Element = Lattice = Model = Element: Mo Lattice: hcp Model: SNAP_LiHuChen_2018_NiMo__MO_468686727341_000 Computed model cutoff of 4.599999870993227 Angstroms Computed isolated atomic energy of -7.724220662531572 eV for species Mo ============================================================================== ============================================================================== 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: -11.034745 Iterations: 38 Function evaluations: 80 Results for this minimization: a = 2.84888930022717, total energy = -11.03474521886568 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: -11.034745 Iterations: 39 Function evaluations: 85 Results for this minimization: a = 2.8488893017172807, total energy = -11.034745218865673 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: -11.034745 Iterations: 38 Function evaluations: 81 Results for this minimization: a = 2.8488893208559602, total energy = -11.034745218865673 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: -11.034745 Iterations: 38 Function evaluations: 83 Results for this minimization: a = 2.848889297246939, total energy = -11.034745218865666 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: -11.034745 Iterations: 37 Function evaluations: 81 Results for this minimization: a = 2.8488893151283294, total energy = -11.03474521886568 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: -11.034745 Iterations: 37 Function evaluations: 79 Results for this minimization: a = 2.848889319598677, total energy = -11.03474521886568 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: -11.034745 Iterations: 36 Function evaluations: 77 Results for this minimization: a = 2.8488893240690234, total energy = -11.034745218865666 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: -11.034745 Iterations: 36 Function evaluations: 76 Results for this minimization: a = 2.848889311775565, total energy = -11.03474521886568 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: -11.034745 Iterations: 35 Function evaluations: 76 Results for this minimization: a = 2.848889318108562, total energy = -11.034745218865673 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: -11.034745 Iterations: 35 Function evaluations: 76 Results for this minimization: a = 2.848889301717282, total energy = -11.034745218865673 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: -11.034745 Iterations: 35 Function evaluations: 74 Results for this minimization: a = 2.8488893017172807, total energy = -11.034745218865666 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: -11.034745 Iterations: 35 Function evaluations: 75 Results for this minimization: a = 2.84888929799199, total energy = -11.034745218865673 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: -11.034745 Iterations: 34 Function evaluations: 73 Results for this minimization: a = 2.848889321088791, total energy = -11.034745218865666 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: -11.034745 Iterations: 33 Function evaluations: 73 Results for this minimization: a = 2.848889324069024, total energy = -11.034745218865673 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: -11.034745 Iterations: 32 Function evaluations: 71 Results for this minimization: a = 2.8488893054425724, total energy = -11.03474521886568 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: -11.034745 Iterations: 32 Function evaluations: 67 Results for this minimization: a = 2.8488893058151, total energy = -11.03474521886568 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: -11.034745 Iterations: 34 Function evaluations: 73 Results for this minimization: a = 2.8488893017172816, total energy = -11.03474521886568 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: -11.034745 Iterations: 35 Function evaluations: 75 Results for this minimization: a = 2.8488893153553363, total energy = -11.034745218865694 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: -11.034745 Iterations: 35 Function evaluations: 75 Results for this minimization: a = 2.848889320809395, total energy = -11.034745218865673 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: -11.034745 Iterations: 35 Function evaluations: 77 Results for this minimization: a = 2.84888932518661, total energy = -11.034745218865666 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: -11.034745 Iterations: 35 Function evaluations: 75 Results for this minimization: a = 2.8488893240690225, total energy = -11.034745218865673 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: -11.034745 Iterations: 36 Function evaluations: 78 Results for this minimization: a = 2.848889305908232, total energy = -11.03474521886568 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: -11.034745 Iterations: 36 Function evaluations: 78 Results for this minimization: a = 2.8488893180619925, total energy = -11.034745218865673 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: 0.000000 Iterations: 35 Function evaluations: 101 Results for this minimization: a = 4.843750000000001, total energy = 0.0 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: 0.000000 Iterations: 34 Function evaluations: 99 Results for this minimization: a = 4.600000000000001, total energy = 0.0 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: 0.000000 Iterations: 34 Function evaluations: 99 Results for this minimization: a = 4.743749999999999, total energy = 0.0 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: 0.000000 Iterations: 33 Function evaluations: 96 Results for this minimization: a = 4.675000000000001, total energy = 0.0 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: 0.000000 Iterations: 34 Function evaluations: 99 Results for this minimization: a = 4.8125, total energy = 0.0 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: 0.000000 Iterations: 33 Function evaluations: 97 Results for this minimization: a = 4.7250000000000005, total energy = 0.0 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: 33 Function evaluations: 98 Results for this minimization: a = 4.625, total energy = 0.0 ============================================================================== ============================================================================== Starting optimization with both a and c/a relaxed ============================================================================== ============================================================================== Attempting to perform relaxation using initial lattice constant guess of a = [2.84888932] Angstroms and c = 3.72177341668666 = ([1.30639453] * a) Angstroms Optimization terminated successfully. Current function value: -11.037184 Iterations: 73 Function evaluations: 158 Results for this minimization: a = 2.8587248865483588, c = 4.6269502793296695, total energy = -11.037183571915229 Attempting to perform relaxation using initial lattice constant guess of a = [2.84888932] Angstroms and c = 3.9543842552295763 = ([1.38804419] * a) Angstroms Optimization terminated successfully. Current function value: -11.037184 Iterations: 74 Function evaluations: 155 Results for this minimization: a = 2.858724886202479, c = 4.626950246453415, total energy = -11.037183571915222 Attempting to perform relaxation using initial lattice constant guess of a = [2.84888932] Angstroms and c = 4.1869950937724925 = ([1.46969385] * a) Angstroms Optimization terminated successfully. Current function value: -11.037184 Iterations: 68 Function evaluations: 148 Results for this minimization: a = 2.858724875101722, c = 4.626950299109666, total energy = -11.037183571915222 Attempting to perform relaxation using initial lattice constant guess of a = [2.84888932] Angstroms and c = 4.419605932315409 = ([1.5513435] * a) Angstroms Optimization terminated successfully. Current function value: -11.037184 Iterations: 71 Function evaluations: 151 Results for this minimization: a = 2.858724889446666, c = 4.626950274613449, total energy = -11.037183571915214 Attempting to perform relaxation using initial lattice constant guess of a = [2.84888932] Angstroms and c = 4.652216770858325 = ([1.63299316] * a) Angstroms Optimization terminated successfully. Current function value: -11.037184 Iterations: 72 Function evaluations: 150 Results for this minimization: a = 2.858724875785425, c = 4.626950299107543, total energy = -11.037183571915222 Attempting to perform relaxation using initial lattice constant guess of a = [2.84888932] Angstroms and c = 4.884827609401241 = ([1.71464282] * a) Angstroms Optimization terminated successfully. Current function value: -11.037184 Iterations: 70 Function evaluations: 146 Results for this minimization: a = 2.8587249063518385, c = 4.626950262482268, total energy = -11.037183571915214 Attempting to perform relaxation using initial lattice constant guess of a = [2.84888932] Angstroms and c = 5.117438447944157 = ([1.79629248] * a) Angstroms Optimization terminated successfully. Current function value: -11.037184 Iterations: 71 Function evaluations: 149 Results for this minimization: a = 2.858724885721654, c = 4.6269502924116, total energy = -11.037183571915214 Attempting to perform relaxation using initial lattice constant guess of a = [2.84888932] Angstroms and c = 5.3500492864870735 = ([1.87794214] * a) Angstroms Optimization terminated successfully. Current function value: -11.037184 Iterations: 67 Function evaluations: 150 Results for this minimization: a = 2.8587248846859437, c = 4.6269502700121485, total energy = -11.037183571915222 Attempting to perform relaxation using initial lattice constant guess of a = [2.84888932] Angstroms and c = 5.58266012502999 = ([1.95959179] * a) Angstroms Optimization terminated successfully. Current function value: -11.037184 Iterations: 65 Function evaluations: 146 Results for this minimization: a = 2.8587248858470495, c = 4.626950278104353, total energy = -11.037183571915214 ============================================================================== ============================================================================== Finished with optimization ============================================================================== ============================================================================== Final lattice Constants: a = 2.8587248865483588 Angstroms, c = 4.6269502793296695 Angstroms, c/a = 1.618536 Total energy: -11.037183571915229 eV Cohesive energy: -2.759295892978807 eV/atom ============================================================================== ==============================================================================