element(s): ['Ge'] AFLOW prototype label: A_cF4_225_a Parameter names: ['a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['4.2619'] model name: ThreeBodyBondOrder_KDS_KhorDasSarma_1988_Ge__MO_216597146527_000 ==== Building ASE atoms object with: ==== representative atom symbols = ['Ge'] representative atom coordinates = [[0 0 0]] spacegroup = 225 cell = [[4.2619, 0, 0], [0, 4.2619, 0], [0, 0, 4.2619]] ========================================= Step Time Energy fmax BFGS: 0 17:00:53 1.351041 6.4491 BFGS: 1 17:00:53 0.626783 4.2129 BFGS: 2 17:00:53 nan nan Minimization stalled after 2 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 = [[0.00000000e+00 0.00000000e+00 0.00000000e+00] [0.00000000e+00 5.00000000e-01 5.00000000e-01] [5.00000000e-01 7.16992969e-54 5.00000000e-01] [5.00000000e-01 5.00000000e-01 1.33838688e-51]] cellpar = Cell([[4.3684475, -1.4877191170554345e-35, -1.1651085840265708e-34], [1.4877191170554345e-35, 4.3684475, 1.1901752936443476e-34], [-2.6453008099659374e-53, 1.735227686771268e-37, 4.3684475]]) 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.