Element = Lattice = Model = Element: C
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 C

==============================================================================
==============================================================================
 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: -24.802772
         Iterations: 38
         Function evaluations: 81
Results for this minimization:
  a = 2.0605699837207823, total energy = -24.80277171307105

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: -24.802772
         Iterations: 38
         Function evaluations: 82
Results for this minimization:
  a = 2.060569987865164, total energy = -24.80277171307105

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: -24.802772
         Iterations: 39
         Function evaluations: 83
Results for this minimization:
  a = 2.0605699827428907, total energy = -24.802771713071053

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: -24.802772
         Iterations: 37
         Function evaluations: 79
Results for this minimization:
  a = 2.060569980368021, total energy = -24.802771713071053

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: -24.802772
         Iterations: 36
         Function evaluations: 75
Results for this minimization:
  a = 2.0605699873063723, total energy = -24.80277171307105

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: -24.802772
         Iterations: 35
         Function evaluations: 76
Results for this minimization:
  a = 2.060569981345908, total energy = -24.80277171307105

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: -24.802772
         Iterations: 33
         Function evaluations: 72
Results for this minimization:
  a = 2.0605699928477406, total energy = -24.802771713071053

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: -24.802772
         Iterations: 32
         Function evaluations: 68
Results for this minimization:
  a = 2.0605699899606407, total energy = -24.80277171307105

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: -24.802772
         Iterations: 31
         Function evaluations: 66
Results for this minimization:
  a = 2.0605699837207796, total energy = -24.802771713071046

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: -24.802772
         Iterations: 32
         Function evaluations: 66
Results for this minimization:
  a = 2.0605699857580473, total energy = -24.802771713071046

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: -24.802772
         Iterations: 35
         Function evaluations: 75
Results for this minimization:
  a = 2.0605699740350243, total energy = -24.802771713071042

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: -24.802772
         Iterations: 34
         Function evaluations: 74
Results for this minimization:
  a = 2.060569981113076, total energy = -24.802771713071046

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: -24.802772
         Iterations: 36
         Function evaluations: 79
Results for this minimization:
  a = 2.060569979250431, total energy = -24.802771713071046

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: -24.802772
         Iterations: 36
         Function evaluations: 77
Results for this minimization:
  a = 2.060569984372705, total energy = -24.80277171307105

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: -24.802772
         Iterations: 36
         Function evaluations: 76
Results for this minimization:
  a = 2.060569989075884, total energy = -24.80277171307105

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: -24.802772
         Iterations: 36
         Function evaluations: 77
Results for this minimization:
  a = 2.060569982603192, total energy = -24.802771713071046

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: -24.802772
         Iterations: 37
         Function evaluations: 78
Results for this minimization:
  a = 2.060569981858132, total energy = -24.80277171307105

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: -24.802772
         Iterations: 36
         Function evaluations: 78
Results for this minimization:
  a = 2.060569990426302, total energy = -24.802771713071053

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: -24.802772
         Iterations: 38
         Function evaluations: 82
Results for this minimization:
  a = 2.060569982253944, total energy = -24.802771713071053

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: -24.802772
         Iterations: 37
         Function evaluations: 79
Results for this minimization:
  a = 2.060569984250467, total energy = -24.80277171307105

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: -24.802772
         Iterations: 36
         Function evaluations: 76
Results for this minimization:
  a = 2.0605699838837594, total energy = -24.802771713071053

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: -24.802772
         Iterations: 38
         Function evaluations: 80
Results for this minimization:
  a = 2.0605699928477383, total energy = -24.802771713071046

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: -24.802772
         Iterations: 37
         Function evaluations: 79
Results for this minimization:
  a = 2.0605699915322475, total energy = -24.802771713071053

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: -24.802772
         Iterations: 37
         Function evaluations: 79
Results for this minimization:
  a = 2.0605699872598002, total energy = -24.802771713071053

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: -24.802772
         Iterations: 37
         Function evaluations: 78
Results for this minimization:
  a = 2.06056998670101, total energy = -24.802771713071053

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


Attempting to perform relaxation using initial lattice constant guess of a = [2.06056998] Angstroms and c = 2.6919173530749982 = ([1.30639453] * a) Angstroms

Optimization terminated successfully.
         Current function value: -24.804731
         Iterations: 76
         Function evaluations: 163
Results for this minimization:
  a = 2.068810738038306, c = 3.3382849049538366, total energy = -24.804731241616604

Attempting to perform relaxation using initial lattice constant guess of a = [2.06056998] Angstroms and c = 2.8601621876421857 = ([1.38804419] * a) Angstroms

Optimization terminated successfully.
         Current function value: -24.804731
         Iterations: 68
         Function evaluations: 143
Results for this minimization:
  a = 2.068810754513173, c = 3.3382848778170886, total energy = -24.804731241616604

Attempting to perform relaxation using initial lattice constant guess of a = [2.06056998] Angstroms and c = 3.028407022209373 = ([1.46969385] * a) Angstroms

Optimization terminated successfully.
         Current function value: -24.804731
         Iterations: 67
         Function evaluations: 140
Results for this minimization:
  a = 2.068810745818868, c = 3.338284904636161, total energy = -24.804731241616615

Attempting to perform relaxation using initial lattice constant guess of a = [2.06056998] Angstroms and c = 3.1966518567765605 = ([1.5513435] * a) Angstroms

Optimization terminated successfully.
         Current function value: -24.804731
         Iterations: 65
         Function evaluations: 142
Results for this minimization:
  a = 2.068810754062903, c = 3.3382848862041885, total energy = -24.804731241616604

Attempting to perform relaxation using initial lattice constant guess of a = [2.06056998] Angstroms and c = 3.364896691343748 = ([1.63299316] * a) Angstroms

Optimization terminated successfully.
         Current function value: -24.804731
         Iterations: 74
         Function evaluations: 157
Results for this minimization:
  a = 2.0688107406731513, c = 3.338284911040703, total energy = -24.80473124161661

Attempting to perform relaxation using initial lattice constant guess of a = [2.06056998] Angstroms and c = 3.5331415259109353 = ([1.71464282] * a) Angstroms

Optimization terminated successfully.
         Current function value: -24.804731
         Iterations: 65
         Function evaluations: 143
Results for this minimization:
  a = 2.068810751667769, c = 3.338284845898072, total energy = -24.804731241616604

Attempting to perform relaxation using initial lattice constant guess of a = [2.06056998] Angstroms and c = 3.7013863604781228 = ([1.79629248] * a) Angstroms

Optimization terminated successfully.
         Current function value: -24.804731
         Iterations: 74
         Function evaluations: 159
Results for this minimization:
  a = 2.068810752137319, c = 3.3382848793700193, total energy = -24.804731241616608

Attempting to perform relaxation using initial lattice constant guess of a = [2.06056998] Angstroms and c = 3.86963119504531 = ([1.87794214] * a) Angstroms

Optimization terminated successfully.
         Current function value: -24.804731
         Iterations: 70
         Function evaluations: 150
Results for this minimization:
  a = 2.0688107473524857, c = 3.3382848814855373, total energy = -24.80473124161661

Attempting to perform relaxation using initial lattice constant guess of a = [2.06056998] Angstroms and c = 4.037876029612498 = ([1.95959179] * a) Angstroms

Optimization terminated successfully.
         Current function value: -24.804731
         Iterations: 76
         Function evaluations: 157
Results for this minimization:
  a = 2.068810748132319, c = 3.3382848930632987, total energy = -24.804731241616608

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

 Final lattice Constants:
   a = 2.068810745818868 Angstroms, c = 3.338284904636161 Angstroms, c/a = 1.613625

 Total energy: -24.804731241616615 eV

 Cohesive energy: -6.201182810404154 eV/atom

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