Element = Lattice = Model = Element: Pt
Lattice: hcp
Model: MEAM_LAMMPS_LeeShimBaskes_2003_Pt__MO_534993486058_000
Computed model cutoff of 4.5000000042096095 Angstroms
Computed isolated atomic energy of 0.0 eV for species Pt

==============================================================================
==============================================================================
 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: -22.987560
         Iterations: 38
         Function evaluations: 82
Results for this minimization:
  a = 2.7711560964584394, total energy = -22.987560187705007

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: -22.987560
         Iterations: 39
         Function evaluations: 82
Results for this minimization:
  a = 2.771156103350222, total energy = -22.987560187705004

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: -22.987560
         Iterations: 38
         Function evaluations: 80
Results for this minimization:
  a = 2.7711561024188995, total energy = -22.987560187705004

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: -22.987560
         Iterations: 40
         Function evaluations: 84
Results for this minimization:
  a = 2.7711560994619577, total energy = -22.987560187705007

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: -22.987560
         Iterations: 38
         Function evaluations: 81
Results for this minimization:
  a = 2.7711561128497157, total energy = -22.987560187705004

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: -22.987560
         Iterations: 37
         Function evaluations: 77
Results for this minimization:
  a = 2.771156105771663, total energy = -22.987560187705004

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: -22.987560
         Iterations: 36
         Function evaluations: 79
Results for this minimization:
  a = 2.771156094409525, total energy = -22.987560187705

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: -22.987560
         Iterations: 38
         Function evaluations: 81
Results for this minimization:
  a = 2.7711561091127805, total energy = -22.987560187705007

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: -22.987560
         Iterations: 35
         Function evaluations: 75
Results for this minimization:
  a = 2.7711560964584376, total energy = -22.987560187705007

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: -22.987560
         Iterations: 36
         Function evaluations: 78
Results for this minimization:
  a = 2.7711561065167194, total energy = -22.987560187705007

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: -22.987560
         Iterations: 35
         Function evaluations: 75
Results for this minimization:
  a = 2.7711560949683194, total energy = -22.987560187705004

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: -22.987560
         Iterations: 34
         Function evaluations: 73
Results for this minimization:
  a = 2.7711561042815434, total energy = -22.987560187705007

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: -22.987560
         Iterations: 34
         Function evaluations: 73
Results for this minimization:
  a = 2.7711561042815447, total energy = -22.98756018770501

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: -22.987560
         Iterations: 33
         Function evaluations: 70
Results for this minimization:
  a = 2.771156103577232, total energy = -22.987560187705007

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: -22.987560
         Iterations: 32
         Function evaluations: 69
Results for this minimization:
  a = 2.7711560986936092, total energy = -22.987560187705007

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: -22.987560
         Iterations: 33
         Function evaluations: 71
Results for this minimization:
  a = 2.771156102837993, total energy = -22.987560187705004

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: -22.987560
         Iterations: 34
         Function evaluations: 73
Results for this minimization:
  a = 2.7711561078205693, total energy = -22.987560187705004

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: -22.987560
         Iterations: 34
         Function evaluations: 72
Results for this minimization:
  a = 2.7711561042815447, total energy = -22.987560187705007

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: -22.987560
         Iterations: 35
         Function evaluations: 75
Results for this minimization:
  a = 2.7711561039555814, total energy = -22.987560187705007

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: -22.987560
         Iterations: 35
         Function evaluations: 74
Results for this minimization:
  a = 2.771156096644699, total energy = -22.987560187705007

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: -22.987560
         Iterations: 35
         Function evaluations: 75
Results for this minimization:
  a = 2.771156111359595, total energy = -22.987560187705004

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: -22.987560
         Iterations: 36
         Function evaluations: 77
Results for this minimization:
  a = 2.771156114712356, total energy = -22.987560187704997

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: -22.987560
         Iterations: 36
         Function evaluations: 76
Results for this minimization:
  a = 2.771156104747206, total energy = -22.987560187705004

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: -22.987560
         Iterations: 36
         Function evaluations: 77
Results for this minimization:
  a = 2.771156095899639, total energy = -22.987560187705004

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: -22.987560
         Iterations: 36
         Function evaluations: 76
Results for this minimization:
  a = 2.7711561083793628, total energy = -22.987560187705007

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: -22.987560
         Iterations: 37
         Function evaluations: 78
Results for this minimization:
  a = 2.7711560997180653, total energy = -22.987560187705004

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: -22.987560
         Iterations: 36
         Function evaluations: 76
Results for this minimization:
  a = 2.7711561033502186, total energy = -22.987560187705007

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: -22.987560
         Iterations: 39
         Function evaluations: 82
Results for this minimization:
  a = 2.771156106959097, total energy = -22.987560187705004

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: -22.987560
         Iterations: 38
         Function evaluations: 80
Results for this minimization:
  a = 2.7711561037693135, total energy = -22.98756018770501

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: -22.987560
         Iterations: 38
         Function evaluations: 81
Results for this minimization:
  a = 2.7711560997413467, total energy = -22.987560187705004

==============================================================================
==============================================================================
 Starting optimization with both a and c/a relaxed
==============================================================================
==============================================================================


Attempting to perform relaxation using initial lattice constant guess of a = [2.7711561] Angstroms and c = 3.6202231749806053 = ([1.30639453] * a) Angstroms

Optimization terminated successfully.
         Current function value: -22.990719
         Iterations: 72
         Function evaluations: 150
Results for this minimization:
  a = 2.759725796320137, c = 4.563361457147268, total energy = -22.990718750152663

Attempting to perform relaxation using initial lattice constant guess of a = [2.7711561] Angstroms and c = 3.8464871234168934 = ([1.38804419] * a) Angstroms

Optimization terminated successfully.
         Current function value: -22.990719
         Iterations: 67
         Function evaluations: 149
Results for this minimization:
  a = 2.759725796030228, c = 4.563361426019584, total energy = -22.99071875015266

Attempting to perform relaxation using initial lattice constant guess of a = [2.7711561] Angstroms and c = 4.072751071853181 = ([1.46969385] * a) Angstroms

Optimization terminated successfully.
         Current function value: -22.990719
         Iterations: 69
         Function evaluations: 149
Results for this minimization:
  a = 2.7597257986318597, c = 4.563361437704057, total energy = -22.990718750152663

Attempting to perform relaxation using initial lattice constant guess of a = [2.7711561] Angstroms and c = 4.2990150202894695 = ([1.5513435] * a) Angstroms

Optimization terminated successfully.
         Current function value: -22.990719
         Iterations: 69
         Function evaluations: 152
Results for this minimization:
  a = 2.7597258065171264, c = 4.563361394042872, total energy = -22.990718750152656

Attempting to perform relaxation using initial lattice constant guess of a = [2.7711561] Angstroms and c = 4.5252789687257575 = ([1.63299316] * a) Angstroms

Optimization terminated successfully.
         Current function value: -22.990719
         Iterations: 70
         Function evaluations: 154
Results for this minimization:
  a = 2.7597257947939577, c = 4.563361468800485, total energy = -22.990718750152663

Attempting to perform relaxation using initial lattice constant guess of a = [2.7711561] Angstroms and c = 4.751542917162046 = ([1.71464282] * a) Angstroms

Optimization terminated successfully.
         Current function value: -22.990719
         Iterations: 79
         Function evaluations: 163
Results for this minimization:
  a = 2.759725801364869, c = 4.563361454633098, total energy = -22.99071875015266

Attempting to perform relaxation using initial lattice constant guess of a = [2.7711561] Angstroms and c = 4.977806865598334 = ([1.79629248] * a) Angstroms

Optimization terminated successfully.
         Current function value: -22.990719
         Iterations: 72
         Function evaluations: 152
Results for this minimization:
  a = 2.759725798495124, c = 4.563361469168307, total energy = -22.990718750152663

Attempting to perform relaxation using initial lattice constant guess of a = [2.7711561] Angstroms and c = 5.204070814034622 = ([1.87794214] * a) Angstroms

Optimization terminated successfully.
         Current function value: -22.990719
         Iterations: 76
         Function evaluations: 157
Results for this minimization:
  a = 2.7597258126489583, c = 4.563361406765493, total energy = -22.99071875015266

Attempting to perform relaxation using initial lattice constant guess of a = [2.7711561] Angstroms and c = 5.43033476247091 = ([1.95959179] * a) Angstroms

Optimization terminated successfully.
         Current function value: -22.990719
         Iterations: 73
         Function evaluations: 155
Results for this minimization:
  a = 2.7597258100784305, c = 4.563361420207729, total energy = -22.990718750152663

Attempting to perform relaxation using initial lattice constant guess of a = [2.7711561] Angstroms and c = 5.656598710907198 = ([2.04124145] * a) Angstroms

Optimization terminated successfully.
         Current function value: -22.990719
         Iterations: 71
         Function evaluations: 149
Results for this minimization:
  a = 2.7597257964984534, c = 4.563361430518455, total energy = -22.99071875015266

==============================================================================
==============================================================================
 Finished with optimization
==============================================================================
==============================================================================

 Final lattice Constants:
   a = 2.759725796320137 Angstroms, c = 4.563361457147268 Angstroms, c/a = 1.653556

 Total energy: -22.990718750152663 eV

 Cohesive energy: -5.747679687538166 eV/atom

==============================================================================
==============================================================================