Element = Lattice = Model = Element: Si
Lattice: hcp
Model: Sim_LAMMPS_MEAM_Wagner_2007_SiC__SM_264944083668_000
Computed model cutoff of 3.999999990463257 Angstroms
Computed isolated atomic energy of 0.0 eV for species Si

==============================================================================
==============================================================================
 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: -16.659220
         Iterations: 40
         Function evaluations: 85
Results for this minimization:
  a = 2.968273898959164, total energy = -16.659220449092693

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: -16.659220
         Iterations: 40
         Function evaluations: 84
Results for this minimization:
  a = 2.9682738952338683, total energy = -16.659220449092693

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: -16.659220
         Iterations: 39
         Function evaluations: 84
Results for this minimization:
  a = 2.968273900449276, total energy = -16.659220449092693

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: -16.659220
         Iterations: 38
         Function evaluations: 82
Results for this minimization:
  a = 2.968273902405061, total energy = -16.659220449092693

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: -16.659220
         Iterations: 39
         Function evaluations: 83
Results for this minimization:
  a = 2.9682739013806017, total energy = -16.659220449092693

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: -16.659220
         Iterations: 37
         Function evaluations: 77
Results for this minimization:
  a = 2.9682738995645215, total energy = -16.659220449092693

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: -16.659220
         Iterations: 38
         Function evaluations: 82
Results for this minimization:
  a = 2.9682739054784184, total energy = -16.659220449092693

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: -16.659220
         Iterations: 37
         Function evaluations: 78
Results for this minimization:
  a = 2.9682739038253203, total energy = -16.659220449092693

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: -16.659220
         Iterations: 36
         Function evaluations: 77
Results for this minimization:
  a = 2.968273907154801, total energy = -16.659220449092693

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: -16.659220
         Iterations: 35
         Function evaluations: 75
Results for this minimization:
  a = 2.968273892253639, total energy = -16.65922044909269

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: -16.659220
         Iterations: 36
         Function evaluations: 77
Results for this minimization:
  a = 2.968273901939392, total energy = -16.659220449092693

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: -16.659220
         Iterations: 35
         Function evaluations: 75
Results for this minimization:
  a = 2.9682739160954936, total energy = -16.659220449092686

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: -16.659220
         Iterations: 34
         Function evaluations: 73
Results for this minimization:
  a = 2.9682739078998566, total energy = -16.659220449092693

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: -16.659220
         Iterations: 35
         Function evaluations: 75
Results for this minimization:
  a = 2.968273913953453, total energy = -16.659220449092693

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: -16.659220
         Iterations: 34
         Function evaluations: 74
Results for this minimization:
  a = 2.968273911625147, total energy = -16.659220449092693

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: -16.659220
         Iterations: 32
         Function evaluations: 69
Results for this minimization:
  a = 2.9682739050826052, total energy = -16.659220449092693

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: -16.659220
         Iterations: 32
         Function evaluations: 69
Results for this minimization:
  a = 2.9682739019393916, total energy = -16.659220449092693

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: -16.659220
         Iterations: 34
         Function evaluations: 74
Results for this minimization:
  a = 2.968273910228163, total energy = -16.659220449092693

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: -16.659220
         Iterations: 34
         Function evaluations: 74
Results for this minimization:
  a = 2.9682738989591595, total energy = -16.659220449092693

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: -16.659220
         Iterations: 35
         Function evaluations: 74
Results for this minimization:
  a = 2.9682739057112477, total energy = -16.659220449092697

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: -16.659220
         Iterations: 34
         Function evaluations: 72
Results for this minimization:
  a = 2.9682738989591595, total energy = -16.659220449092693

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: -16.659220
         Iterations: 35
         Function evaluations: 74
Results for this minimization:
  a = 2.968273903895169, total energy = -16.659220449092693

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: -16.659220
         Iterations: 36
         Function evaluations: 76
Results for this minimization:
  a = 2.968273906968534, total energy = -16.659220449092693

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: -16.659220
         Iterations: 35
         Function evaluations: 74
Results for this minimization:
  a = 2.9682738926145227, total energy = -16.65922044909269

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: -16.659220
         Iterations: 37
         Function evaluations: 80
Results for this minimization:
  a = 2.9682738989591586, total energy = -16.659220449092697

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


Attempting to perform relaxation using initial lattice constant guess of a = [2.96827391] Angstroms and c = 3.877736792432354 = ([1.30639453] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.659526
         Iterations: 77
         Function evaluations: 165
Results for this minimization:
  a = 2.973394420921856, c = 4.830457077979608, total energy = -16.65952579428265

Attempting to perform relaxation using initial lattice constant guess of a = [2.96827391] Angstroms and c = 4.120095341959376 = ([1.38804419] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.659526
         Iterations: 78
         Function evaluations: 165
Results for this minimization:
  a = 2.973394433668244, c = 4.830457044777089, total energy = -16.659525794282654

Attempting to perform relaxation using initial lattice constant guess of a = [2.96827391] Angstroms and c = 4.362453891486399 = ([1.46969385] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.659526
         Iterations: 66
         Function evaluations: 143
Results for this minimization:
  a = 2.9733944316255716, c = 4.830457032981926, total energy = -16.659525794282654

Attempting to perform relaxation using initial lattice constant guess of a = [2.96827391] Angstroms and c = 4.604812441013421 = ([1.5513435] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.659526
         Iterations: 68
         Function evaluations: 148
Results for this minimization:
  a = 2.973394415202849, c = 4.830457088408531, total energy = -16.659525794282654

Attempting to perform relaxation using initial lattice constant guess of a = [2.96827391] Angstroms and c = 4.847170990540444 = ([1.63299316] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.659526
         Iterations: 65
         Function evaluations: 139
Results for this minimization:
  a = 2.9733944261380754, c = 4.830457076570696, total energy = -16.659525794282654

Attempting to perform relaxation using initial lattice constant guess of a = [2.96827391] Angstroms and c = 5.089529540067466 = ([1.71464282] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.659526
         Iterations: 68
         Function evaluations: 148
Results for this minimization:
  a = 2.9733944148937237, c = 4.830457102021663, total energy = -16.65952579428265

Attempting to perform relaxation using initial lattice constant guess of a = [2.96827391] Angstroms and c = 5.3318880895944885 = ([1.79629248] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.659526
         Iterations: 63
         Function evaluations: 141
Results for this minimization:
  a = 2.97339441318292, c = 4.83045709454799, total energy = -16.65952579428265

Attempting to perform relaxation using initial lattice constant guess of a = [2.96827391] Angstroms and c = 5.574246639121511 = ([1.87794214] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.659526
         Iterations: 68
         Function evaluations: 147
Results for this minimization:
  a = 2.9733944237510586, c = 4.830457056957722, total energy = -16.65952579428265

Attempting to perform relaxation using initial lattice constant guess of a = [2.96827391] Angstroms and c = 5.816605188648533 = ([1.95959179] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.659526
         Iterations: 70
         Function evaluations: 150
Results for this minimization:
  a = 2.9733944214978627, c = 4.830457047690147, total energy = -16.659525794282654

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

 Final lattice Constants:
   a = 2.973394433668244 Angstroms, c = 4.830457044777089 Angstroms, c/a = 1.624560

 Total energy: -16.659525794282654 eV

 Cohesive energy: -4.164881448570664 eV/atom

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