Element = Lattice = Model = Element: C
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 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: 79
Results for this minimization:
  a = 2.060569983720782, total energy = -24.802771713071042

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 = 2.0605699838837603, total energy = -24.802771713071042

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: 37
         Function evaluations: 77
Results for this minimization:
  a = 2.0605699932202697, total energy = -24.802771713071035

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: 36
         Function evaluations: 78
Results for this minimization:
  a = 2.0605699762702017, total energy = -24.802771713071028

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: 35
         Function evaluations: 75
Results for this minimization:
  a = 2.060569989681245, total energy = -24.80277171307104

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: 34
         Function evaluations: 72
Results for this minimization:
  a = 2.060569979529829, total energy = -24.802771713071035

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: 34
         Function evaluations: 74
Results for this minimization:
  a = 2.0605699827428907, total energy = -24.802771713071046

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: 70
Results for this minimization:
  a = 2.0605699805309996, total energy = -24.802771713071046

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: 32
         Function evaluations: 68
Results for this minimization:
  a = 2.060569990426302, total energy = -24.80277171307104

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: 69
Results for this minimization:
  a = 2.060569991893135, total energy = -24.802771713071035

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: 34
         Function evaluations: 75
Results for this minimization:
  a = 2.0605699807405466, total energy = -24.80277171307104

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: 36
         Function evaluations: 77
Results for this minimization:
  a = 2.0605699833249678, total energy = -24.802771713071042

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: 35
         Function evaluations: 75
Results for this minimization:
  a = 2.0605699997395277, total energy = -24.802771713071024

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: 35
         Function evaluations: 76
Results for this minimization:
  a = 2.0605699941515923, total energy = -24.802771713071035

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: 35
         Function evaluations: 74
Results for this minimization:
  a = 2.060569984465837, total energy = -24.80277171307104

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 = 2.0605699911713593, total energy = -24.80277171307104

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: 36
         Function evaluations: 77
Results for this minimization:
  a = 2.0605699852108934, 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: 77
Results for this minimization:
  a = 2.0605699903535424, total energy = -24.802771713071042

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: 37
         Function evaluations: 79
Results for this minimization:
  a = 2.0605699904262997, total energy = -24.80277171307104

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: 39
         Function evaluations: 83
Results for this minimization:
  a = 2.0605699878651635, total energy = -24.80277171307104

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: 37
         Function evaluations: 80
Results for this minimization:
  a = 2.060569983068852, total energy = -24.802771713071046

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: 37
         Function evaluations: 80
Results for this minimization:
  a = 2.0605699847452317, total energy = -24.80277171307104

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: 38
         Function evaluations: 80
Results for this minimization:
  a = 2.060569983237656, total energy = -24.802771713071042

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 = 2.0605699843727003, total energy = -24.802771713071046

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: 77
Results for this minimization:
  a = 2.060569983720778, total energy = -24.802771713071035

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


Attempting to perform relaxation using initial lattice constant guess of a = [2.06056999] Angstroms and c = 2.691917356299183 = ([1.30639453] * a) Angstroms

Optimization terminated successfully.
         Current function value: -24.804731
         Iterations: 73
         Function evaluations: 154
Results for this minimization:
  a = 2.0688107458500893, c = 3.338284887909522, total energy = -24.804731241616597

Attempting to perform relaxation using initial lattice constant guess of a = [2.06056999] Angstroms and c = 2.8601621910678823 = ([1.38804419] * a) Angstroms

Optimization terminated successfully.
         Current function value: -24.804731
         Iterations: 70
         Function evaluations: 145
Results for this minimization:
  a = 2.0688107518618843, c = 3.338284875146677, total energy = -24.8047312416166

Attempting to perform relaxation using initial lattice constant guess of a = [2.06056999] Angstroms and c = 3.0284070258365814 = ([1.46969385] * a) Angstroms

Optimization terminated successfully.
         Current function value: -24.804731
         Iterations: 67
         Function evaluations: 145
Results for this minimization:
  a = 2.068810739562337, c = 3.3382848933384914, total energy = -24.804731241616597

Attempting to perform relaxation using initial lattice constant guess of a = [2.06056999] Angstroms and c = 3.1966518606052805 = ([1.5513435] * a) Angstroms

Optimization terminated successfully.
         Current function value: -24.804731
         Iterations: 68
         Function evaluations: 146
Results for this minimization:
  a = 2.0688107624323058, c = 3.338284870792302, total energy = -24.804731241616604

Attempting to perform relaxation using initial lattice constant guess of a = [2.06056999] Angstroms and c = 3.3648966953739796 = ([1.63299316] * a) Angstroms

Optimization terminated successfully.
         Current function value: -24.804731
         Iterations: 73
         Function evaluations: 148
Results for this minimization:
  a = 2.068810742263464, c = 3.338284915181787, total energy = -24.804731241616604

Attempting to perform relaxation using initial lattice constant guess of a = [2.06056999] Angstroms and c = 3.5331415301426787 = ([1.71464282] * a) Angstroms

Optimization terminated successfully.
         Current function value: -24.804731
         Iterations: 68
         Function evaluations: 143
Results for this minimization:
  a = 2.068810764460193, c = 3.3382848436180925, total energy = -24.804731241616597

Attempting to perform relaxation using initial lattice constant guess of a = [2.06056999] Angstroms and c = 3.701386364911378 = ([1.79629248] * a) Angstroms

Optimization terminated successfully.
         Current function value: -24.804731
         Iterations: 72
         Function evaluations: 148
Results for this minimization:
  a = 2.068810744876819, c = 3.338284892988683, total energy = -24.804731241616597

Attempting to perform relaxation using initial lattice constant guess of a = [2.06056999] Angstroms and c = 3.869631199680077 = ([1.87794214] * a) Angstroms

Optimization terminated successfully.
         Current function value: -24.804731
         Iterations: 70
         Function evaluations: 154
Results for this minimization:
  a = 2.0688107438864347, c = 3.3382849640378636, total energy = -24.804731241616587

Attempting to perform relaxation using initial lattice constant guess of a = [2.06056999] Angstroms and c = 4.037876034448776 = ([1.95959179] * a) Angstroms

Optimization terminated successfully.
         Current function value: -24.804731
         Iterations: 69
         Function evaluations: 148
Results for this minimization:
  a = 2.0688107413293735, c = 3.3382849172064564, total energy = -24.804731241616597

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

 Final lattice Constants:
   a = 2.0688107624323058 Angstroms, c = 3.338284870792302 Angstroms, c/a = 1.613625

 Total energy: -24.804731241616604 eV

 Cohesive energy: -6.201182810404151 eV/atom

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