element(s): ['Na'] 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: ['3.669', '1.6326519'] model name: Morse_Shifted_GirifalcoWeizer_1959MedCutoff_Na__MO_636041334617_004 ==== Building ASE atoms object with: ==== representative atom symbols = ['Na'] representative atom coordinates = [[0.33333333 0.66666667 0.25 ]] spacegroup = 194 cell = [[3.669, 0, 0], [-1.8345, 3.1774472064851, 0], [0, 0, 5.9902]] ========================================= Step Time Energy fmax BFGS: 0 15:04:29 -2.183806 0.253325 BFGS: 1 15:04:29 -2.186414 0.242126 BFGS: 2 15:04:29 -2.211275 0.106990 BFGS: 3 15:04:29 -2.218310 0.018086 BFGS: 4 15:04:29 -2.218503 0.001487 BFGS: 5 15:04:29 -2.218503 0.000983 BFGS: 6 15:04:29 -2.218503 0.000923 BFGS: 7 15:04:29 -2.218504 0.000610 BFGS: 8 15:04:29 -2.218504 0.000461 BFGS: 9 15:04:29 -2.218504 0.000152 BFGS: 10 15:04:29 -2.218504 0.000049 BFGS: 11 15:04:29 -2.218504 0.000005 BFGS: 12 15:04:29 -2.218504 0.000000 BFGS: 13 15:04:29 -2.218504 0.000000 Minimization converged after 13 steps. Maximum force component: 8.896009707110166e-33 eV/Angstrom Maximum stress component: 1.8495458537997828e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Na', 'Na'] basis = [[0.33333333 0.66666667 0.25 ] [0.66666666 0.33333334 0.75 ]] cellpar = Cell([[3.849226937976954, 5.64445585642053e-18, 1.3055071044470123e-36], [-1.924613468988477, 3.3335283132194293, 2.6120797822890193e-36], [2.5683765045846534e-37, 1.210262846552686e-37, 6.294969259763263]]) forces = [[-5.93067314e-33 -8.69666124e-51 6.46595722e-33] [ 8.89600971e-33 -3.42407573e-33 -6.46595722e-33]] stress = [-1.84954585e-10 -1.84954585e-10 -1.10833556e-10 2.93692396e-34 -1.69563384e-34 -6.82376281e-27] energy per atom = -1.1092519285923217 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0