Element = Lattice = Model = Element: Cs
Lattice: hcp
Model: EAM_Dynamo_NicholAckland_2016v2_Cs__MO_144828415103_000
Relaxation with c/a ratio fixed
Simplex search starting from: 5.0 * 0
Simplex search starting from: [2.0]
Creating new atoms: (1, 1, 1)
Optimization terminated successfully.
         Current function value: -0.772057
         Iterations: 39
         Function evaluations: 84
Tmp Lattice Constants: [5.37957007]
Tmp Energy: -0.772056860222951
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [2.25]
Optimization terminated successfully.
         Current function value: -0.772057
         Iterations: 41
         Function evaluations: 90
Tmp Lattice Constants: [5.37956999]
Tmp Energy: -0.7720568602229503
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [2.5]
Optimization terminated successfully.
         Current function value: -0.772057
         Iterations: 39
         Function evaluations: 86
Tmp Lattice Constants: [5.37957]
Tmp Energy: -0.7720568602229502
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [2.75]
Optimization terminated successfully.
         Current function value: -0.772057
         Iterations: 40
         Function evaluations: 86
Tmp Lattice Constants: [5.37957004]
Tmp Energy: -0.7720568602229511
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [3.0]
Optimization terminated successfully.
         Current function value: -0.772057
         Iterations: 38
         Function evaluations: 82
Tmp Lattice Constants: [5.37957004]
Tmp Energy: -0.7720568602229507
--------
ERR: Lower energy is obtained by separating atoms beyond cutoff.
ERR: System Collapsed. Structure Maybe Unstable.