Element = Lattice = Model = Element: H
Lattice: hcp
Model: MEAM_LAMMPS_LeeLee_2014_ZrH__MO_946208788356_000
Computed model cutoff of 5.000000004544876 Angstroms
Computed isolated atomic energy of 0.0 eV for species H

==============================================================================
==============================================================================
 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: 0.000000
         Iterations: 41
         Function evaluations: 115
Results for this minimization:
  a = 5.75000000000001, total energy = 0.0

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: 0.000000
         Iterations: 42
         Function evaluations: 118
Results for this minimization:
  a = 6.468749999999999, total energy = 0.0

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: 0.000000
         Iterations: 41
         Function evaluations: 116
Results for this minimization:
  a = 5.1875, total energy = 0.0

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: 0.000000
         Iterations: 41
         Function evaluations: 116
Results for this minimization:
  a = 5.70625000000002, total energy = 0.0

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: 0.000000
         Iterations: 40
         Function evaluations: 113
Results for this minimization:
  a = 5.025000000000008, total energy = 0.0

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: 0.000000
         Iterations: 40
         Function evaluations: 113
Results for this minimization:
  a = 5.443750000000005, total energy = 0.0

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: 0.000000
         Iterations: 40
         Function evaluations: 113
Results for this minimization:
  a = 5.862499999999999, total energy = 0.0

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: 0.000000
         Iterations: 40
         Function evaluations: 113
Results for this minimization:
  a = 6.28125, total energy = 0.0

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: 0.000000
         Iterations: 39
         Function evaluations: 111
Results for this minimization:
  a = 5.100000000000007, total energy = 0.0

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: 0.000000
         Iterations: 39
         Function evaluations: 111
Results for this minimization:
  a = 5.418750000000003, total energy = 0.0

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: 0.000000
         Iterations: 40
         Function evaluations: 114
Results for this minimization:
  a = 5.737499999999999, total energy = 0.0

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: 0.000000
         Iterations: 39
         Function evaluations: 111
Results for this minimization:
  a = 5.106249999999995, total energy = 0.0

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: 0.000000
         Iterations: 39
         Function evaluations: 111
Results for this minimization:
  a = 5.375, total energy = 0.0

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: 0.000000
         Iterations: 39
         Function evaluations: 111
Results for this minimization:
  a = 5.643750000000005, total energy = 0.0

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: 0.000000
         Iterations: 39
         Function evaluations: 111
Results for this minimization:
  a = 5.912500000000014, total energy = 0.0

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: 0.000000
         Iterations: 38
         Function evaluations: 109
Results for this minimization:
  a = 5.03125, total energy = 0.0

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: 0.000000
         Iterations: 38
         Function evaluations: 109
Results for this minimization:
  a = 5.250000000000005, total energy = 0.0

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: 0.000000
         Iterations: 38
         Function evaluations: 109
Results for this minimization:
  a = 5.46875, total energy = 0.0

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: 0.000000
         Iterations: 37
         Function evaluations: 106
Results for this minimization:
  a = 5.037500000000003, total energy = 0.0

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: 0.000000
         Iterations: 37
         Function evaluations: 106
Results for this minimization:
  a = 5.231250000000006, total energy = 0.0

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: 0.000000
         Iterations: 37
         Function evaluations: 106
Results for this minimization:
  a = 5.425000000000001, total energy = 0.0

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: 0.000000
         Iterations: 37
         Function evaluations: 106
Results for this minimization:
  a = 5.618750000000004, total energy = 0.0

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: 0.000000
         Iterations: 36
         Function evaluations: 104
Results for this minimization:
  a = 5.0625, total energy = 0.0

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: 0.000000
         Iterations: 36
         Function evaluations: 104
Results for this minimization:
  a = 5.231250000000001, total energy = 0.0

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: -0.000007
         Iterations: 36
         Function evaluations: 82
Results for this minimization:
  a = 4.999798939190808, total energy = -7.302627088373484e-06

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: 0.000000
         Iterations: 35
         Function evaluations: 101
Results for this minimization:
  a = 5.156249999999997, total energy = 0.0

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: 0.000000
         Iterations: 35
         Function evaluations: 101
Results for this minimization:
  a = 5.312500000000002, total energy = 0.0

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: 0.000000
         Iterations: 35
         Function evaluations: 102
Results for this minimization:
  a = 5.03125, total energy = 0.0

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: 0.000000
         Iterations: 35
         Function evaluations: 102
Results for this minimization:
  a = 5.175000000000001, total energy = 0.0

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: 0.000000
         Iterations: 34
         Function evaluations: 99
Results for this minimization:
  a = 5.0875, total energy = 0.0

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: 0.000000
         Iterations: 34
         Function evaluations: 99
Results for this minimization:
  a = 5.225, total energy = 0.0

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: 0.000000
         Iterations: 33
         Function evaluations: 97
Results for this minimization:
  a = 5.11875, total energy = 0.0

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: -0.000007
         Iterations: 34
         Function evaluations: 78
Results for this minimization:
  a = 4.999798939214088, total energy = -7.302627088373505e-06

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: 0.000000
         Iterations: 33
         Function evaluations: 98
Results for this minimization:
  a = 5.125, total energy = 0.0

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


Attempting to perform relaxation using initial lattice constant guess of a = [4.99979894] Angstroms and c = 6.531709982711 = ([1.30639453] * a) Angstroms

Optimization terminated successfully.
         Current function value: 0.000000
         Iterations: 39
         Function evaluations: 144
Results for this minimization:
  a = 5.437281346395324, c = 7.9196983540370915, total energy = 0.0

Attempting to perform relaxation using initial lattice constant guess of a = [4.99979894] Angstroms and c = 6.939941856630437 = ([1.38804419] * a) Angstroms

Optimization terminated successfully.
         Current function value: 0.000000
         Iterations: 38
         Function evaluations: 142
Results for this minimization:
  a = 5.0622964259542655, c = 8.241180954748643, total energy = 0.0

Attempting to perform relaxation using initial lattice constant guess of a = [4.99979894] Angstroms and c = 7.348173730549874 = ([1.46969385] * a) Angstroms

Optimization terminated successfully.
         Current function value: 0.000000
         Iterations: 36
         Function evaluations: 136
Results for this minimization:
  a = 5.374783859655146, c = 7.899286760341113, total energy = 0.0

Attempting to perform relaxation using initial lattice constant guess of a = [4.99979894] Angstroms and c = 7.756405604469311 = ([1.5513435] * a) Angstroms

Optimization terminated successfully.
         Current function value: -0.000023
         Iterations: 83
         Function evaluations: 200
Results for this minimization:
  a = 4.9995187609019425, c = 8.532215759794244, total energy = -2.25247402784066e-05

Attempting to perform relaxation using initial lattice constant guess of a = [4.99979894] Angstroms and c = 8.164637478388748 = ([1.63299316] * a) Angstroms

Optimization terminated successfully.
         Current function value: -0.000023
         Iterations: 92
         Function evaluations: 220
Results for this minimization:
  a = 4.999518760912993, c = 8.572596800192537, total energy = -2.252474027840668e-05

Attempting to perform relaxation using initial lattice constant guess of a = [4.99979894] Angstroms and c = 8.572869352308185 = ([1.71464282] * a) Angstroms

Optimization terminated successfully.
         Current function value: -0.000023
         Iterations: 88
         Function evaluations: 219
Results for this minimization:
  a = 4.9995187609312985, c = 8.788163835269053, total energy = -2.2524740278406652e-05

Attempting to perform relaxation using initial lattice constant guess of a = [4.99979894] Angstroms and c = 8.981101226227622 = ([1.79629248] * a) Angstroms

Optimization terminated successfully.
         Current function value: -0.000023
         Iterations: 88
         Function evaluations: 217
Results for this minimization:
  a = 4.999518760920445, c = 9.207637945315478, total energy = -2.252474027840664e-05

Attempting to perform relaxation using initial lattice constant guess of a = [4.99979894] Angstroms and c = 9.38933310014706 = ([1.87794214] * a) Angstroms

Optimization terminated successfully.
         Current function value: -0.000023
         Iterations: 86
         Function evaluations: 213
Results for this minimization:
  a = 4.999518760909812, c = 9.568335884704936, total energy = -2.2524740278406652e-05

Attempting to perform relaxation using initial lattice constant guess of a = [4.99979894] Angstroms and c = 9.797564974066496 = ([1.95959179] * a) Angstroms

Optimization terminated successfully.
         Current function value: -0.000023
         Iterations: 86
         Function evaluations: 217
Results for this minimization:
  a = 4.99951876091766, c = 9.796852718791666, total energy = -2.2524740278406652e-05