Element = Lattice = Model = Element: Ar
Lattice: hcp
Model: LJ_Shifted_Bernardes_1958LowCutoff_Ar__MO_720819638419_004
Computed model cutoff of 9.229999999031442 Angstroms
Computed isolated atomic energy of 0.0 eV for species Ar

==============================================================================
==============================================================================
 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: -0.320572
         Iterations: 42
         Function evaluations: 87
Results for this minimization:
  a = 3.7241705536842393, total energy = -0.32057246806157297

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: -0.320572
         Iterations: 42
         Function evaluations: 89
Results for this minimization:
  a = 3.724170533817959, total energy = -0.32057246806157297

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: -0.320572
         Iterations: 41
         Function evaluations: 85
Results for this minimization:
  a = 3.7241705416236073, total energy = -0.32057246806157313

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: -0.320572
         Iterations: 39
         Function evaluations: 82
Results for this minimization:
  a = 3.7241705320775615, total energy = -0.320572468061573

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: -0.320572
         Iterations: 40
         Function evaluations: 87
Results for this minimization:
  a = 3.7241705367341695, total energy = -0.3205724680615732

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: -0.320572
         Iterations: 39
         Function evaluations: 82
Results for this minimization:
  a = 3.7241705375257905, total energy = -0.32057246806157313

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: -0.320572
         Iterations: 38
         Function evaluations: 79
Results for this minimization:
  a = 3.724170533241704, total energy = -0.3205724680615726

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: -0.320572
         Iterations: 40
         Function evaluations: 83
Results for this minimization:
  a = 3.7241705368214753, total energy = -0.320572468061573

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: -0.320572
         Iterations: 37
         Function evaluations: 79
Results for this minimization:
  a = 3.724170541949573, total energy = -0.3205724680615732

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: -0.320572
         Iterations: 38
         Function evaluations: 82
Results for this minimization:
  a = 3.7241705421358375, total energy = -0.3205724680615726

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: -0.320572
         Iterations: 39
         Function evaluations: 85
Results for this minimization:
  a = 3.724170533660799, total energy = -0.32057246806157297

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: -0.320572
         Iterations: 37
         Function evaluations: 79
Results for this minimization:
  a = 3.724170568640689, total energy = -0.3205724680615726

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: -0.320572
         Iterations: 39
         Function evaluations: 82
Results for this minimization:
  a = 3.7241705479100347, total energy = -0.320572468061573

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: -0.320572
         Iterations: 37
         Function evaluations: 79
Results for this minimization:
  a = 3.7241705479100364, total energy = -0.3205724680615731

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: -0.320572
         Iterations: 37
         Function evaluations: 81
Results for this minimization:
  a = 3.7241705320775553, total energy = -0.32057246806157264

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: -0.320572
         Iterations: 36
         Function evaluations: 77
Results for this minimization:
  a = 3.7241705529391766, total energy = -0.3205724680615732

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: -0.320572
         Iterations: 35
         Function evaluations: 76
Results for this minimization:
  a = 3.724170536734166, total energy = -0.320572468061573

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: -0.320572
         Iterations: 34
         Function evaluations: 73
Results for this minimization:
  a = 3.7241705367341638, total energy = -0.3205724680615731

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: -0.320572
         Iterations: 36
         Function evaluations: 78
Results for this minimization:
  a = 3.7241705272346746, total energy = -0.32057246806157275

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: -0.320572
         Iterations: 34
         Function evaluations: 72
Results for this minimization:
  a = 3.7241705393185836, total energy = -0.32057246806157275

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: -0.320572
         Iterations: 32
         Function evaluations: 65
Results for this minimization:
  a = 3.724170542368665, total energy = -0.32057246806157336

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: -0.320572
         Iterations: 32
         Function evaluations: 69
Results for this minimization:
  a = 3.7241705532214846, total energy = -0.3205724680615729

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: -0.320572
         Iterations: 32
         Function evaluations: 68
Results for this minimization:
  a = 3.7241705417982303, total energy = -0.32057246806157325

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: -0.320572
         Iterations: 34
         Function evaluations: 73
Results for this minimization:
  a = 3.7241705637425184, total energy = -0.3205724680615725

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: -0.320572
         Iterations: 34
         Function evaluations: 72
Results for this minimization:
  a = 3.7241705530323075, total energy = -0.3205724680615736

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: -0.320572
         Iterations: 34
         Function evaluations: 72
Results for this minimization:
  a = 3.724170542322099, total energy = -0.3205724680615724

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: -0.320572
         Iterations: 35
         Function evaluations: 75
Results for this minimization:
  a = 3.7241705428285057, total energy = -0.32057246806157264

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: -0.320572
         Iterations: 36
         Function evaluations: 77
Results for this minimization:
  a = 3.7241705479100347, total energy = -0.3205724680615731

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: -0.320572
         Iterations: 37
         Function evaluations: 80
Results for this minimization:
  a = 3.724170533765572, total energy = -0.3205724680615728

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: -0.320572
         Iterations: 37
         Function evaluations: 80
Results for this minimization:
  a = 3.7241705585271108, total energy = -0.32057246806157264

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: -0.320572
         Iterations: 36
         Function evaluations: 78
Results for this minimization:
  a = 3.7241705685853965, total energy = -0.32057246806157247

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: -0.320572
         Iterations: 38
         Function evaluations: 82
Results for this minimization:
  a = 3.72417054902762, total energy = -0.3205724680615725

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: -0.320572
         Iterations: 37
         Function evaluations: 79
Results for this minimization:
  a = 3.7241705579217523, total energy = -0.32057246806157297

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: -0.320572
         Iterations: 38
         Function evaluations: 83
Results for this minimization:
  a = 3.724170538992618, total energy = -0.3205724680615735

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: -0.320572
         Iterations: 38
         Function evaluations: 80
Results for this minimization:
  a = 3.7241705417982294, total energy = -0.32057246806157336

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: -0.320572
         Iterations: 37
         Function evaluations: 80
Results for this minimization:
  a = 3.724170563369991, total energy = -0.3205724680615728

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: -0.320572
         Iterations: 37
         Function evaluations: 77
Results for this minimization:
  a = 3.7241705520544173, total energy = -0.320572468061573

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: -0.320572
         Iterations: 38
         Function evaluations: 82
Results for this minimization:
  a = 3.7241705479100347, total energy = -0.32057246806157313

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: -0.320572
         Iterations: 37
         Function evaluations: 79
Results for this minimization:
  a = 3.724170552939173, total energy = -0.32057246806157313

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: -0.320572
         Iterations: 41
         Function evaluations: 90
Results for this minimization:
  a = 3.7241705497901396, total energy = -0.32057246806157297

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: -0.320572
         Iterations: 38
         Function evaluations: 83
Results for this minimization:
  a = 3.724170541204507, total energy = -0.32057246806157325

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: -0.320572
         Iterations: 39
         Function evaluations: 83
Results for this minimization:
  a = 3.724170531611887, total energy = -0.32057246806157336

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: -0.320572
         Iterations: 38
         Function evaluations: 81
Results for this minimization:
  a = 3.7241705367341638, total energy = -0.32057246806157297

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: -0.320572
         Iterations: 39
         Function evaluations: 83
Results for this minimization:
  a = 3.7241705627180606, total energy = -0.3205724680615726

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: -0.320572
         Iterations: 39
         Function evaluations: 82
Results for this minimization:
  a = 3.724170532077547, total energy = -0.32057246806157297

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: -0.320572
         Iterations: 41
         Function evaluations: 87
Results for this minimization:
  a = 3.724170540575863, total energy = -0.32057246806157247

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: -0.320572
         Iterations: 38
         Function evaluations: 81
Results for this minimization:
  a = 3.7241705412045083, total energy = -0.32057246806157286

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: -0.320572
         Iterations: 38
         Function evaluations: 80
Results for this minimization:
  a = 3.724170537519967, total energy = -0.32057246806157325

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: -0.320572
         Iterations: 38
         Function evaluations: 79
Results for this minimization:
  a = 3.7241705420427005, total energy = -0.3205724680615732

Attempting to perform relaxation using initial lattice constant guess of a = 7.125 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -0.320572
         Iterations: 38
         Function evaluations: 82
Results for this minimization:
  a = 3.724170562945069, total energy = -0.3205724680615727

Attempting to perform relaxation using initial lattice constant guess of a = 7.25 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -0.320572
         Iterations: 39
         Function evaluations: 83
Results for this minimization:
  a = 3.7241705507738447, total energy = -0.32057246806157275

Attempting to perform relaxation using initial lattice constant guess of a = 7.375 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -0.320572
         Iterations: 38
         Function evaluations: 81
Results for this minimization:
  a = 3.724170547164973, total energy = -0.3205724680615731

Attempting to perform relaxation using initial lattice constant guess of a = 7.5 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -0.320572
         Iterations: 38
         Function evaluations: 80
Results for this minimization:
  a = 3.7241705416236073, total energy = -0.320572468061573

Attempting to perform relaxation using initial lattice constant guess of a = 7.625 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -0.320572
         Iterations: 38
         Function evaluations: 82
Results for this minimization:
  a = 3.7241705320775544, total energy = -0.3205724680615728

Attempting to perform relaxation using initial lattice constant guess of a = 7.75 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -0.320572
         Iterations: 38
         Function evaluations: 82
Results for this minimization:
  a = 3.7241705521941078, total energy = -0.32057246806157275

Attempting to perform relaxation using initial lattice constant guess of a = 7.875 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -0.320572
         Iterations: 41
         Function evaluations: 86
Results for this minimization:
  a = 3.724170547359965, total energy = -0.32057246806157336

Attempting to perform relaxation using initial lattice constant guess of a = 8.0 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -0.320572
         Iterations: 40
         Function evaluations: 82
Results for this minimization:
  a = 3.7241705415770365, total energy = -0.32057246806157313

Attempting to perform relaxation using initial lattice constant guess of a = 8.125 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -0.320572
         Iterations: 39
         Function evaluations: 83
Results for this minimization:
  a = 3.724170531888376, total energy = -0.3205724680615728

Attempting to perform relaxation using initial lattice constant guess of a = 8.25 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -0.320572
         Iterations: 40
         Function evaluations: 84
Results for this minimization:
  a = 3.7241705423221023, total energy = -0.3205724680615726

Attempting to perform relaxation using initial lattice constant guess of a = 8.375 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -0.320572
         Iterations: 39
         Function evaluations: 82
Results for this minimization:
  a = 3.7241705530322973, total energy = -0.3205724680615732

Attempting to perform relaxation using initial lattice constant guess of a = 8.5 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -0.320572
         Iterations: 39
         Function evaluations: 83
Results for this minimization:
  a = 3.7241705489635857, total energy = -0.3205724680615728

Attempting to perform relaxation using initial lattice constant guess of a = 8.625 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -0.320572
         Iterations: 40
         Function evaluations: 85
Results for this minimization:
  a = 3.7241705529391727, total energy = -0.320572468061573

Attempting to perform relaxation using initial lattice constant guess of a = 8.75 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -0.320572
         Iterations: 41
         Function evaluations: 87
Results for this minimization:
  a = 3.7241705479100347, total energy = -0.32057246806157313

Attempting to perform relaxation using initial lattice constant guess of a = 8.875 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -0.320572
         Iterations: 40
         Function evaluations: 85
Results for this minimization:
  a = 3.7241705301348738, total energy = -0.32057246806157275

Attempting to perform relaxation using initial lattice constant guess of a = 9.0 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -0.320572
         Iterations: 41
         Function evaluations: 87
Results for this minimization:
  a = 3.7241705533582605, total energy = -0.32057246806157297

Attempting to perform relaxation using initial lattice constant guess of a = 9.125 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -0.320572
         Iterations: 40
         Function evaluations: 84
Results for this minimization:
  a = 3.7241705342370475, total energy = -0.32057246806157297

Attempting to perform relaxation using initial lattice constant guess of a = 9.25 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -0.320572
         Iterations: 41
         Function evaluations: 88
Results for this minimization:
  a = 3.724170558957844, total energy = -0.3205724680615725

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


Attempting to perform relaxation using initial lattice constant guess of a = [3.72417055] Angstroms and c = 4.865236037348157 = ([1.30639453] * a) Angstroms

Optimization terminated successfully.
         Current function value: -0.320573
         Iterations: 75
         Function evaluations: 158
Results for this minimization:
  a = 3.7235044106648925, c = 6.0837218510711075, total energy = -0.32057288341085693

Attempting to perform relaxation using initial lattice constant guess of a = [3.72417055] Angstroms and c = 5.1693132896824165 = ([1.38804419] * a) Angstroms

Optimization terminated successfully.
         Current function value: -0.320573
         Iterations: 72
         Function evaluations: 152
Results for this minimization:
  a = 3.723504416430352, c = 6.083721899409287, total energy = -0.32057288341085655

Attempting to perform relaxation using initial lattice constant guess of a = [3.72417055] Angstroms and c = 5.473390542016676 = ([1.46969385] * a) Angstroms

Optimization terminated successfully.
         Current function value: -0.320573
         Iterations: 69
         Function evaluations: 149
Results for this minimization:
  a = 3.7235044090401157, c = 6.0837218996355205, total energy = -0.32057288341085677

Attempting to perform relaxation using initial lattice constant guess of a = [3.72417055] Angstroms and c = 5.777467794350936 = ([1.5513435] * a) Angstroms

Optimization terminated successfully.
         Current function value: -0.320573
         Iterations: 75
         Function evaluations: 155
Results for this minimization:
  a = 3.723504433939701, c = 6.083721831155229, total energy = -0.32057288341085655

Attempting to perform relaxation using initial lattice constant guess of a = [3.72417055] Angstroms and c = 6.0815450466851955 = ([1.63299316] * a) Angstroms

Optimization terminated successfully.
         Current function value: -0.320573
         Iterations: 69
         Function evaluations: 148
Results for this minimization:
  a = 3.7235043873332723, c = 6.0837218376883975, total energy = -0.3205728834108569

Attempting to perform relaxation using initial lattice constant guess of a = [3.72417055] Angstroms and c = 6.385622299019455 = ([1.71464282] * a) Angstroms

Optimization terminated successfully.
         Current function value: -0.320573
         Iterations: 64
         Function evaluations: 144
Results for this minimization:
  a = 3.723504375517833, c = 6.083721932674761, total energy = -0.3205728834108562

Attempting to perform relaxation using initial lattice constant guess of a = [3.72417055] Angstroms and c = 6.689699551353715 = ([1.79629248] * a) Angstroms

Optimization terminated successfully.
         Current function value: -0.320573
         Iterations: 74
         Function evaluations: 150
Results for this minimization:
  a = 3.723504404193232, c = 6.083721887499074, total energy = -0.32057288341085644

Attempting to perform relaxation using initial lattice constant guess of a = [3.72417055] Angstroms and c = 6.993776803687974 = ([1.87794214] * a) Angstroms

Optimization terminated successfully.
         Current function value: -0.320573
         Iterations: 81
         Function evaluations: 171
Results for this minimization:
  a = 3.7235044009242997, c = 6.083721878524123, total energy = -0.320572883410857

Attempting to perform relaxation using initial lattice constant guess of a = [3.72417055] Angstroms and c = 7.297854056022234 = ([1.95959179] * a) Angstroms

Optimization terminated successfully.
         Current function value: -0.320573
         Iterations: 71
         Function evaluations: 159
Results for this minimization:
  a = 3.7235044206819774, c = 6.083721889946423, total energy = -0.32057288341085644

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

 Final lattice Constants:
   a = 3.7235044009242997 Angstroms, c = 6.083721878524123 Angstroms, c/a = 1.633870

 Total energy: -0.320572883410857 eV

 Cohesive energy: -0.08014322085271425 eV/atom

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