element(s): ['Si'] AFLOW prototype label: A_cF4_225_a Parameter names: ['a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['3.868'] model name: SW_BalamaneHauchShi_2017Brittle_Si__MO_381114941873_003 ==== Building ASE atoms object with: ==== representative atom symbols = ['Si'] representative atom coordinates = [[0 0 0]] spacegroup = 225 cell = [[3.868, 0, 0], [0, 3.868, 0], [0, 0, 3.868]] ========================================= Step Time Energy fmax BFGS: 0 15:30:06 23.654214 54.430916 BFGS: 1 15:30:06 16.025676 47.309398 BFGS: 2 15:30:06 9.452222 40.371485 BFGS: 3 15:30:06 3.902432 33.669683 BFGS: 4 15:30:06 -0.663317 27.260677 BFGS: 5 15:30:06 -4.293402 21.204351 BFGS: 6 15:30:06 -7.045342 15.562422 BFGS: 7 15:30:06 -8.985939 10.396629 BFGS: 8 15:30:06 -10.191119 5.766428 BFGS: 9 15:30:06 -10.745379 1.726173 BFGS: 10 15:30:06 -10.806201 0.191584 BFGS: 11 15:30:07 -10.807000 0.008313 BFGS: 12 15:30:07 -10.807001 0.000044 BFGS: 13 15:30:07 -10.807001 0.000000 BFGS: 14 15:30:07 -10.807001 0.000000 Minimization converged after 14 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 3.19428947281059e-15 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Si', 'Si', 'Si', 'Si'] basis = [[0.00000000e+00 0.00000000e+00 0.00000000e+00] [0.00000000e+00 5.00000000e-01 5.00000000e-01] [5.00000000e-01 0.00000000e+00 5.00000000e-01] [5.00000000e-01 5.00000000e-01 1.66930106e-34]] cellpar = Cell([[4.326503754591095, -2.8264633137888418e-34, -4.767135871690874e-33], [-1.6141376553123272e-32, 4.326503754591095, 6.066691038257539e-19], [5.2959303508735455e-33, 6.066691038257499e-19, 4.326503754591095]]) forces = [[0. 0. 0.] [0. 0. 0.] [0. 0. 0.] [0. 0. 0.]] stress = [-3.19428947e-15 -3.19428947e-15 -3.19428947e-15 5.16157811e-33 5.48738010e-35 -2.80340492e-54] energy per atom = -2.7017502706270218 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0