Element = Lattice = Model = Element: Si
Lattice: hcp
Model: MEAM_LAMMPS_Wagner_2007_SiC__MO_430846853065_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: 39
         Function evaluations: 81
Results for this minimization:
  a = 2.9682739034295125, 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: 39
         Function evaluations: 83
Results for this minimization:
  a = 2.9682738952338688, 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: 40
         Function evaluations: 85
Results for this minimization:
  a = 2.9682739061536267, 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: 39
         Function evaluations: 82
Results for this minimization:
  a = 2.968273907527335, 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: 38
         Function evaluations: 79
Results for this minimization:
  a = 2.9682739041745694, 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: 79
Results for this minimization:
  a = 2.9682739038020394, 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: 37
         Function evaluations: 79
Results for this minimization:
  a = 2.9682739015668638, total energy = -16.65922044909269

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: 79
Results for this minimization:
  a = 2.9682738902047276, total energy = -16.65922044909269

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: 37
         Function evaluations: 78
Results for this minimization:
  a = 2.96827389597893, total energy = -16.65922044909269

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: 36
         Function evaluations: 76
Results for this minimization:
  a = 2.968273900169881, total energy = -16.659220449092693

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: 37
         Function evaluations: 79
Results for this minimization:
  a = 2.968273898586631, 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: 36
         Function evaluations: 77
Results for this minimization:
  a = 2.9682739125564677, total energy = -16.65922044909269

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: 74
Results for this minimization:
  a = 2.9682739074341953, total energy = -16.65922044909269

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: 34
         Function evaluations: 72
Results for this minimization:
  a = 2.9682738963514566, total energy = -16.65922044909269

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: 72
Results for this minimization:
  a = 2.9682739024050537, 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: 68
Results for this minimization:
  a = 2.968273903476074, total energy = -16.65922044909269

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: 33
         Function evaluations: 71
Results for this minimization:
  a = 2.968273892998695, total energy = -16.659220449092697

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: 33
         Function evaluations: 70
Results for this minimization:
  a = 2.9682739076088183, total energy = -16.65922044909269

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: 35
         Function evaluations: 74
Results for this minimization:
  a = 2.9682739062234753, 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: 34
         Function evaluations: 71
Results for this minimization:
  a = 2.968273909168783, total energy = -16.659220449092693

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: 71
Results for this minimization:
  a = 2.9682739067822688, 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: 36
         Function evaluations: 75
Results for this minimization:
  a = 2.9682739065960044, 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: 77
Results for this minimization:
  a = 2.968273897888139, 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: 75
Results for this minimization:
  a = 2.9682739095762343, 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: 36
         Function evaluations: 77
Results for this minimization:
  a = 2.9682739078998557, total energy = -16.65922044909269

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


Attempting to perform relaxation using initial lattice constant guess of a = [2.96827389] Angstroms and c = 3.877736775824745 = ([1.30639453] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.659526
         Iterations: 80
         Function evaluations: 165
Results for this minimization:
  a = 2.973394426130755, c = 4.830457038940407, total energy = -16.65952579428265

Attempting to perform relaxation using initial lattice constant guess of a = [2.96827389] Angstroms and c = 4.120095324313792 = ([1.38804419] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.659526
         Iterations: 71
         Function evaluations: 146
Results for this minimization:
  a = 2.973394437776462, c = 4.830457057719174, total energy = -16.659525794282644

Attempting to perform relaxation using initial lattice constant guess of a = [2.96827389] Angstroms and c = 4.362453872802838 = ([1.46969385] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.659526
         Iterations: 67
         Function evaluations: 147
Results for this minimization:
  a = 2.9733944245510844, c = 4.830457055958303, total energy = -16.659525794282658

Attempting to perform relaxation using initial lattice constant guess of a = [2.96827389] Angstroms and c = 4.604812421291886 = ([1.5513435] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.659526
         Iterations: 66
         Function evaluations: 147
Results for this minimization:
  a = 2.973394416382733, c = 4.830457075838869, total energy = -16.65952579428265

Attempting to perform relaxation using initial lattice constant guess of a = [2.96827389] Angstroms and c = 4.847170969780933 = ([1.63299316] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.659526
         Iterations: 67
         Function evaluations: 144
Results for this minimization:
  a = 2.973394413110156, c = 4.830457090673984, total energy = -16.65952579428265

Attempting to perform relaxation using initial lattice constant guess of a = [2.96827389] Angstroms and c = 5.08952951826998 = ([1.71464282] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.659526
         Iterations: 69
         Function evaluations: 147
Results for this minimization:
  a = 2.973394407307406, c = 4.830457076401281, total energy = -16.65952579428265

Attempting to perform relaxation using initial lattice constant guess of a = [2.96827389] Angstroms and c = 5.331888066759026 = ([1.79629248] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.659526
         Iterations: 68
         Function evaluations: 151
Results for this minimization:
  a = 2.973394431433097, c = 4.83045705082298, total energy = -16.65952579428265

Attempting to perform relaxation using initial lattice constant guess of a = [2.96827389] Angstroms and c = 5.574246615248073 = ([1.87794214] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.659526
         Iterations: 70
         Function evaluations: 149
Results for this minimization:
  a = 2.9733944132403343, c = 4.830457061247003, total energy = -16.65952579428265

Attempting to perform relaxation using initial lattice constant guess of a = [2.96827389] Angstroms and c = 5.816605163737121 = ([1.95959179] * a) Angstroms

Optimization terminated successfully.
         Current function value: -16.659526
         Iterations: 72
         Function evaluations: 156
Results for this minimization:
  a = 2.9733944197646482, c = 4.830457087017691, total energy = -16.65952579428265

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

 Final lattice Constants:
   a = 2.9733944245510844 Angstroms, c = 4.830457055958303 Angstroms, c/a = 1.624560

 Total energy: -16.659525794282658 eV

 Cohesive energy: -4.1648814485706644 eV/atom

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