Element = Lattice = Model = Element: Al Lattice: hcp Model: EAM_IMD_SchopfBrommerFrigan_2012_AlMnPd__MO_878712978062_003 Computed model cutoff of 6.999699065089246 Angstroms Computed isolated atomic energy of 0.0 eV for species Al ============================================================================== ============================================================================== 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)) Optimization terminated successfully. Current function value: -14.941593 Iterations: 40 Function evaluations: 84 Results for this minimization: a = 2.955515122413639, total energy = -14.94159303320226 Attempting to perform relaxation using initial lattice constant guess of a = 1.125 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -14.941593 Iterations: 39 Function evaluations: 82 Results for this minimization: a = 2.955515130702405, total energy = -14.94159303320226 Attempting to perform relaxation using initial lattice constant guess of a = 1.25 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -14.941593 Iterations: 40 Function evaluations: 85 Results for this minimization: a = 2.955515155568719, total energy = -14.941593033202258 Attempting to perform relaxation using initial lattice constant guess of a = 1.375 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -14.941593 Iterations: 38 Function evaluations: 82 Results for this minimization: a = 2.955515136010952, total energy = -14.941593033202253 Attempting to perform relaxation using initial lattice constant guess of a = 1.5 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -14.941593 Iterations: 39 Function evaluations: 83 Results for this minimization: a = 2.9555150985717815, total energy = -14.941593033202238 Attempting to perform relaxation using initial lattice constant guess of a = 1.625 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -14.941593 Iterations: 38 Function evaluations: 80 Results for this minimization: a = 2.9555151256965493, total energy = -14.941593033202254 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: -14.941593 Iterations: 38 Function evaluations: 81 Results for this minimization: a = 2.9555151412263507, total energy = -14.941593033202258 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: -14.941593 Iterations: 37 Function evaluations: 78 Results for this minimization: a = 2.9555151278036647, total energy = -14.94159303320226 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: -14.941593 Iterations: 36 Function evaluations: 76 Results for this minimization: a = 2.955515122413638, total energy = -14.941593033202256 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: -14.941593 Iterations: 35 Function evaluations: 75 Results for this minimization: a = 2.9555151142179987, total energy = -14.941593033202246 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: -14.941593 Iterations: 37 Function evaluations: 79 Results for this minimization: a = 2.9555151516571634, total energy = -14.94159303320225 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: -14.941593 Iterations: 36 Function evaluations: 79 Results for this minimization: a = 2.9555151331471263, total energy = -14.941593033202263 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: -14.941593 Iterations: 36 Function evaluations: 78 Results for this minimization: a = 2.955515155568719, total energy = -14.941593033202254 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: -14.941593 Iterations: 36 Function evaluations: 77 Results for this minimization: a = 2.955515119875782, total energy = -14.941593033202242 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: -14.941593 Iterations: 33 Function evaluations: 71 Results for this minimization: a = 2.955515129864216, total energy = -14.941593033202256 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: -14.941593 Iterations: 33 Function evaluations: 72 Results for this minimization: a = 2.9555151531472807, total energy = -14.941593033202253 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: -14.941593 Iterations: 32 Function evaluations: 71 Results for this minimization: a = 2.9555150985717775, total energy = -14.941593033202235 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: -14.941593 Iterations: 34 Function evaluations: 75 Results for this minimization: a = 2.9555151516979095, total energy = -14.941593033202249 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: -14.941593 Iterations: 35 Function evaluations: 75 Results for this minimization: a = 2.9555151256965466, total energy = -14.941593033202258 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: -14.941593 Iterations: 34 Function evaluations: 72 Results for this minimization: a = 2.9555151297856352, total energy = -14.94159303320226 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: -14.941593 Iterations: 34 Function evaluations: 74 Results for this minimization: a = 2.9555151399224986, total energy = -14.941593033202256 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: -14.941593 Iterations: 35 Function evaluations: 77 Results for this minimization: a = 2.955515132844447, total energy = -14.941593033202256 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: -14.941593 Iterations: 35 Function evaluations: 75 Results for this minimization: a = 2.955515155568719, total energy = -14.941593033202253 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: -14.941593 Iterations: 36 Function evaluations: 75 Results for this minimization: a = 2.9555151151784202, total energy = -14.941593033202253 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: -14.941593 Iterations: 37 Function evaluations: 80 Results for this minimization: a = 2.9555151209235184, total energy = -14.941593033202253 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: -14.941593 Iterations: 36 Function evaluations: 77 Results for this minimization: a = 2.9555151298642164, total energy = -14.941593033202258 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: -14.941593 Iterations: 36 Function evaluations: 78 Results for this minimization: a = 2.9555151015520083, total energy = -14.941593033202238 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: -14.941593 Iterations: 38 Function evaluations: 79 Results for this minimization: a = 2.955515155568719, total energy = -14.941593033202253 Attempting to perform relaxation using initial lattice constant guess of a = 4.5 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -14.941593 Iterations: 37 Function evaluations: 78 Results for this minimization: a = 2.9555151307024023, total energy = -14.941593033202263 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: -14.941593 Iterations: 38 Function evaluations: 83 Results for this minimization: a = 2.955515117198228, total energy = -14.941593033202249 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: -14.941593 Iterations: 39 Function evaluations: 86 Results for this minimization: a = 2.9555151331471294, total energy = -14.94159303320226 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: -14.941593 Iterations: 38 Function evaluations: 81 Results for this minimization: a = 2.9555151253938643, total energy = -14.941593033202253 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: -14.941593 Iterations: 39 Function evaluations: 82 Results for this minimization: a = 2.9555151285603642, total energy = -14.941593033202249 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: -14.941593 Iterations: 37 Function evaluations: 77 Results for this minimization: a = 2.955515128120892, total energy = -14.941593033202249 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: -14.941593 Iterations: 39 Function evaluations: 83 Results for this minimization: a = 2.9555151206091965, total energy = -14.941593033202256 Attempting to perform relaxation using initial lattice constant guess of a = 5.375 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -14.941593 Iterations: 38 Function evaluations: 82 Results for this minimization: a = 2.9555151399225004, total energy = -14.941593033202256 Attempting to perform relaxation using initial lattice constant guess of a = 5.5 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -14.941593 Iterations: 38 Function evaluations: 82 Results for this minimization: a = 2.9555151298642124, total energy = -14.941593033202253 Attempting to perform relaxation using initial lattice constant guess of a = 5.625 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -14.941593 Iterations: 39 Function evaluations: 84 Results for this minimization: a = 2.955515124835074, total energy = -14.941593033202246 Attempting to perform relaxation using initial lattice constant guess of a = 5.75 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -14.941593 Iterations: 39 Function evaluations: 84 Results for this minimization: a = 2.955515157431359, total energy = -14.941593033202253 Attempting to perform relaxation using initial lattice constant guess of a = 5.875 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -14.941593 Iterations: 38 Function evaluations: 81 Results for this minimization: a = 2.955515139782799, total energy = -14.941593033202249 Attempting to perform relaxation using initial lattice constant guess of a = 6.0 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -14.941593 Iterations: 39 Function evaluations: 84 Results for this minimization: a = 2.9555151298642093, total energy = -14.941593033202253 Attempting to perform relaxation using initial lattice constant guess of a = 6.125 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -14.941593 Iterations: 40 Function evaluations: 85 Results for this minimization: a = 2.95551517726562, total energy = -14.941593033202244 Attempting to perform relaxation using initial lattice constant guess of a = 6.25 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -14.941593 Iterations: 39 Function evaluations: 85 Results for this minimization: a = 2.9555151518434286, total energy = -14.941593033202253 Attempting to perform relaxation using initial lattice constant guess of a = 6.375 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -14.941593 Iterations: 39 Function evaluations: 83 Results for this minimization: a = 2.9555151142179943, total energy = -14.941593033202246 Attempting to perform relaxation using initial lattice constant guess of a = 6.5 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -14.941593 Iterations: 40 Function evaluations: 87 Results for this minimization: a = 2.955515125696541, total energy = -14.941593033202262 Attempting to perform relaxation using initial lattice constant guess of a = 6.625 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -14.941593 Iterations: 39 Function evaluations: 83 Results for this minimization: a = 2.955515156127505, total energy = -14.94159303320226 Attempting to perform relaxation using initial lattice constant guess of a = 6.75 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -14.941593 Iterations: 38 Function evaluations: 82 Results for this minimization: a = 2.955515129864212, total energy = -14.941593033202256 Attempting to perform relaxation using initial lattice constant guess of a = 6.875 Angstroms (c/a fixed at sqrt(8/3)) Optimization terminated successfully. Current function value: -14.941593 Iterations: 40 Function evaluations: 87 Results for this minimization: a = 2.9555151039967313, total energy = -14.941593033202242 Attempting to perform relaxation using initial lattice constant guess of a = 7.0 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 = 7.3500000000000005, total energy = 0.0 ============================================================================== ============================================================================== Starting optimization with both a and c/a relaxed ============================================================================== ============================================================================== Attempting to perform relaxation using initial lattice constant guess of a = [2.95551513] Angstroms and c = 3.861068801751651 = ([1.30639453] * a) Angstroms Optimization terminated successfully. Current function value: -14.957445 Iterations: 73 Function evaluations: 157 Results for this minimization: a = 3.0298862977927685, c = 4.655808003007432, total energy = -14.95744524166814 Attempting to perform relaxation using initial lattice constant guess of a = [2.95551513] Angstroms and c = 4.102385601861129 = ([1.38804419] * a) Angstroms Optimization terminated successfully. Current function value: -14.957445 Iterations: 72 Function evaluations: 153 Results for this minimization: a = 3.029886358859402, c = 4.655807939555832, total energy = -14.957445241668145 Attempting to perform relaxation using initial lattice constant guess of a = [2.95551513] Angstroms and c = 4.3437024019706065 = ([1.46969385] * a) Angstroms Optimization terminated successfully. Current function value: -14.957445 Iterations: 66 Function evaluations: 143 Results for this minimization: a = 3.0298862908411106, c = 4.655808027191398, total energy = -14.957445241668145 Attempting to perform relaxation using initial lattice constant guess of a = [2.95551513] Angstroms and c = 4.585019202080085 = ([1.5513435] * a) Angstroms Optimization terminated successfully. Current function value: -14.957445 Iterations: 67 Function evaluations: 143 Results for this minimization: a = 3.0298863552529234, c = 4.6558079303659365, total energy = -14.957445241668143 Attempting to perform relaxation using initial lattice constant guess of a = [2.95551513] Angstroms and c = 4.826336002189564 = ([1.63299316] * a) Angstroms Optimization terminated successfully. Current function value: -14.957445 Iterations: 70 Function evaluations: 150 Results for this minimization: a = 3.0298863164350864, c = 4.655808008698404, total energy = -14.957445241668143 Attempting to perform relaxation using initial lattice constant guess of a = [2.95551513] Angstroms and c = 5.067652802299041 = ([1.71464282] * a) Angstroms Optimization terminated successfully. Current function value: -14.957445 Iterations: 70 Function evaluations: 152 Results for this minimization: a = 3.029886253273295, c = 4.655808117772708, total energy = -14.957445241668136 Attempting to perform relaxation using initial lattice constant guess of a = [2.95551513] Angstroms and c = 5.308969602408519 = ([1.79629248] * a) Angstroms Optimization terminated successfully. Current function value: -14.957445 Iterations: 71 Function evaluations: 153 Results for this minimization: a = 3.029886272077637, c = 4.655808087719645, total energy = -14.957445241668152 Attempting to perform relaxation using initial lattice constant guess of a = [2.95551513] Angstroms and c = 5.550286402517997 = ([1.87794214] * a) Angstroms Optimization terminated successfully. Current function value: -14.957445 Iterations: 73 Function evaluations: 154 Results for this minimization: a = 3.0298863206496414, c = 4.655808017190971, total energy = -14.957445241668147 Attempting to perform relaxation using initial lattice constant guess of a = [2.95551513] Angstroms and c = 5.791603202627476 = ([1.95959179] * a) Angstroms Optimization terminated successfully. Current function value: -14.957445 Iterations: 74 Function evaluations: 160 Results for this minimization: a = 3.029886366899424, c = 4.655807899434926, total energy = -14.95744524166814 ============================================================================== ============================================================================== Finished with optimization ============================================================================== ============================================================================== Final lattice Constants: a = 3.029886272077637 Angstroms, c = 4.655808087719645 Angstroms, c/a = 1.536628 Total energy: -14.957445241668152 eV Cohesive energy: -3.739361310417038 eV/atom ============================================================================== ==============================================================================