element(s): ['Mg', 'O'] AFLOW prototype label: AB_hP4_194_c_d 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: ['3.5261', '1.2017243'] model name: Sim_LAMMPS_Buckingham_SunStirnerHagston_2006_MgO__SM_152356670345_000 ==== Building ASE atoms object with: ==== representative atom symbols = ['Mg', 'O'] representative atom coordinates = [[0.33333333 0.66666667 0.25 ] [0.33333333 0.66666667 0.75 ]] spacegroup = 194 cell = [[3.5261, 0, 0], [-1.76305, 3.0536921762843, 0], [0, 0, 4.2374]] ========================================= Step Time Energy fmax BFGS: 0 12:05:22 -83.768876 1.024910 BFGS: 1 12:05:22 -83.809935 0.882614 BFGS: 2 12:05:22 -83.903374 0.374706 BFGS: 3 12:05:22 -83.921300 0.070019 BFGS: 4 12:05:22 -83.921547 0.026014 BFGS: 5 12:05:22 -83.921564 0.025205 BFGS: 6 12:05:22 -83.921833 0.001238 BFGS: 7 12:05:22 -83.921827 0.000034 BFGS: 8 12:05:22 -83.921823 0.000002 BFGS: 9 12:05:22 -83.921827 0.000001 BFGS: 10 12:05:22 -83.921819 0.000002 BFGS: 11 12:05:22 -83.921824 0.000002 BFGS: 12 12:05:22 -83.921823 0.000000 BFGS: 13 12:05:22 -83.921825 0.000001 BFGS: 14 12:05:22 -83.921823 0.000000 BFGS: 15 12:05:22 -83.921823 0.000000 BFGS: 16 12:05:22 -83.921823 0.000000 BFGS: 17 12:05:22 -83.921823 0.000000 BFGS: 18 12:05:22 -83.921823 0.000000 BFGS: 19 12:05:22 -83.921823 0.000000 BFGS: 20 12:05:22 -83.921823 0.000000 BFGS: 21 12:05:22 -83.921823 0.000000 Minimization converged after 21 steps. Maximum force component: 2.5570607424188384e-23 eV/Angstrom Maximum stress component: 6.33097045314367e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Mg', 'Mg', 'O', 'O'] basis = [[0.33333333 0.66666667 0.25 ] [0.66666666 0.33333334 0.75 ] [0.33333333 0.66666667 0.75 ] [0.66666666 0.33333334 0.25 ]] cellpar = Cell([[3.434774170925652, -2.9049444637076314e-18, 2.4835203601652585e-37], [-1.717387085462826, 2.974601688284247, 1.5348468846970744e-36], [1.2901662536875042e-36, -1.208925083481249e-36, 4.149135665036899]]) forces = [[-2.55706074e-23 1.80439075e-23 9.15222555e-24] [ 2.55706074e-23 -1.80439075e-23 -9.15222555e-24] [-1.89411907e-24 3.28071046e-24 9.15222555e-24] [ 1.89411907e-24 -3.28071046e-24 -9.15222555e-24]] stress = [-6.33097045e-10 -6.33097045e-10 8.39897406e-12 -6.65798397e-34 -1.15319665e-33 2.43270315e-24] energy per atom = -20.98045574879871 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0