element(s): ['Si'] 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: ['3.8496', '1.6527431', '0.56294015'] model name: SW_ZhangXieHu_2014OptimizedSW1_Si__MO_800412945727_005 ==== Building ASE atoms object with: ==== representative atom symbols = ['Si'] representative atom coordinates = [[0.33333333 0.66666667 0.56294015]] spacegroup = 194 cell = [[3.8496, 0, 0], [-1.9248, 3.3338513944086, 0], [0, 0, 6.3624]] ========================================= Step Time Energy fmax BFGS: 0 14:38:54 -13.166468 1.773012 BFGS: 1 14:38:54 -13.277158 1.596501 BFGS: 2 14:38:54 -13.462513 1.234697 BFGS: 3 14:38:54 -13.600310 0.851713 BFGS: 4 14:38:54 -13.686575 0.448006 BFGS: 5 14:38:54 -13.717258 0.044819 BFGS: 6 14:38:54 -13.717378 0.027491 BFGS: 7 14:38:54 -13.717483 0.033237 BFGS: 8 14:38:54 -13.717550 0.037939 BFGS: 9 14:38:54 -13.717691 0.039132 BFGS: 10 14:38:54 -13.717825 0.027986 BFGS: 11 14:38:54 -13.717894 0.013219 BFGS: 12 14:38:54 -13.717906 0.002482 BFGS: 13 14:38:54 -13.717907 0.000127 BFGS: 14 14:38:54 -13.717907 0.000016 BFGS: 15 14:38:54 -13.717907 0.000001 BFGS: 16 14:38:54 -13.717907 0.000000 BFGS: 17 14:38:54 -13.717907 0.000000 Minimization converged after 17 steps. Maximum force component: 1.3278615637182911e-09 eV/Angstrom Maximum stress component: 2.416646206699328e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Si', 'Si', 'Si', 'Si'] basis = [[0.33333333 0.66666667 0.5625 ] [0.66666666 0.33333334 0.0625 ] [0.66666666 0.33333334 0.4375 ] [0.33333333 0.66666667 0.9375 ]] cellpar = Cell([[3.6610831738404275, -2.732794598419137e-18, 1.4718257862248643e-36], [-1.8305415869202137, 3.170591033913569, -4.1168980934992637e-38], [-9.52217955147144e-36, -8.047432132952903e-36, 5.9785237885704925]]) forces = [[-6.01684456e-32 -1.04214805e-31 -1.32786156e-09] [ 6.01684456e-32 3.12644414e-31 -1.32786156e-09] [-1.80505337e-31 -3.12644414e-31 1.32786156e-09] [ 1.80505337e-31 1.04214805e-31 1.32786156e-09]] stress = [2.29896485e-10 2.29896485e-10 2.41664621e-10 1.13795299e-33 9.38567803e-35 1.36869930e-26] energy per atom = -3.4294766880110834 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0