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: ThreeBodyCluster_KP_KaxirasPandey_1988_Si__MO_072486242437_000 ==== 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 16:40:32 -11.638068 6.175994 BFGS: 1 16:40:32 -12.333777 5.124831 BFGS: 2 16:40:32 -13.028329 4.154393 BFGS: 3 16:40:32 -13.585381 3.289714 BFGS: 4 16:40:32 -14.020019 2.520584 BFGS: 5 16:40:32 -14.345868 1.837710 BFGS: 6 16:40:32 -14.575222 1.232647 BFGS: 7 16:40:32 -14.719168 0.697733 BFGS: 8 16:40:32 -14.787701 0.226023 BFGS: 9 16:40:32 -14.796485 0.020534 BFGS: 10 16:40:32 -14.796561 0.000693 BFGS: 11 16:40:32 -14.796561 0.000002 BFGS: 12 16:40:32 -14.796561 0.000000 Minimization converged after 12 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 1.376248754538378e-11 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 7.19912685e-34]] cellpar = Cell([[4.28036340177305, -4.071132206340654e-32, 1.8292720828553506e-32], [-6.824765053619917e-32, 4.28036340177305, -1.9043123038618476e-17], [4.446921915682176e-32, -1.9043123038618516e-17, 4.28036340177305]]) forces = [[0. 0. 0.] [0. 0. 0.] [0. 0. 0.] [0. 0. 0.]] stress = [-1.37624875e-11 -1.37624875e-11 -1.37624875e-11 2.96258257e-27 -2.24252824e-34 5.71585619e-50] energy per atom = -3.699140274232817 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0