Element = Lattice = Model = Element: Ni Lattice: hcp Model: EAM_Dynamo_FoilesHoyt_2006_Ni__MO_776437554506_000 Computed model cutoff of 4.849999996721769 Angstroms Computed isolated atomic energy of 0.0 eV for species Ni ============================================================================== ============================================================================== Starting optimization to find optimum lattice constant 'a' with c/a fixed to sqrt(8/3) ============================================================================== ============================================================================== Attempting to perform relaxation using initial lattice constant guess of a = 1.0 Angstroms (c/a fixed at sqrt(8/3)) Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 1.0 Angstroms Exception message: Calling kimpy function "compute" failed: the model does not provide an Extension routine! or the model's Extension routine returns error! Continuing... Attempting to perform relaxation using initial lattice constant guess of a = 1.125 Angstroms (c/a fixed at sqrt(8/3)) Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 1.125 Angstroms Exception message: Calling kimpy function "compute" failed: the model does not provide an Extension routine! or the model's Extension routine returns error! Continuing... Attempting to perform relaxation using initial lattice constant guess of a = 1.25 Angstroms (c/a fixed at sqrt(8/3)) Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 1.25 Angstroms Exception message: Calling kimpy function "compute" failed: the model does not provide an Extension routine! or the model's Extension routine returns error! Continuing... Attempting to perform relaxation using initial lattice constant guess of a = 1.375 Angstroms (c/a fixed at sqrt(8/3)) Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 1.375 Angstroms Exception message: Calling kimpy function "compute" failed: the model does not provide an Extension routine! or the model's Extension routine returns error! Continuing... Attempting to perform relaxation using initial lattice constant guess of a = 1.5 Angstroms (c/a fixed at sqrt(8/3)) Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 1.5 Angstroms Exception message: Calling kimpy function "compute" failed: the model does not provide an Extension routine! or the model's Extension routine returns error! Continuing... Attempting to perform relaxation using initial lattice constant guess of a = 1.625 Angstroms (c/a fixed at sqrt(8/3)) Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 1.625 Angstroms Exception message: Calling kimpy function "compute" failed: the model does not provide an Extension routine! or the model's Extension routine returns error! Continuing... Attempting to perform relaxation using initial lattice constant guess of a = 1.75 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -17.714581 Iterations: 36 Function evaluations: 79 Results for this minimization: a = 2.4885333420475946, total energy = -17.714580605225386 Attempting to perform relaxation using initial lattice constant guess of a = 1.875 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -17.714581 Iterations: 35 Function evaluations: 74 Results for this minimization: a = 2.488533351570368, total energy = -17.714580605225386 Attempting to perform relaxation using initial lattice constant guess of a = 2.0 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -17.714581 Iterations: 35 Function evaluations: 74 Results for this minimization: a = 2.488533335179092, total energy = -17.71458060522537 Attempting to perform relaxation using initial lattice constant guess of a = 2.125 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -17.714581 Iterations: 33 Function evaluations: 70 Results for this minimization: a = 2.488533355109395, total energy = -17.71458060522539 Attempting to perform relaxation using initial lattice constant guess of a = 2.25 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -17.714581 Iterations: 35 Function evaluations: 76 Results for this minimization: a = 2.4885333550628266, total energy = -17.714580605225393 Attempting to perform relaxation using initial lattice constant guess of a = 2.375 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -17.714581 Iterations: 32 Function evaluations: 69 Results for this minimization: a = 2.4885333255864674, total energy = -17.71458060522537 Attempting to perform relaxation using initial lattice constant guess of a = 2.5 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -17.714581 Iterations: 33 Function evaluations: 70 Results for this minimization: a = 2.488533378113061, total energy = -17.714580605225365 Attempting to perform relaxation using initial lattice constant guess of a = 2.625 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -17.714581 Iterations: 33 Function evaluations: 72 Results for this minimization: a = 2.488533356878906, total energy = -17.71458060522538 Attempting to perform relaxation using initial lattice constant guess of a = 2.75 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -17.714581 Iterations: 34 Function evaluations: 71 Results for this minimization: a = 2.4885333515063386, total energy = -17.71458060522539 Attempting to perform relaxation using initial lattice constant guess of a = 2.875 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -17.714581 Iterations: 34 Function evaluations: 75 Results for this minimization: a = 2.4885333794052698, total energy = -17.714580605225354 Attempting to perform relaxation using initial lattice constant guess of a = 3.0 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -17.714581 Iterations: 36 Function evaluations: 77 Results for this minimization: a = 2.4885333361336945, total energy = -17.714580605225375 Attempting to perform relaxation using initial lattice constant guess of a = 3.125 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -17.714581 Iterations: 35 Function evaluations: 75 Results for this minimization: a = 2.488533351570368, total energy = -17.714580605225382 Attempting to perform relaxation using initial lattice constant guess of a = 3.25 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -17.714581 Iterations: 35 Function evaluations: 73 Results for this minimization: a = 2.4885333511279892, total energy = -17.71458060522538 Attempting to perform relaxation using initial lattice constant guess of a = 3.375 Angstroms (c/a fixed at sqrt(8/3)) Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 3.375 Angstroms Exception message: Calling kimpy function "compute" failed: the model does not provide an Extension routine! or the model's Extension routine returns error! Continuing... Attempting to perform relaxation using initial lattice constant guess of a = 3.5 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -17.714581 Iterations: 36 Function evaluations: 76 Results for this minimization: a = 2.488533344492315, total energy = -17.71458060522537 Attempting to perform relaxation using initial lattice constant guess of a = 3.625 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -17.714581 Iterations: 36 Function evaluations: 78 Results for this minimization: a = 2.4885333398357004, total energy = -17.714580605225365 Attempting to perform relaxation using initial lattice constant guess of a = 3.75 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -17.714581 Iterations: 36 Function evaluations: 80 Results for this minimization: a = 2.488533351570368, total energy = -17.714580605225375 Attempting to perform relaxation using initial lattice constant guess of a = 3.875 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -17.714581 Iterations: 37 Function evaluations: 78 Results for this minimization: a = 2.4885333344340284, total energy = -17.714580605225372 Attempting to perform relaxation using initial lattice constant guess of a = 4.0 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -17.714581 Iterations: 37 Function evaluations: 79 Results for this minimization: a = 2.488533366471528, total energy = -17.71458060522537 Attempting to perform relaxation using initial lattice constant guess of a = 4.125 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -17.714581 Iterations: 36 Function evaluations: 78 Results for this minimization: a = 2.4885333515703687, total energy = -17.714580605225382 Attempting to perform relaxation using initial lattice constant guess of a = 4.25 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -17.714581 Iterations: 36 Function evaluations: 76 Results for this minimization: a = 2.4885333582758884, total energy = -17.714580605225375 Attempting to perform relaxation using initial lattice constant guess of a = 4.375 Angstroms (c/a fixed at sqrt(8/3)) Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 4.375 Angstroms Exception message: Calling kimpy function "compute" failed: the model does not provide an Extension routine! or the model's Extension routine returns error! Continuing... Attempting to perform relaxation using initial lattice constant guess of a = 4.5 Angstroms (c/a fixed at sqrt(8/3)) Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 4.5 Angstroms Exception message: Calling kimpy function "compute" failed: the model does not provide an Extension routine! or the model's Extension routine returns error! Continuing... Attempting to perform relaxation using initial lattice constant guess of a = 4.625 Angstroms (c/a fixed at sqrt(8/3)) Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 4.625 Angstroms Exception message: Calling kimpy function "compute" failed: the model does not provide an Extension routine! or the model's Extension routine returns error! Continuing... Attempting to perform relaxation using initial lattice constant guess of a = 4.75 Angstroms (c/a fixed at sqrt(8/3)) Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 4.75 Angstroms Exception message: Calling kimpy function "compute" failed: the model does not provide an Extension routine! or the model's Extension routine returns error! Continuing... Attempting to perform relaxation using initial lattice constant guess of a = 4.875 Angstroms (c/a fixed at sqrt(8/3)) Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 4.875 Angstroms Exception message: Calling kimpy function "compute" failed: the model does not provide an Extension routine! or the model's Extension routine returns error! Continuing... ============================================================================== ============================================================================== Starting optimization with both a and c/a relaxed ============================================================================== ============================================================================== Attempting to perform relaxation using initial lattice constant guess of a = [2.48853336] Angstroms and c = 3.2510063614934412 = ([1.30639453] * a) Angstroms Optimization terminated successfully. Current function value: -17.715377 Iterations: 73 Function evaluations: 155 Results for this minimization: a = 2.4841230826308434, c = 4.089419308157758, total energy = -17.715376817645478 Attempting to perform relaxation using initial lattice constant guess of a = [2.48853336] Angstroms and c = 3.454194259086781 = ([1.38804419] * a) Angstroms Optimization terminated successfully. Current function value: -17.715377 Iterations: 70 Function evaluations: 155 Results for this minimization: a = 2.484123062575235, c = 4.089419275098828, total energy = -17.715376817645467 Attempting to perform relaxation using initial lattice constant guess of a = [2.48853336] Angstroms and c = 3.657382156680121 = ([1.46969385] * a) Angstroms Optimization terminated successfully. Current function value: -17.715377 Iterations: 67 Function evaluations: 146 Results for this minimization: a = 2.484123084727207, c = 4.089419302338536, total energy = -17.715376817645467 Attempting to perform relaxation using initial lattice constant guess of a = [2.48853336] Angstroms and c = 3.860570054273461 = ([1.5513435] * a) Angstroms Optimization terminated successfully. Current function value: -17.715377 Iterations: 62 Function evaluations: 136 Results for this minimization: a = 2.4841230609842215, c = 4.089419293949719, total energy = -17.715376817645463 Attempting to perform relaxation using initial lattice constant guess of a = [2.48853336] Angstroms and c = 4.063757951866801 = ([1.63299316] * a) Angstroms Optimization terminated successfully. Current function value: -17.715377 Iterations: 65 Function evaluations: 147 Results for this minimization: a = 2.484123073463829, c = 4.089419312678641, total energy = -17.71537681764547 Attempting to perform relaxation using initial lattice constant guess of a = [2.48853336] Angstroms and c = 4.266945849460141 = ([1.71464282] * a) Angstroms Optimization terminated successfully. Current function value: -17.715377 Iterations: 67 Function evaluations: 143 Results for this minimization: a = 2.484123073391439, c = 4.089419371903664, total energy = -17.715376817645467 Attempting to perform relaxation using initial lattice constant guess of a = [2.48853336] Angstroms and c = 4.470133747053481 = ([1.79629248] * a) Angstroms Optimization terminated successfully. Current function value: -17.715377 Iterations: 71 Function evaluations: 151 Results for this minimization: a = 2.484123067814182, c = 4.08941934581755, total energy = -17.71537681764547 Attempting to perform relaxation using initial lattice constant guess of a = [2.48853336] Angstroms and c = 4.673321644646821 = ([1.87794214] * a) Angstroms Optimization terminated successfully. Current function value: -17.715377 Iterations: 74 Function evaluations: 156 Results for this minimization: a = 2.4841230729772033, c = 4.089419325593353, total energy = -17.71537681764547 Attempting to perform relaxation using initial lattice constant guess of a = [2.48853336] Angstroms and c = 4.876509542240161 = ([1.95959179] * a) Angstroms Optimization terminated successfully. Current function value: -17.715377 Iterations: 74 Function evaluations: 158 Results for this minimization: a = 2.4841230817992805, c = 4.089419251889564, total energy = -17.71537681764547 ============================================================================== ============================================================================== Finished with optimization ============================================================================== ============================================================================== Final lattice Constants: a = 2.4841230826308434 Angstroms, c = 4.089419308157758 Angstroms, c/a = 1.646222 Total energy: -17.715376817645478 eV Cohesive energy: -4.428844204411369 eV/atom ============================================================================== ==============================================================================