element(s): ['Si'] AFLOW prototype label: A_hP2_194_c Parameter names: ['a', 'c/a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['2.6864', '1.708383'] model name: MEAM_LAMMPS_HuangDongLiu_2018_Si__MO_050147023220_002 ==== Building ASE atoms object with: ==== representative atom symbols = ['Si'] representative atom coordinates = [[0.33333333 0.66666667 0.25 ]] spacegroup = 194 cell = [[2.6864, 0, 0], [-1.3432, 2.3264906447265, 0], [0, 0, 4.5894]] ========================================= Step Time Energy fmax BFGS: 0 17:09:56 -6.396059 6.325834 BFGS: 1 17:09:56 -7.087989 4.171354 BFGS: 2 17:09:56 -7.524642 2.502168 BFGS: 3 17:09:56 -7.763371 1.221001 BFGS: 4 17:09:56 -7.849578 0.308022 BFGS: 5 17:09:56 -7.855148 0.085879 BFGS: 6 17:09:56 -7.855592 0.118298 BFGS: 7 17:09:56 -7.856084 0.132244 BFGS: 8 17:09:56 -7.857079 0.125951 BFGS: 9 17:09:56 -7.858077 0.081017 BFGS: 10 17:09:56 -7.858519 0.023669 BFGS: 11 17:09:56 -7.858559 0.005426 BFGS: 12 17:09:57 -7.858562 0.001267 BFGS: 13 17:09:57 -7.858562 0.000228 BFGS: 14 17:09:57 -7.858562 0.000027 BFGS: 15 17:09:57 -7.858562 0.000001 BFGS: 16 17:09:57 -7.858562 0.000000 Minimization converged after 16 steps. Maximum force component: 1.8500439376523815e-32 eV/Angstrom Maximum stress component: 3.7146877081358415e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Si', 'Si'] basis = [[0.33333333 0.66666667 0.25 ] [0.66666666 0.33333334 0.75 ]] cellpar = Cell([[3.001867914257457, 5.875539810401507e-17, 2.7907040747590784e-35], [-1.5009339571287286, 2.599693872552363, 5.559594910693547e-35], [-4.397533576536888e-36, -1.0107582388932988e-35, 4.8647146933858885]]) forces = [[ 1.85004394e-32 -1.06812337e-32 -1.13764049e-67] [-1.85004394e-32 1.06812337e-32 1.13764049e-67]] stress = [-3.71468771e-10 -3.71468771e-10 -1.21818028e-11 1.11676637e-34 -8.79225495e-35 1.45054670e-26] energy per atom = -3.929281106463695 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0