Element = Lattice = Model = Element: Al
Lattice: hcp
Model: EAM_Dynamo_CaiYe_1996_AlCu__MO_942551040047_005
Computed model cutoff of 6.682500007450609 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: -13.272223
         Iterations: 40
         Function evaluations: 87
Results for this minimization:
  a = 2.863863277062776, total energy = -13.272222528392629

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: -13.272223
         Iterations: 40
         Function evaluations: 87
Results for this minimization:
  a = 2.86386339047458, total energy = -13.27222252839273

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: -13.272223
         Iterations: 39
         Function evaluations: 81
Results for this minimization:
  a = 2.863863403967116, total energy = -13.27222252839278

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: -13.272223
         Iterations: 38
         Function evaluations: 83
Results for this minimization:
  a = 2.863863352005143, total energy = -13.272222528392764

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: -13.272223
         Iterations: 38
         Function evaluations: 79
Results for this minimization:
  a = 2.863863357156518, total energy = -13.272222528392783

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: -13.272223
         Iterations: 38
         Function evaluations: 81
Results for this minimization:
  a = 2.8638633333379415, total energy = -13.272222528392732

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: -13.272223
         Iterations: 36
         Function evaluations: 77
Results for this minimization:
  a = 2.8638633295893667, total energy = -13.272222528392712

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: -13.272223
         Iterations: 36
         Function evaluations: 78
Results for this minimization:
  a = 2.863863321952522, total energy = -13.272222528392733

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: -13.272223
         Iterations: 38
         Function evaluations: 83
Results for this minimization:
  a = 2.863863387703898, total energy = -13.272222528392717

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: -13.272223
         Iterations: 38
         Function evaluations: 81
Results for this minimization:
  a = 2.863863393338398, total energy = -13.272222528392765

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: -13.272223
         Iterations: 36
         Function evaluations: 79
Results for this minimization:
  a = 2.863863390474581, total energy = -13.27222252839273

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: -13.272223
         Iterations: 38
         Function evaluations: 85
Results for this minimization:
  a = 2.86386335348361, total energy = -13.272222528392714

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: -13.272223
         Iterations: 35
         Function evaluations: 77
Results for this minimization:
  a = 2.8638633340597153, total energy = -13.272222528392755

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: -13.272223
         Iterations: 35
         Function evaluations: 74
Results for this minimization:
  a = 2.8638633531401867, total energy = -13.27222252839271

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: -13.272223
         Iterations: 32
         Function evaluations: 68
Results for this minimization:
  a = 2.863863352453337, total energy = -13.272222528392714

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: -13.272223
         Iterations: 32
         Function evaluations: 69
Results for this minimization:
  a = 2.8638633697555633, total energy = -13.272222528392762

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: -13.272223
         Iterations: 33
         Function evaluations: 71
Results for this minimization:
  a = 2.8638633929193014, total energy = -13.272222528392783

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: -13.272223
         Iterations: 34
         Function evaluations: 74
Results for this minimization:
  a = 2.8638633340597153, total energy = -13.272222528392758

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: -13.272223
         Iterations: 35
         Function evaluations: 75
Results for this minimization:
  a = 2.8638633333379393, total energy = -13.272222528392724

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: -13.272223
         Iterations: 34
         Function evaluations: 73
Results for this minimization:
  a = 2.8638633236289017, total energy = -13.27222252839272

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: -13.272223
         Iterations: 35
         Function evaluations: 75
Results for this minimization:
  a = 2.863863329589366, total energy = -13.272222528392703

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: -13.272223
         Iterations: 36
         Function evaluations: 78
Results for this minimization:
  a = 2.863863345084244, total energy = -13.272222528392714

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: -13.272223
         Iterations: 36
         Function evaluations: 79
Results for this minimization:
  a = 2.8638633547816426, total energy = -13.272222528392739

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: -13.272223
         Iterations: 37
         Function evaluations: 79
Results for this minimization:
  a = 2.863863392407072, total energy = -13.272222528392716

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: -13.272223
         Iterations: 37
         Function evaluations: 81
Results for this minimization:
  a = 2.863863277062772, total energy = -13.272222528392623

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: -13.272223
         Iterations: 36
         Function evaluations: 78
Results for this minimization:
  a = 2.8638633309718, total energy = -13.272222528392703

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: -13.272223
         Iterations: 38
         Function evaluations: 81
Results for this minimization:
  a = 2.8638633933383946, total energy = -13.27222252839276

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: -13.272223
         Iterations: 39
         Function evaluations: 85
Results for this minimization:
  a = 2.863863384554861, total energy = -13.272222528392732

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: -13.272223
         Iterations: 39
         Function evaluations: 86
Results for this minimization:
  a = 2.8638633904745765, total energy = -13.272222528392742

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: -13.272223
         Iterations: 39
         Function evaluations: 83
Results for this minimization:
  a = 2.8638634034898125, total energy = -13.272222528392719

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: -13.272223
         Iterations: 37
         Function evaluations: 82
Results for this minimization:
  a = 2.863863354921343, total energy = -13.272222528392708

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: -13.272223
         Iterations: 37
         Function evaluations: 78
Results for this minimization:
  a = 2.8638633383321555, total energy = -13.272222528392742

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: -13.272223
         Iterations: 39
         Function evaluations: 85
Results for this minimization:
  a = 2.8638633340597153, total energy = -13.272222528392753

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: -13.272223
         Iterations: 40
         Function evaluations: 84
Results for this minimization:
  a = 2.8638633308233654, total energy = -13.272222528392753

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: -13.272223
         Iterations: 39
         Function evaluations: 85
Results for this minimization:
  a = 2.863863343605769, total energy = -13.272222528392719

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: -13.272223
         Iterations: 40
         Function evaluations: 89
Results for this minimization:
  a = 2.8638633580179897, total energy = -13.272222528392724

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: -13.272223
         Iterations: 38
         Function evaluations: 81
Results for this minimization:
  a = 2.8638633524533335, total energy = -13.272222528392708

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: -13.272223
         Iterations: 39
         Function evaluations: 84
Results for this minimization:
  a = 2.8638633884838782, total energy = -13.272222528392694

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: -13.272223
         Iterations: 38
         Function evaluations: 81
Results for this minimization:
  a = 2.863863369822497, total energy = -13.272222528392755

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: -13.272223
         Iterations: 40
         Function evaluations: 85
Results for this minimization:
  a = 2.8638633722322973, total energy = -13.272222528392717

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: -13.272223
         Iterations: 38
         Function evaluations: 81
Results for this minimization:
  a = 2.863863357156507, total energy = -13.272222528392781

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: -13.272223
         Iterations: 38
         Function evaluations: 83
Results for this minimization:
  a = 2.8638633633265234, total energy = -13.272222528392758

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: -13.272223
         Iterations: 38
         Function evaluations: 82
Results for this minimization:
  a = 2.8638633340597153, total energy = -13.272222528392758

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: -13.272223
         Iterations: 39
         Function evaluations: 82
Results for this minimization:
  a = 2.8638633666210787, total energy = -13.272222528392764

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: -13.272223
         Iterations: 39
         Function evaluations: 83
Results for this minimization:
  a = 2.863863333337933, total energy = -13.27222252839271

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: -13.272223
         Iterations: 40
         Function evaluations: 86
Results for this minimization:
  a = 2.863863279670469, total energy = -13.272222528392653

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: -13.272223
         Iterations: 39
         Function evaluations: 83
Results for this minimization:
  a = 2.863863323628898, total energy = -13.272222528392714

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


Attempting to perform relaxation using initial lattice constant guess of a = [2.86386336] Angstroms and c = 3.741335422979994 = ([1.30639453] * a) Angstroms

Optimization terminated successfully.
         Current function value: -13.272223
         Iterations: 71
         Function evaluations: 152
Results for this minimization:
  a = 2.864001435788598, c = 4.676219151257472, total energy = -13.272222718344926

Attempting to perform relaxation using initial lattice constant guess of a = [2.86386336] Angstroms and c = 3.9751688869162436 = ([1.38804419] * a) Angstroms

Optimization terminated successfully.
         Current function value: -13.272223
         Iterations: 74
         Function evaluations: 160
Results for this minimization:
  a = 2.864001401855062, c = 4.676219150877274, total energy = -13.27222271834492

Attempting to perform relaxation using initial lattice constant guess of a = [2.86386336] Angstroms and c = 4.209002350852494 = ([1.46969385] * a) Angstroms

Optimization terminated successfully.
         Current function value: -13.272223
         Iterations: 70
         Function evaluations: 152
Results for this minimization:
  a = 2.864001432271036, c = 4.676219004245377, total energy = -13.272222718344945

Attempting to perform relaxation using initial lattice constant guess of a = [2.86386336] Angstroms and c = 4.442835814788743 = ([1.5513435] * a) Angstroms

Optimization terminated successfully.
         Current function value: -13.272223
         Iterations: 70
         Function evaluations: 148
Results for this minimization:
  a = 2.864001416478178, c = 4.676219068766644, total energy = -13.272222718344953

Attempting to perform relaxation using initial lattice constant guess of a = [2.86386336] Angstroms and c = 4.676669278724992 = ([1.63299316] * a) Angstroms

Optimization terminated successfully.
         Current function value: -13.272223
         Iterations: 64
         Function evaluations: 137
Results for this minimization:
  a = 2.8640014117381507, c = 4.676219093635177, total energy = -13.27222271834497

Attempting to perform relaxation using initial lattice constant guess of a = [2.86386336] Angstroms and c = 4.910502742661242 = ([1.71464282] * a) Angstroms

Optimization terminated successfully.
         Current function value: -13.272223
         Iterations: 71
         Function evaluations: 150
Results for this minimization:
  a = 2.8640014577386035, c = 4.67621898628772, total energy = -13.27222271834495

Attempting to perform relaxation using initial lattice constant guess of a = [2.86386336] Angstroms and c = 5.144336206597492 = ([1.79629248] * a) Angstroms

Optimization terminated successfully.
         Current function value: -13.272223
         Iterations: 74
         Function evaluations: 158
Results for this minimization:
  a = 2.864001416750315, c = 4.676219095187735, total energy = -13.272222718344947

Attempting to perform relaxation using initial lattice constant guess of a = [2.86386336] Angstroms and c = 5.378169670533741 = ([1.87794214] * a) Angstroms

Optimization terminated successfully.
         Current function value: -13.272223
         Iterations: 69
         Function evaluations: 154
Results for this minimization:
  a = 2.864001418038026, c = 4.676219071485714, total energy = -13.272222718344953

Attempting to perform relaxation using initial lattice constant guess of a = [2.86386336] Angstroms and c = 5.61200313446999 = ([1.95959179] * a) Angstroms

Optimization terminated successfully.
         Current function value: -13.272223
         Iterations: 72
         Function evaluations: 154
Results for this minimization:
  a = 2.86400142831422, c = 4.676219186089003, total energy = -13.272222718344922

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

 Final lattice Constants:
   a = 2.8640014117381507 Angstroms, c = 4.676219093635177 Angstroms, c/a = 1.632757

 Total energy: -13.27222271834497 eV

 Cohesive energy: -3.3180556795862426 eV/atom

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