element(s): ['Ca'] 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: ['3.8897', '1.6595367'] model name: Morse_Shifted_GirifalcoWeizer_1959MedCutoff_Ca__MO_562200212426_004 ==== Building ASE atoms object with: ==== representative atom symbols = ['Ca'] representative atom coordinates = [[0.33333333 0.66666667 0.25 ]] spacegroup = 194 cell = [[3.8897, 0, 0], [-1.94485, 3.3685790131003, 0], [0, 0, 6.4551]] ========================================= Step Time Energy fmax BFGS: 0 18:00:47 -3.661425 0.147187 BFGS: 1 18:00:47 -3.662016 0.133471 BFGS: 2 18:00:47 -3.664849 0.036515 BFGS: 3 18:00:47 -3.664879 0.036086 BFGS: 4 18:00:47 -3.664924 0.030633 BFGS: 5 18:00:47 -3.664978 0.017928 BFGS: 6 18:00:47 -3.665011 0.006341 BFGS: 7 18:00:47 -3.665018 0.001623 BFGS: 8 18:00:47 -3.665018 0.000233 BFGS: 9 18:00:47 -3.665018 0.000022 BFGS: 10 18:00:47 -3.665018 0.000001 BFGS: 11 18:00:47 -3.665018 0.000000 Minimization converged after 11 steps. Maximum force component: 2.6417151758202704e-32 eV/Angstrom Maximum stress component: 2.1763394955422024e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Ca', 'Ca'] basis = [[0.33333333 0.66666667 0.25 ] [0.66666666 0.33333334 0.75 ]] cellpar = Cell([[3.9384925078300017, -6.578528103663761e-18, 2.531384092361692e-37], [-1.9692462539150009, 3.4108345643954645, -1.2827237176801046e-36], [1.3258052214580626e-36, -1.8591748640610454e-36, 6.42964191026033]]) forces = [[-2.02273618e-33 3.37860914e-51 -2.64171518e-32] [ 5.44727035e-69 -7.63869982e-69 2.64171518e-32]] stress = [-2.17633950e-10 -2.17633950e-10 1.28625255e-12 -3.74698331e-34 4.14595990e-47 4.72065510e-26] energy per atom = -1.8325090772314054 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0