Element = Lattice = Model = Element: Cs
Lattice: hcp
Model: Morse_Shifted_GirifalcoWeizer_1959MedCutoff_Cs__MO_999639780744_002
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: -0.792112
         Iterations: 40
         Function evaluations: 85
Tmp Lattice Constants: [5.43370252]
Tmp Energy: -0.7921120091054965
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [2.25]
Optimization terminated successfully.
         Current function value: -0.792112
         Iterations: 41
         Function evaluations: 91
Tmp Lattice Constants: [5.43370244]
Tmp Energy: -0.7921120091054927
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [2.5]
Optimization terminated successfully.
         Current function value: -0.792112
         Iterations: 39
         Function evaluations: 86
Tmp Lattice Constants: [5.43370259]
Tmp Energy: -0.7921120091054963
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [2.75]
Optimization terminated successfully.
         Current function value: -0.792112
         Iterations: 39
         Function evaluations: 85
Tmp Lattice Constants: [5.4337024]
Tmp Energy: -0.7921120091054971
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [3.0]
Optimization terminated successfully.
         Current function value: -0.792112
         Iterations: 38
         Function evaluations: 81
Tmp Lattice Constants: [5.43370243]
Tmp Energy: -0.7921120091054961
--------
ERR: Lower energy is obtained by separating atoms beyond cutoff.
ERR: System Collapsed. Structure Maybe Unstable.