Element = Lattice = Model = Element: Fe Lattice: hcp Model: EAM_Dynamo_Marinica_2007_Fe__MO_466808877130_000 Computed model cutoff of 5.199987804070132 Angstroms Computed isolated atomic energy of 0.0 eV for species Fe ============================================================================== ============================================================================== 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 "kim_model.compute" failed. 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 "kim_model.compute" failed. 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 "kim_model.compute" failed. 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 "kim_model.compute" failed. 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 "kim_model.compute" failed. 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 "kim_model.compute" failed. Continuing... Attempting to perform relaxation using initial lattice constant guess of a = 1.75 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 = 1.75 Angstroms Exception message: Calling "kim_model.compute" failed. Continuing... Attempting to perform relaxation using initial lattice constant guess of a = 1.875 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 = 1.875 Angstroms Exception message: Calling "kim_model.compute" failed. Continuing... 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: -16.104736 Iterations: 36 Function evaluations: 78 Results for this minimization: a = 2.626621532812716, total energy = -16.104736132651016 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: -16.104736 Iterations: 35 Function evaluations: 76 Results for this minimization: a = 2.6266214951872833, total energy = -16.10473613265112 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: -16.104736 Iterations: 35 Function evaluations: 76 Results for this minimization: a = 2.6266214802861216, total energy = -16.104736132651116 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: -16.104736 Iterations: 33 Function evaluations: 73 Results for this minimization: a = 2.626621448772494, total energy = -16.104736132651112 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: -16.104736 Iterations: 33 Function evaluations: 72 Results for this minimization: a = 2.6266214679926634, total energy = -16.10473613265111 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: -16.104736 Iterations: 32 Function evaluations: 70 Results for this minimization: a = 2.6266214450821286, total energy = -16.104736132651137 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: -16.104736 Iterations: 34 Function evaluations: 75 Results for this minimization: a = 2.6266214137431234, total energy = -16.104736132651073 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: -16.104736 Iterations: 34 Function evaluations: 74 Results for this minimization: a = 2.626621465318021, total energy = -16.104736132651116 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: -16.104736 Iterations: 34 Function evaluations: 75 Results for this minimization: a = 2.6266214489936823, total energy = -16.10473613265112 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: -16.104736 Iterations: 35 Function evaluations: 75 Results for this minimization: a = 2.6266214484348893, total energy = -16.10473613265112 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: -16.104736 Iterations: 36 Function evaluations: 78 Results for this minimization: a = 2.6266214241273698, total energy = -16.10473613265111 Attempting to perform relaxation using initial lattice constant guess of a = 3.375 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -16.104736 Iterations: 36 Function evaluations: 76 Results for this minimization: a = 2.6266214806004418, total energy = -16.104736132651134 Attempting to perform relaxation using initial lattice constant guess of a = 3.5 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 = 3.5 Angstroms Exception message: Calling "kim_model.compute" failed. Continuing... Attempting to perform relaxation using initial lattice constant guess of a = 3.625 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 = 3.625 Angstroms Exception message: Calling "kim_model.compute" failed. Continuing... Attempting to perform relaxation using initial lattice constant guess of a = 3.75 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 = 3.75 Angstroms Exception message: Calling "kim_model.compute" failed. Continuing... Attempting to perform relaxation using initial lattice constant guess of a = 3.875 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 = 3.875 Angstroms Exception message: Calling "kim_model.compute" failed. Continuing... 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: -16.104736 Iterations: 37 Function evaluations: 81 Results for this minimization: a = 2.626621532812713, total energy = -16.104736132651013 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: -16.104736 Iterations: 37 Function evaluations: 79 Results for this minimization: a = 2.626621425908526, total energy = -16.104736132651105 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: -16.104736 Iterations: 37 Function evaluations: 79 Results for this minimization: a = 2.6266214951872797, total energy = -16.10473613265112 Attempting to perform relaxation using initial lattice constant guess of a = 4.375 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -16.104736 Iterations: 37 Function evaluations: 80 Results for this minimization: a = 2.6266214372590184, total energy = -16.104736132651126 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 "kim_model.compute" failed. Continuing... Attempting to perform relaxation using initial lattice constant guess of a = 4.625 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: 0.000000 Iterations: 35 Function evaluations: 102 Results for this minimization: a = 5.318750000000001, total energy = 0.0 Attempting to perform relaxation using initial lattice constant guess of a = 4.75 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: 0.000000 Iterations: 34 Function evaluations: 99 Results for this minimization: a = 5.225, total energy = 0.0 Attempting to perform relaxation using initial lattice constant guess of a = 4.875 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: 0.000000 Iterations: 34 Function evaluations: 99 Results for this minimization: a = 5.362500000000001, total energy = 0.0 Attempting to perform relaxation using initial lattice constant guess of a = 5.0 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: 0.000000 Iterations: 33 Function evaluations: 97 Results for this minimization: a = 5.25, total energy = 0.0 Attempting to perform relaxation using initial lattice constant guess of a = 5.125 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: 0.000000 Iterations: 33 Function evaluations: 97 Results for this minimization: a = 5.3812500000000005, total energy = 0.0 Attempting to perform relaxation using initial lattice constant guess of a = 5.25 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: 0.000000 Iterations: 33 Function evaluations: 98 Results for this minimization: a = 5.25, total energy = 0.0 ============================================================================== ============================================================================== Starting optimization with both a and c/a relaxed ============================================================================== ============================================================================== Attempting to perform relaxation using initial lattice constant guess of a = [2.62662145] Angstroms and c = 3.4314038868816015 = ([1.30639453] * a) Angstroms Optimization terminated successfully. Current function value: -16.105707 Iterations: 77 Function evaluations: 157 Results for this minimization: a = 2.6157269860275756, c = 4.309549862953329, total energy = -16.10570682812893 Attempting to perform relaxation using initial lattice constant guess of a = [2.62662145] Angstroms and c = 3.6458666298117017 = ([1.38804419] * a) Angstroms Optimization terminated successfully. Current function value: -16.105707 Iterations: 73 Function evaluations: 154 Results for this minimization: a = 2.615727001147876, c = 4.3095499283633565, total energy = -16.105706828128938 Attempting to perform relaxation using initial lattice constant guess of a = [2.62662145] Angstroms and c = 3.860329372741802 = ([1.46969385] * a) Angstroms Optimization terminated successfully. Current function value: -16.105707 Iterations: 68 Function evaluations: 150 Results for this minimization: a = 2.615726983350106, c = 4.309549859440887, total energy = -16.105706828128927 Attempting to perform relaxation using initial lattice constant guess of a = [2.62662145] Angstroms and c = 4.074792115671903 = ([1.5513435] * a) Angstroms Optimization terminated successfully. Current function value: -16.105707 Iterations: 68 Function evaluations: 148 Results for this minimization: a = 2.6157270098383263, c = 4.309549898074877, total energy = -16.105706828128927 Attempting to perform relaxation using initial lattice constant guess of a = [2.62662145] Angstroms and c = 4.2892548586020025 = ([1.63299316] * a) Angstroms Optimization terminated successfully. Current function value: -16.105707 Iterations: 71 Function evaluations: 154 Results for this minimization: a = 2.6157269581275573, c = 4.3095499309665035, total energy = -16.105706828128934 Attempting to perform relaxation using initial lattice constant guess of a = [2.62662145] Angstroms and c = 4.503717601532102 = ([1.71464282] * a) Angstroms Optimization terminated successfully. Current function value: -16.105707 Iterations: 68 Function evaluations: 146 Results for this minimization: a = 2.615726951195829, c = 4.309549886824666, total energy = -16.105706828128902 Attempting to perform relaxation using initial lattice constant guess of a = [2.62662145] Angstroms and c = 4.718180344462203 = ([1.79629248] * a) Angstroms Optimization terminated successfully. Current function value: -16.105707 Iterations: 71 Function evaluations: 152 Results for this minimization: a = 2.6157270254632663, c = 4.309549917109855, total energy = -16.105706828128916 Attempting to perform relaxation using initial lattice constant guess of a = [2.62662145] Angstroms and c = 4.932643087392304 = ([1.87794214] * a) Angstroms Optimization terminated successfully. Current function value: -16.105707 Iterations: 75 Function evaluations: 159 Results for this minimization: a = 2.615726957187838, c = 4.309550016014041, total energy = -16.105706828128916 Attempting to perform relaxation using initial lattice constant guess of a = [2.62662145] Angstroms and c = 5.1471058303224035 = ([1.95959179] * a) Angstroms Optimization terminated successfully. Current function value: -16.105707 Iterations: 78 Function evaluations: 166 Results for this minimization: a = 2.615727002262631, c = 4.309549903926323, total energy = -16.105706828128945 ============================================================================== ============================================================================== Finished with optimization ============================================================================== ============================================================================== Final lattice Constants: a = 2.615727002262631 Angstroms, c = 4.309549903926323 Angstroms, c/a = 1.647553 Total energy: -16.105706828128945 eV Cohesive energy: -4.026426707032236 eV/atom ============================================================================== ==============================================================================