Element = Lattice = Model = Element: Mo Lattice: hcp Model: SNAP_ZuoChenLi_2019_Mo__MO_014123846623_000 Computed model cutoff of 4.599999965541095 Angstroms Computed isolated atomic energy of -5.354605693549905 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: -20.462729 Iterations: 39 Function evaluations: 82 Results for this minimization: a = 2.832434701733294, total energy = -20.462728672945893 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: -20.462729 Iterations: 39 Function evaluations: 83 Results for this minimization: a = 2.8324347054585806, total energy = -20.462728672945886 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: -20.462729 Iterations: 38 Function evaluations: 81 Results for this minimization: a = 2.832434695097618, total energy = -20.462728672945886 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: -20.462729 Iterations: 38 Function evaluations: 82 Results for this minimization: a = 2.832434708625084, total energy = -20.462728672945893 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: -20.462729 Iterations: 39 Function evaluations: 84 Results for this minimization: a = 2.8324347127229004, total energy = -20.462728672945886 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: -20.462729 Iterations: 38 Function evaluations: 80 Results for this minimization: a = 2.832434694468977, total energy = -20.46272867294588 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: -20.462729 Iterations: 36 Function evaluations: 76 Results for this minimization: a = 2.8324347050860523, total energy = -20.462728672945893 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: -20.462729 Iterations: 36 Function evaluations: 77 Results for this minimization: a = 2.8324347033631057, total energy = -20.462728672945893 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: -20.462729 Iterations: 35 Function evaluations: 74 Results for this minimization: a = 2.832434707880022, total energy = -20.462728672945886 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: -20.462729 Iterations: 35 Function evaluations: 75 Results for this minimization: a = 2.832434702664615, total energy = -20.4627286729459 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: -20.462729 Iterations: 35 Function evaluations: 76 Results for this minimization: a = 2.8324347138404846, total energy = -20.46272867294588 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: -20.462729 Iterations: 36 Function evaluations: 76 Results for this minimization: a = 2.83243470721063, total energy = -20.462728672945893 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: -20.462729 Iterations: 34 Function evaluations: 72 Results for this minimization: a = 2.8324346989393234, total energy = -20.462728672945893 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: -20.462729 Iterations: 33 Function evaluations: 70 Results for this minimization: a = 2.8324347047600904, total energy = -20.462728672945893 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: -20.462729 Iterations: 32 Function evaluations: 70 Results for this minimization: a = 2.832434708625078, total energy = -20.462728672945886 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: -20.462729 Iterations: 32 Function evaluations: 71 Results for this minimization: a = 2.8324346967041496, total energy = -20.462728672945893 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: -20.462729 Iterations: 34 Function evaluations: 72 Results for this minimization: a = 2.8324347026646133, total energy = -20.4627286729459 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: -20.462729 Iterations: 34 Function evaluations: 72 Results for this minimization: a = 2.8324346989393234, total energy = -20.46272867294588 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: -20.462729 Iterations: 35 Function evaluations: 75 Results for this minimization: a = 2.8324347014306097, total energy = -20.462728672945893 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: -20.462729 Iterations: 34 Function evaluations: 74 Results for this minimization: a = 2.8324347058776764, total energy = -20.462728672945893 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: -20.462729 Iterations: 35 Function evaluations: 75 Results for this minimization: a = 2.8324347181245675, total energy = -20.46272867294588 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: -20.462729 Iterations: 36 Function evaluations: 76 Results for this minimization: a = 2.8324347013083733, total energy = -20.462728672945893 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: -20.462729 Iterations: 35 Function evaluations: 73 Results for this minimization: a = 2.8324347033631057, total energy = -20.462728672945893 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: -20.462729 Iterations: 36 Function evaluations: 77 Results for this minimization: a = 2.8324346944806127, total energy = -20.462728672945893 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 = [2.8324347] Angstroms and c = 3.700277200682718 = ([1.30639453] * a) Angstroms Optimization terminated successfully. Current function value: -20.465254 Iterations: 70 Function evaluations: 148 Results for this minimization: a = 2.8219198545489457, c = 4.659646031098086, total energy = -20.46525389057765 Attempting to perform relaxation using initial lattice constant guess of a = [2.8324347] Angstroms and c = 3.931544525725388 = ([1.38804419] * a) Angstroms Optimization terminated successfully. Current function value: -20.465254 Iterations: 73 Function evaluations: 151 Results for this minimization: a = 2.8219198602421196, c = 4.659646019691053, total energy = -20.465253890577657 Attempting to perform relaxation using initial lattice constant guess of a = [2.8324347] Angstroms and c = 4.162811850768058 = ([1.46969385] * a) Angstroms Optimization terminated successfully. Current function value: -20.465254 Iterations: 70 Function evaluations: 152 Results for this minimization: a = 2.8219198448762093, c = 4.659646059383465, total energy = -20.465253890577657 Attempting to perform relaxation using initial lattice constant guess of a = [2.8324347] Angstroms and c = 4.394079175810727 = ([1.5513435] * a) Angstroms Optimization terminated successfully. Current function value: -20.465254 Iterations: 70 Function evaluations: 153 Results for this minimization: a = 2.8219198632077274, c = 4.659646026723407, total energy = -20.465253890577657 Attempting to perform relaxation using initial lattice constant guess of a = [2.8324347] Angstroms and c = 4.625346500853398 = ([1.63299316] * a) Angstroms Optimization terminated successfully. Current function value: -20.465254 Iterations: 67 Function evaluations: 141 Results for this minimization: a = 2.8219198611830203, c = 4.659645969259843, total energy = -20.46525389057765 Attempting to perform relaxation using initial lattice constant guess of a = [2.8324347] Angstroms and c = 4.856613825896067 = ([1.71464282] * a) Angstroms Optimization terminated successfully. Current function value: -20.465254 Iterations: 70 Function evaluations: 147 Results for this minimization: a = 2.8219198499176468, c = 4.659646047819745, total energy = -20.465253890577657 Attempting to perform relaxation using initial lattice constant guess of a = [2.8324347] Angstroms and c = 5.087881150938738 = ([1.79629248] * a) Angstroms Optimization terminated successfully. Current function value: -20.465254 Iterations: 78 Function evaluations: 162 Results for this minimization: a = 2.821919845994331, c = 4.659646070136383, total energy = -20.465253890577664 Attempting to perform relaxation using initial lattice constant guess of a = [2.8324347] Angstroms and c = 5.319148475981407 = ([1.87794214] * a) Angstroms Optimization terminated successfully. Current function value: -20.465254 Iterations: 77 Function evaluations: 162 Results for this minimization: a = 2.8219198482251224, c = 4.659646055169533, total energy = -20.465253890577664 Attempting to perform relaxation using initial lattice constant guess of a = [2.8324347] Angstroms and c = 5.550415801024078 = ([1.95959179] * a) Angstroms Optimization terminated successfully. Current function value: -20.465254 Iterations: 76 Function evaluations: 160 Results for this minimization: a = 2.8219198540505204, c = 4.659646035639784, total energy = -20.46525389057767 ============================================================================== ============================================================================== Finished with optimization ============================================================================== ============================================================================== Final lattice Constants: a = 2.8219198540505204 Angstroms, c = 4.659646035639784 Angstroms, c/a = 1.651233 Total energy: -20.46525389057767 eV Cohesive energy: -5.116313472644418 eV/atom ============================================================================== ==============================================================================