Element = Lattice = Model = Element: Rb
Lattice: hcp
Model: EAM_Dynamo_NicholAckland_2016v2_Rb__MO_874930365376_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: -0.827559
         Iterations: 40
         Function evaluations: 86
Tmp Lattice Constants: [5.00910456]
Tmp Energy: -0.827558769445325
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [2.25]
Optimization terminated successfully.
         Current function value: -0.827559
         Iterations: 39
         Function evaluations: 85
Tmp Lattice Constants: [5.00910457]
Tmp Energy: -0.8275587694453241
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [2.5]
Optimization terminated successfully.
         Current function value: -0.827559
         Iterations: 40
         Function evaluations: 86
Tmp Lattice Constants: [5.00910462]
Tmp Energy: -0.8275587694453234
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [2.75]
Optimization terminated successfully.
         Current function value: -0.827559
         Iterations: 39
         Function evaluations: 84
Tmp Lattice Constants: [5.0091046]
Tmp Energy: -0.8275587694453242
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [3.0]
Optimization terminated successfully.
         Current function value: -0.827559
         Iterations: 38
         Function evaluations: 85
Tmp Lattice Constants: [5.00910459]
Tmp Energy: -0.8275587694453242
--------
ERR: Lower energy is obtained by separating atoms beyond cutoff.
ERR: System Collapsed. Structure Maybe Unstable.