Element = Lattice = Model = Element: Ga
Lattice: hcp
Model: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003
Computed model cutoff of 8.695170000270036 Angstroms
Computed isolated atomic energy of 0.0 eV for species Ga

==============================================================================
==============================================================================
 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: -35.446702
         Iterations: 40
         Function evaluations: 86
Results for this minimization:
  a = 2.3730667531490357, total energy = -35.44670164830939

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: -35.446702
         Iterations: 39
         Function evaluations: 84
Results for this minimization:
  a = 2.373066777409986, total energy = -35.44670164830945

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: -35.446702
         Iterations: 38
         Function evaluations: 82
Results for this minimization:
  a = 2.3730667531490326, total energy = -35.44670164830943

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: -35.446702
         Iterations: 39
         Function evaluations: 82
Results for this minimization:
  a = 2.3730667744297573, total energy = -35.44670164830946

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: -35.446702
         Iterations: 36
         Function evaluations: 77
Results for this minimization:
  a = 2.3730667769908926, total energy = -35.446701648309464

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: -35.446702
         Iterations: 37
         Function evaluations: 77
Results for this minimization:
  a = 2.3730667633935822, total energy = -35.44670164830942

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: -35.446702
         Iterations: 35
         Function evaluations: 74
Results for this minimization:
  a = 2.373066757619381, total energy = -35.44670164830948

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: -35.446702
         Iterations: 35
         Function evaluations: 77
Results for this minimization:
  a = 2.373066745523829, total energy = -35.44670164830939

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: -35.446702
         Iterations: 34
         Function evaluations: 75
Results for this minimization:
  a = 2.373066776990892, total energy = -35.44670164830946

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: -35.446702
         Iterations: 32
         Function evaluations: 68
Results for this minimization:
  a = 2.373066756501794, total energy = -35.44670164830938

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: -35.446702
         Iterations: 32
         Function evaluations: 70
Results for this minimization:
  a = 2.373066763579846, total energy = -35.44670164830946

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: -35.446702
         Iterations: 32
         Function evaluations: 68
Results for this minimization:
  a = 2.373066761158406, total energy = -35.44670164830958

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: -35.446702
         Iterations: 33
         Function evaluations: 72
Results for this minimization:
  a = 2.3730667531490326, total energy = -35.446701648309414

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: -35.446702
         Iterations: 34
         Function evaluations: 74
Results for this minimization:
  a = 2.3730667533818632, total energy = -35.4467016483094

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: -35.446702
         Iterations: 34
         Function evaluations: 72
Results for this minimization:
  a = 2.37306677699089, total energy = -35.44670164830944

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: -35.446702
         Iterations: 36
         Function evaluations: 77
Results for this minimization:
  a = 2.3730667700059707, total energy = -35.44670164830951

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: -35.446702
         Iterations: 35
         Function evaluations: 75
Results for this minimization:
  a = 2.373066776990889, total energy = -35.44670164830945

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: -35.446702
         Iterations: 37
         Function evaluations: 80
Results for this minimization:
  a = 2.3730667514610104, total energy = -35.446701648309514

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: -35.446702
         Iterations: 36
         Function evaluations: 77
Results for this minimization:
  a = 2.3730667633935796, total energy = -35.44670164830941

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: -35.446702
         Iterations: 36
         Function evaluations: 77
Results for this minimization:
  a = 2.3730667690280813, total energy = -35.44670164830947

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: -35.446702
         Iterations: 36
         Function evaluations: 76
Results for this minimization:
  a = 2.3730667576193802, total energy = -35.44670164830951

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: -35.446702
         Iterations: 36
         Function evaluations: 77
Results for this minimization:
  a = 2.3730667847790725, total energy = -35.446701648309485

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: -35.446702
         Iterations: 38
         Function evaluations: 83
Results for this minimization:
  a = 2.373066745698452, total energy = -35.44670164830939

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: -35.446702
         Iterations: 37
         Function evaluations: 79
Results for this minimization:
  a = 2.3730667602736473, total energy = -35.44670164830942

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: -35.446702
         Iterations: 38
         Function evaluations: 80
Results for this minimization:
  a = 2.3730667531490313, total energy = -35.44670164830938

Attempting to perform relaxation using initial lattice constant guess of a = 4.125 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 37
         Function evaluations: 80
Results for this minimization:
  a = 2.373066776606722, total energy = -35.446701648309535

Attempting to perform relaxation using initial lattice constant guess of a = 4.25 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 39
         Function evaluations: 83
Results for this minimization:
  a = 2.3730667572934148, total energy = -35.446701648309435

Attempting to perform relaxation using initial lattice constant guess of a = 4.375 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 39
         Function evaluations: 83
Results for this minimization:
  a = 2.3730667599011213, total energy = -35.44670164830947

Attempting to perform relaxation using initial lattice constant guess of a = 4.5 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 38
         Function evaluations: 82
Results for this minimization:
  a = 2.373066763579841, total energy = -35.44670164830954

Attempting to perform relaxation using initial lattice constant guess of a = 4.625 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 39
         Function evaluations: 83
Results for this minimization:
  a = 2.3730667820200297, total energy = -35.446701648309386

Attempting to perform relaxation using initial lattice constant guess of a = 4.75 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 38
         Function evaluations: 81
Results for this minimization:
  a = 2.373066761158408, total energy = -35.44670164830954

Attempting to perform relaxation using initial lattice constant guess of a = 4.875 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 39
         Function evaluations: 83
Results for this minimization:
  a = 2.373066749243295, total energy = -35.44670164830942

Attempting to perform relaxation using initial lattice constant guess of a = 5.0 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 39
         Function evaluations: 83
Results for this minimization:
  a = 2.3730667533818632, total energy = -35.446701648309435

Attempting to perform relaxation using initial lattice constant guess of a = 5.125 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 40
         Function evaluations: 87
Results for this minimization:
  a = 2.3730667624360593, total energy = -35.44670164830937

Attempting to perform relaxation using initial lattice constant guess of a = 5.25 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 39
         Function evaluations: 83
Results for this minimization:
  a = 2.3730667533818615, total energy = -35.44670164830942

Attempting to perform relaxation using initial lattice constant guess of a = 5.375 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 38
         Function evaluations: 82
Results for this minimization:
  a = 2.373066757002382, total energy = -35.44670164830952

Attempting to perform relaxation using initial lattice constant guess of a = 5.5 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 39
         Function evaluations: 82
Results for this minimization:
  a = 2.3730667769908864, total energy = -35.44670164830945

Attempting to perform relaxation using initial lattice constant guess of a = 5.625 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 40
         Function evaluations: 85
Results for this minimization:
  a = 2.3730667820200324, total energy = -35.44670164830939

Attempting to perform relaxation using initial lattice constant guess of a = 5.75 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 39
         Function evaluations: 82
Results for this minimization:
  a = 2.373066763512901, total energy = -35.44670164830954

Attempting to perform relaxation using initial lattice constant guess of a = 5.875 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 40
         Function evaluations: 82
Results for this minimization:
  a = 2.37306678202003, total energy = -35.44670164830939

Attempting to perform relaxation using initial lattice constant guess of a = 6.0 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 39
         Function evaluations: 83
Results for this minimization:
  a = 2.373066776990882, total energy = -35.44670164830942

Attempting to perform relaxation using initial lattice constant guess of a = 6.125 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 39
         Function evaluations: 84
Results for this minimization:
  a = 2.373066766970437, total energy = -35.446701648309535

Attempting to perform relaxation using initial lattice constant guess of a = 6.25 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 41
         Function evaluations: 88
Results for this minimization:
  a = 2.3730667514610104, total energy = -35.44670164830949

Attempting to perform relaxation using initial lattice constant guess of a = 6.375 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 40
         Function evaluations: 85
Results for this minimization:
  a = 2.3730667488329322, total energy = -35.44670164830942

Attempting to perform relaxation using initial lattice constant guess of a = 6.5 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 40
         Function evaluations: 85
Results for this minimization:
  a = 2.373066775652107, total energy = -35.44670164830938

Attempting to perform relaxation using initial lattice constant guess of a = 6.625 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 41
         Function evaluations: 87
Results for this minimization:
  a = 2.3730667534284198, total energy = -35.446701648309514

Attempting to perform relaxation using initial lattice constant guess of a = 6.75 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 40
         Function evaluations: 85
Results for this minimization:
  a = 2.373066769028078, total energy = -35.446701648309464

Attempting to perform relaxation using initial lattice constant guess of a = 6.875 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 42
         Function evaluations: 87
Results for this minimization:
  a = 2.373066753236344, total energy = -35.446701648309485

Attempting to perform relaxation using initial lattice constant guess of a = 7.0 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 40
         Function evaluations: 85
Results for this minimization:
  a = 2.3730667576193785, total energy = -35.44670164830951

Attempting to perform relaxation using initial lattice constant guess of a = 7.125 Angstroms (c/a fixed at sqrt(8/3))

Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 7.125 Angstroms
Exception message:
Attempted to evaluate energy at a = -0.7125000000000128 Angstroms and c = -1.1635076278220304 Angstroms; the model cutoff was estimated to be 8.695170000270036 Angstroms.  This may mean that the model does not possess close-range repulsive forces to prevent system collapse.  In order to prevent possible neighbor list overflow, both a and c must be greater than 0.1 times the model cutoff...
Continuing...


Attempting to perform relaxation using initial lattice constant guess of a = 7.25 Angstroms (c/a fixed at sqrt(8/3))

Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 7.25 Angstroms
Exception message:
Attempted to evaluate energy at a = -0.7250000000000156 Angstroms and c = -1.1839200423452283 Angstroms; the model cutoff was estimated to be 8.695170000270036 Angstroms.  This may mean that the model does not possess close-range repulsive forces to prevent system collapse.  In order to prevent possible neighbor list overflow, both a and c must be greater than 0.1 times the model cutoff...
Continuing...


Attempting to perform relaxation using initial lattice constant guess of a = 7.375 Angstroms (c/a fixed at sqrt(8/3))

Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 7.375 Angstroms
Exception message:
Attempted to evaluate energy at a = -0.7375000000000078 Angstroms and c = -1.2043324568684086 Angstroms; the model cutoff was estimated to be 8.695170000270036 Angstroms.  This may mean that the model does not possess close-range repulsive forces to prevent system collapse.  In order to prevent possible neighbor list overflow, both a and c must be greater than 0.1 times the model cutoff...
Continuing...


Attempting to perform relaxation using initial lattice constant guess of a = 7.5 Angstroms (c/a fixed at sqrt(8/3))

Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 7.5 Angstroms
Exception message:
Attempted to evaluate energy at a = -0.75 Angstroms and c = -1.224744871391589 Angstroms; the model cutoff was estimated to be 8.695170000270036 Angstroms.  This may mean that the model does not possess close-range repulsive forces to prevent system collapse.  In order to prevent possible neighbor list overflow, both a and c must be greater than 0.1 times the model cutoff...
Continuing...


Attempting to perform relaxation using initial lattice constant guess of a = 7.625 Angstroms (c/a fixed at sqrt(8/3))

Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 7.625 Angstroms
Exception message:
Attempted to evaluate energy at a = -0.7624999999999922 Angstroms and c = -1.2451572859147695 Angstroms; the model cutoff was estimated to be 8.695170000270036 Angstroms.  This may mean that the model does not possess close-range repulsive forces to prevent system collapse.  In order to prevent possible neighbor list overflow, both a and c must be greater than 0.1 times the model cutoff...
Continuing...


Attempting to perform relaxation using initial lattice constant guess of a = 7.75 Angstroms (c/a fixed at sqrt(8/3))

Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 7.75 Angstroms
Exception message:
Attempted to evaluate energy at a = -0.7750000000000234 Angstroms and c = -1.2655697004380135 Angstroms; the model cutoff was estimated to be 8.695170000270036 Angstroms.  This may mean that the model does not possess close-range repulsive forces to prevent system collapse.  In order to prevent possible neighbor list overflow, both a and c must be greater than 0.1 times the model cutoff...
Continuing...


Attempting to perform relaxation using initial lattice constant guess of a = 7.875 Angstroms (c/a fixed at sqrt(8/3))

Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 7.875 Angstroms
Exception message:
Attempted to evaluate energy at a = -0.7875000000000156 Angstroms and c = -1.285982114961194 Angstroms; the model cutoff was estimated to be 8.695170000270036 Angstroms.  This may mean that the model does not possess close-range repulsive forces to prevent system collapse.  In order to prevent possible neighbor list overflow, both a and c must be greater than 0.1 times the model cutoff...
Continuing...


Attempting to perform relaxation using initial lattice constant guess of a = 8.0 Angstroms (c/a fixed at sqrt(8/3))

Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 8.0 Angstroms
Exception message:
Attempted to evaluate energy at a = -0.8000000000000078 Angstroms and c = -1.3063945294843744 Angstroms; the model cutoff was estimated to be 8.695170000270036 Angstroms.  This may mean that the model does not possess close-range repulsive forces to prevent system collapse.  In order to prevent possible neighbor list overflow, both a and c must be greater than 0.1 times the model cutoff...
Continuing...


Attempting to perform relaxation using initial lattice constant guess of a = 8.125 Angstroms (c/a fixed at sqrt(8/3))

Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 8.125 Angstroms
Exception message:
Attempted to evaluate energy at a = -0.8125 Angstroms and c = -1.3268069440075547 Angstroms; the model cutoff was estimated to be 8.695170000270036 Angstroms.  This may mean that the model does not possess close-range repulsive forces to prevent system collapse.  In order to prevent possible neighbor list overflow, both a and c must be greater than 0.1 times the model cutoff...
Continuing...


Attempting to perform relaxation using initial lattice constant guess of a = 8.25 Angstroms (c/a fixed at sqrt(8/3))

Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 8.25 Angstroms
Exception message:
Attempted to evaluate energy at a = -0.8249999999999922 Angstroms and c = -1.3472193585307353 Angstroms; the model cutoff was estimated to be 8.695170000270036 Angstroms.  This may mean that the model does not possess close-range repulsive forces to prevent system collapse.  In order to prevent possible neighbor list overflow, both a and c must be greater than 0.1 times the model cutoff...
Continuing...


Attempting to perform relaxation using initial lattice constant guess of a = 8.375 Angstroms (c/a fixed at sqrt(8/3))

Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 8.375 Angstroms
Exception message:
Attempted to evaluate energy at a = -0.8375000000000234 Angstroms and c = -1.3676317730539793 Angstroms; the model cutoff was estimated to be 8.695170000270036 Angstroms.  This may mean that the model does not possess close-range repulsive forces to prevent system collapse.  In order to prevent possible neighbor list overflow, both a and c must be greater than 0.1 times the model cutoff...
Continuing...


Attempting to perform relaxation using initial lattice constant guess of a = 8.5 Angstroms (c/a fixed at sqrt(8/3))

Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 8.5 Angstroms
Exception message:
Attempted to evaluate energy at a = -0.8500000000000156 Angstroms and c = -1.3880441875771599 Angstroms; the model cutoff was estimated to be 8.695170000270036 Angstroms.  This may mean that the model does not possess close-range repulsive forces to prevent system collapse.  In order to prevent possible neighbor list overflow, both a and c must be greater than 0.1 times the model cutoff...
Continuing...


Attempting to perform relaxation using initial lattice constant guess of a = 8.625 Angstroms (c/a fixed at sqrt(8/3))

Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 8.625 Angstroms
Exception message:
Attempted to evaluate energy at a = -0.8625000000000078 Angstroms and c = -1.4084566021003402 Angstroms; the model cutoff was estimated to be 8.695170000270036 Angstroms.  This may mean that the model does not possess close-range repulsive forces to prevent system collapse.  In order to prevent possible neighbor list overflow, both a and c must be greater than 0.1 times the model cutoff...
Continuing...


Attempting to perform relaxation using initial lattice constant guess of a = 8.75 Angstroms (c/a fixed at sqrt(8/3))

Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 8.75 Angstroms
Exception message:
Attempted to evaluate energy at a = -0.875 Angstroms and c = -1.4288690166235205 Angstroms; the model cutoff was estimated to be 8.695170000270036 Angstroms.  This may mean that the model does not possess close-range repulsive forces to prevent system collapse.  In order to prevent possible neighbor list overflow, both a and c must be greater than 0.1 times the model cutoff...
Continuing...


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


Attempting to perform relaxation using initial lattice constant guess of a = [2.37306676] Angstroms and c = 3.1001614348785145 = ([1.30639453] * a) Angstroms

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 73
         Function evaluations: 157
Results for this minimization:
  a = 2.373050954542747, c = 3.8752533496796, total energy = -35.44670170937217

Attempting to perform relaxation using initial lattice constant guess of a = [2.37306676] Angstroms and c = 3.2939215245584217 = ([1.38804419] * a) Angstroms

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 76
         Function evaluations: 162
Results for this minimization:
  a = 2.373050984988203, c = 3.8752533097142123, total energy = -35.44670170937224

Attempting to perform relaxation using initial lattice constant guess of a = [2.37306676] Angstroms and c = 3.487681614238329 = ([1.46969385] * a) Angstroms

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 75
         Function evaluations: 154
Results for this minimization:
  a = 2.3730509727068507, c = 3.875253321505162, total energy = -35.44670170937222

Attempting to perform relaxation using initial lattice constant guess of a = [2.37306676] Angstroms and c = 3.681441703918236 = ([1.5513435] * a) Angstroms

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 66
         Function evaluations: 146
Results for this minimization:
  a = 2.373050991599002, c = 3.875253334857663, total energy = -35.44670170937232

Attempting to perform relaxation using initial lattice constant guess of a = [2.37306676] Angstroms and c = 3.8752017935981433 = ([1.63299316] * a) Angstroms

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 65
         Function evaluations: 137
Results for this minimization:
  a = 2.373050975823739, c = 3.8752533374826634, total energy = -35.44670170937235

Attempting to perform relaxation using initial lattice constant guess of a = [2.37306676] Angstroms and c = 4.0689618832780505 = ([1.71464282] * a) Angstroms

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 71
         Function evaluations: 149
Results for this minimization:
  a = 2.3730510093226433, c = 3.875253308603421, total energy = -35.44670170937223

Attempting to perform relaxation using initial lattice constant guess of a = [2.37306676] Angstroms and c = 4.262721972957958 = ([1.79629248] * a) Angstroms

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 69
         Function evaluations: 149
Results for this minimization:
  a = 2.3730509739895043, c = 3.875253343614865, total energy = -35.4467017093724

Attempting to perform relaxation using initial lattice constant guess of a = [2.37306676] Angstroms and c = 4.456482062637865 = ([1.87794214] * a) Angstroms

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 66
         Function evaluations: 145
Results for this minimization:
  a = 2.3730509899468535, c = 3.8752533280664414, total energy = -35.44670170937229

Attempting to perform relaxation using initial lattice constant guess of a = [2.37306676] Angstroms and c = 4.650242152317772 = ([1.95959179] * a) Angstroms

Optimization terminated successfully.
         Current function value: -35.446702
         Iterations: 79
         Function evaluations: 162
Results for this minimization:
  a = 2.373050991824268, c = 3.875253307545063, total energy = -35.44670170937223

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

 Final lattice Constants:
   a = 2.3730509739895043 Angstroms, c = 3.875253343614865 Angstroms, c/a = 1.633026

 Total energy: -35.4467017093724 eV

 Cohesive energy: -8.8616754273431 eV/atom

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