Element = Lattice = Model = Element: Rb
Lattice: hcp
Model: Pair_Morse_Shifted_GirifalcoWeizer_LowCutoff_Rb__MO_754498969542_001
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: -0.773465
         Iterations: 39
         Function evaluations: 84
Tmp Lattice Constants: [ 5.18926256]
Tmp Energy: -0.773465127419
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [2.25]
Optimization terminated successfully.
         Current function value: -0.773465
         Iterations: 39
         Function evaluations: 85
Tmp Lattice Constants: [ 5.18926244]
Tmp Energy: -0.773465127419
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [2.5]
Optimization terminated successfully.
         Current function value: -0.773465
         Iterations: 40
         Function evaluations: 85
Tmp Lattice Constants: [ 5.18926245]
Tmp Energy: -0.773465127419
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [2.75]
Optimization terminated successfully.
         Current function value: -0.773465
         Iterations: 39
         Function evaluations: 83
Tmp Lattice Constants: [ 5.18926251]
Tmp Energy: -0.773465127419
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [3.0]
Optimization terminated successfully.
         Current function value: -0.773465
         Iterations: 38
         Function evaluations: 80
Tmp Lattice Constants: [ 5.18926243]
Tmp Energy: -0.773465127419
--------
ERR: Lower energy is obtained by separating atoms beyond cutoff.
ERR: System Collapsed. Structure Maybe Unstable.