Element = Lattice = Model = Element: Cs
Lattice: hcp
Model: Pair_Morse_Shifted_GirifalcoWeizer_MedCutoff_Cs__MO_999639780744_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: -0.784155
         Iterations: 39
         Function evaluations: 84
Tmp Lattice Constants: [ 5.44119921]
Tmp Energy: -0.784154598436
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [2.25]
Optimization terminated successfully.
         Current function value: -0.784155
         Iterations: 42
         Function evaluations: 91
Tmp Lattice Constants: [ 5.44119921]
Tmp Energy: -0.784154598436
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [2.5]
Optimization terminated successfully.
         Current function value: -0.784155
         Iterations: 39
         Function evaluations: 82
Tmp Lattice Constants: [ 5.44119921]
Tmp Energy: -0.784154598436
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [2.75]
Optimization terminated successfully.
         Current function value: -0.784155
         Iterations: 40
         Function evaluations: 86
Tmp Lattice Constants: [ 5.44119917]
Tmp Energy: -0.784154598436
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [3.0]
Optimization terminated successfully.
         Current function value: -0.784155
         Iterations: 42
         Function evaluations: 93
Tmp Lattice Constants: [ 5.44119927]
Tmp Energy: -0.784154598436
--------
ERR: Lower energy is obtained by separating atoms beyond cutoff.
ERR: System Collapsed. Structure Maybe Unstable.