element(s): ['Ca'] AFLOW prototype label: A_oC2_65_a Parameter names: ['a', 'b/a', 'c/a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['3.7599', '1.719966', '0.92776404'] model name: Morse_Shifted_GirifalcoWeizer_1959LowCutoff_Ca__MO_887105884651_004 ==== Building ASE atoms object with: ==== representative atom symbols = ['Ca'] representative atom coordinates = [[0 0 0]] spacegroup = 65 cell = [[3.7599, 0, 0], [0, 6.4669, 0], [0, 0, 3.4883]] ========================================= Step Time Energy fmax BFGS: 0 16:43:19 -3.000446 0.625389 BFGS: 1 16:43:19 -3.010290 0.624572 BFGS: 2 16:43:19 -3.046283 0.226236 BFGS: 3 16:43:19 -3.054100 0.054920 BFGS: 4 16:43:19 -3.054332 0.030903 BFGS: 5 16:43:19 -3.054358 0.024757 BFGS: 6 16:43:19 -3.054411 0.018301 BFGS: 7 16:43:19 -3.054435 0.007371 BFGS: 8 16:43:19 -3.054442 0.006543 BFGS: 9 16:43:19 -3.054443 0.005268 BFGS: 10 16:43:19 -3.054444 0.003754 BFGS: 11 16:43:19 -3.054446 0.002928 BFGS: 12 16:43:19 -3.054447 0.001853 BFGS: 13 16:43:19 -3.054447 0.000560 BFGS: 14 16:43:19 -3.054448 0.000147 BFGS: 15 16:43:19 -3.054448 0.000011 BFGS: 16 16:43:19 -3.054448 0.000001 BFGS: 17 16:43:19 -3.054448 0.000000 BFGS: 18 16:43:19 -3.054448 0.000000 Minimization converged after 18 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 4.265108754752037e-12 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Ca', 'Ca'] basis = [[0. 0. 0. ] [0.5 0.5 0. ]] cellpar = Cell([[3.8611218532707228, 2.7912243101261168e-36, 0.0], [-7.551982979192375e-36, 6.687659223882582, 0.0], [0.0, 0.0, 3.65321308027753]]) forces = [[0. 0. 0.] [0. 0. 0.]] stress = [ 4.26510875e-12 -2.45252836e-13 3.89555196e-12 0.00000000e+00 0.00000000e+00 -1.19336371e-34] energy per atom = -1.5272237698518019 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Prototype label changed during relaxation: test template prototype is A_oC2_65_a, while relaxed is A_hP1_191_a. Skipping parameter set 0. No parameter sets in this group successfully added a property instance. Skipping this group.