Element = Lattice = Model = Element: Si
Lattice: hcp
Model: MEAM_LAMMPS_KangEunJun_2014_SiC__MO_477506997611_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: -16.273378
         Iterations: 39
         Function evaluations: 82
Results for this minimization:
  a = 2.8145175226032766, total energy = -16.273377892352965

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: -16.273378
         Iterations: 40
         Function evaluations: 85
Results for this minimization:
  a = 2.8145175121491772, total energy = -16.273377892352972

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: -16.273378
         Iterations: 38
         Function evaluations: 80
Results for this minimization:
  a = 2.814517516642809, total energy = -16.27337789235298

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: -16.273378
         Iterations: 38
         Function evaluations: 81
Results for this minimization:
  a = 2.8145175181329307, total energy = -16.27337789235296

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: -16.273378
         Iterations: 37
         Function evaluations: 78
Results for this minimization:
  a = 2.8145175129175217, total energy = -16.273377892352972

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: -16.273378
         Iterations: 38
         Function evaluations: 79
Results for this minimization:
  a = 2.814517525210978, total energy = -16.273377892352958

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: -16.273378
         Iterations: 36
         Function evaluations: 76
Results for this minimization:
  a = 2.814517521532253, total energy = -16.273377892352972

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: -16.273378
         Iterations: 37
         Function evaluations: 79
Results for this minimization:
  a = 2.814517518505454, total energy = -16.273377892352958

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: -16.273378
         Iterations: 36
         Function evaluations: 77
Results for this minimization:
  a = 2.8145175337791457, total energy = -16.27337789235295

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: -16.273378
         Iterations: 37
         Function evaluations: 80
Results for this minimization:
  a = 2.814517498365605, total energy = -16.273377892352965

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: -16.273378
         Iterations: 35
         Function evaluations: 75
Results for this minimization:
  a = 2.814517517387867, total energy = -16.27337789235297

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: -16.273378
         Iterations: 35
         Function evaluations: 75
Results for this minimization:
  a = 2.814517529695876, total energy = -16.27337789235296

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: -16.273378
         Iterations: 34
         Function evaluations: 74
Results for this minimization:
  a = 2.81451751338318, total energy = -16.273377892352975

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: -16.273378
         Iterations: 33
         Function evaluations: 74
Results for this minimization:
  a = 2.8145175257697703, total energy = -16.273377892352965

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: -16.273378
         Iterations: 32
         Function evaluations: 68
Results for this minimization:
  a = 2.814517518260982, total energy = -16.273377892352972

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: -16.273378
         Iterations: 32
         Function evaluations: 67
Results for this minimization:
  a = 2.814517522789538, total energy = -16.273377892352965

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: -16.273378
         Iterations: 34
         Function evaluations: 73
Results for this minimization:
  a = 2.814517510682344, total energy = -16.273377892352975

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: -16.273378
         Iterations: 34
         Function evaluations: 73
Results for this minimization:
  a = 2.814517505466938, total energy = -16.273377892352965

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: -16.273378
         Iterations: 34
         Function evaluations: 72
Results for this minimization:
  a = 2.814517515525221, total energy = -16.27337789235297

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: -16.273378
         Iterations: 37
         Function evaluations: 79
Results for this minimization:
  a = 2.8145175068057138, total energy = -16.273377892352975

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: -16.273378
         Iterations: 35
         Function evaluations: 75
Results for this minimization:
  a = 2.814517501648514, total energy = -16.273377892352965

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: -16.273378
         Iterations: 35
         Function evaluations: 77
Results for this minimization:
  a = 2.8145175203680983, total energy = -16.27337789235298

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: -16.273378
         Iterations: 35
         Function evaluations: 74
Results for this minimization:
  a = 2.814517510123551, total energy = -16.273377892352972

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: -16.273378
         Iterations: 36
         Function evaluations: 75
Results for this minimization:
  a = 2.8145175024867033, total energy = -16.27337789235296

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: -16.273378
         Iterations: 36
         Function evaluations: 77
Results for this minimization:
  a = 2.8145174980163565, total energy = -16.27337789235296

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


Attempting to perform relaxation using initial lattice constant guess of a = [2.81451752] Angstroms and c = 3.6768702868800767 = ([1.30639453] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.594652
         Iterations: 66
         Function evaluations: 143
Results for this minimization:
  a = 3.063713937610917, c = 3.9338751200726074, total energy = -16.59465237580516

Attempting to perform relaxation using initial lattice constant guess of a = [2.81451752] Angstroms and c = 3.9066746798100813 = ([1.38804419] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.594652
         Iterations: 72
         Function evaluations: 153
Results for this minimization:
  a = 3.063713947060215, c = 3.9338751294837904, total energy = -16.594652375805182

Attempting to perform relaxation using initial lattice constant guess of a = [2.81451752] Angstroms and c = 4.1364790727400855 = ([1.46969385] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.273680
         Iterations: 65
         Function evaluations: 140
Results for this minimization:
  a = 2.8168163768393195, c = 4.5884491875814755, total energy = -16.273679723034046

Attempting to perform relaxation using initial lattice constant guess of a = [2.81451752] Angstroms and c = 4.36628346567009 = ([1.5513435] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.273680
         Iterations: 71
         Function evaluations: 148
Results for this minimization:
  a = 2.8168163784897713, c = 4.588449212631991, total energy = -16.273679723034046

Attempting to perform relaxation using initial lattice constant guess of a = [2.81451752] Angstroms and c = 4.596087858600095 = ([1.63299316] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.273680
         Iterations: 66
         Function evaluations: 141
Results for this minimization:
  a = 2.816816382622096, c = 4.588449160804137, total energy = -16.273679723034054

Attempting to perform relaxation using initial lattice constant guess of a = [2.81451752] Angstroms and c = 4.8258922515300995 = ([1.71464282] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.273680
         Iterations: 68
         Function evaluations: 145
Results for this minimization:
  a = 2.816816389839734, c = 4.588449151045248, total energy = -16.27367972303405

Attempting to perform relaxation using initial lattice constant guess of a = [2.81451752] Angstroms and c = 5.055696644460104 = ([1.79629248] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.273680
         Iterations: 71
         Function evaluations: 154
Results for this minimization:
  a = 2.816816376905506, c = 4.588449176577237, total energy = -16.273679723034054

Attempting to perform relaxation using initial lattice constant guess of a = [2.81451752] Angstroms and c = 5.285501037390109 = ([1.87794214] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.594652
         Iterations: 76
         Function evaluations: 162
Results for this minimization:
  a = 3.0637139480582323, c = 3.933875140364282, total energy = -16.594652375805175

Attempting to perform relaxation using initial lattice constant guess of a = [2.81451752] Angstroms and c = 5.5153054303201134 = ([1.95959179] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.273680
         Iterations: 87
         Function evaluations: 181
Results for this minimization:
  a = 2.816816392118456, c = 4.588449190634751, total energy = -16.273679723034054

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

 Final lattice Constants:
   a = 3.063713947060215 Angstroms, c = 3.9338751294837904 Angstroms, c/a = 1.284022

 Total energy: -16.594652375805182 eV

 Cohesive energy: -4.148663093951296 eV/atom

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