e 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: ['2.7658', '4.1138911', '0.89042163'] model name: Tersoff_LAMMPS_AlbeNordlundNord_2002_GaAs__MO_799020228312_004 ==== Building ASE atoms object with: ==== representative atom symbols = ['As'] representative atom coordinates = [[0. 0. 0.89042163]] spacegroup = 139 cell = [[2.7658, 0, 0], [0, 2.7658, 0], [0, 0, 11.3782]] ========================================= Step Time Energy fmax BFGS: 0 20:00:55 -10.995707 1.455771 BFGS: 1 20:00:55 -11.063977 1.381375 BFGS: 2 20:00:55 -11.204231 1.180080 BFGS: 3 20:00:55 -11.312816 0.943061 BFGS: 4 20:00:55 -11.389515 0.644841 BFGS: 5 20:00:55 -11.432002 0.404308 BFGS: 6 20:00:55 -11.448136 0.394333 BFGS: 7 20:00:56 -11.457788 0.248073 BFGS: 8 20:00:56 -11.463434 0.046679 BFGS: 9 20:00:56 -11.463701 0.004413 BFGS: 10 20:00:56 -11.463704 0.000280 BFGS: 11 20:00:56 -11.463704 0.000026 BFGS: 12 20:00:56 -11.463704 0.000001 BFGS: 13 20:00:56 -11.463704 0.000000 BFGS: 14 20:00:56 -11.463704 0.000000 Minimization converged after 14 steps. Maximum force component: 6.276541899066797e-10 eV/Angstrom Maximum stress component: 4.092971625435706e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['As', 'As', 'As', 'As'] basis = [[0.00000000e+00 0.00000000e+00 8.91453315e-01] [7.84854849e-37 5.97105099e-34 1.08546685e-01] [5.00000000e-01 5.00000000e-01 3.91453315e-01] [5.00000000e-01 5.00000000e-01 6.08546685e-01]] cellpar = Cell([[2.5803563848051057, 1.9716016999784244e-36, -1.7745517701357971e-32], [-6.619385339383834e-36, 2.580356384805105, -1.644909191609129e-17], [8.961648635230268e-33, -6.811344693023062e-17, 11.335095469863873]]) forces = [[ 7.95133701e-33 -3.77163745e-27 6.27654190e-10] [ 6.95741988e-33 3.77161360e-27 -6.27654190e-10] [ 7.95133701e-33 -3.77162354e-27 6.27654190e-10] [-4.96230167e-43 3.77161608e-27 -6.27654190e-10]] stress = [ 3.92893815e-11 3.92893815e-11 4.09297163e-11 -7.96641259e-26 -1.68568172e-33 3.10130207e-48] energy per atom = -2.8659260407702205 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0