Element = Lattice = Model = Element: Cs
Lattice: hcp
Model: Morse_Shifted_GirifalcoWeizer_1959LowCutoff_Cs__MO_256406354561_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: -0.714319
         Iterations: 40
         Function evaluations: 86
Tmp Lattice Constants: [5.56174863]
Tmp Energy: -0.7143188659843829
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [2.25]
Optimization terminated successfully.
         Current function value: -0.714319
         Iterations: 40
         Function evaluations: 86
Tmp Lattice Constants: [5.56174874]
Tmp Energy: -0.714318865984385
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [2.5]
Optimization terminated successfully.
         Current function value: -0.714319
         Iterations: 42
         Function evaluations: 93
Tmp Lattice Constants: [5.56174853]
Tmp Energy: -0.7143188659843829
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [2.75]
Optimization terminated successfully.
         Current function value: -0.714319
         Iterations: 40
         Function evaluations: 87
Tmp Lattice Constants: [5.5617487]
Tmp Energy: -0.7143188659843823
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [3.0]
Optimization terminated successfully.
         Current function value: -0.714319
         Iterations: 38
         Function evaluations: 81
Tmp Lattice Constants: [5.56174866]
Tmp Energy: -0.7143188659843824
--------
ERR: Lower energy is obtained by separating atoms beyond cutoff.
ERR: System Collapsed. Structure Maybe Unstable.