element(s): ['Ge'] AFLOW prototype label: A_oI4_74_e Parameter names: ['a', 'b/a', 'c/a', 'z1'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['5.1963', '0.99289879', '0.54889056', '0.13235996'] model name: ThreeBodyBondOrder_KDS_KhorDasSarma_1988_Ge__MO_216597146527_000 ==== Building ASE atoms object with: ==== representative atom symbols = ['Ge'] representative atom coordinates = [[0. 0.25 0.13235996]] spacegroup = 74 cell = [[5.1963, 0, 0], [0, 5.1594, 0], [0, 0, 2.8522]] ========================================= Step Time Energy fmax BFGS: 0 16:56:42 6.654978 21.6308 BFGS: 1 16:56:42 5.117895 17.1552 BFGS: 2 16:56:42 3.422467 17.9008 BFGS: 3 16:56:42 nan nan Minimization stalled after 3 steps. Maximum force component: nan eV/Angstrom Maximum stress component: nan eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Ge', 'Ge', 'Ge', 'Ge'] basis = [[6.24849387e-53 2.50000000e-01 1.32356642e-01] [1.24969877e-52 7.50000000e-01 8.67643358e-01] [5.00000000e-01 7.50000000e-01 6.32356642e-01] [5.00000000e-01 2.50000000e-01 3.67643358e-01]] cellpar = Cell([[5.346817902451413, 1.825057689671573e-38, 0.0], [5.7888891642293194e-36, 5.311613658858816, 0.0], [0.0, 0.0, 2.9540357732868507]]) forces = [[nan nan nan] [nan nan nan] [nan nan nan] [nan nan nan]] stress = [nan nan nan nan nan nan] energy per atom = nan =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Skipping parameter set 0 because of error while adding or validating property: Out of range float values are not KIM-EDN compliant: nan No parameter sets in this group successfully added a property instance. Skipping this group.