Element = Lattice = Model = Element: Si
Lattice: hcp
Model: Sim_LAMMPS_Vashishta_VashishtaKaliaRino_1990_SiO__SM_887826436433_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: 0.000000
         Iterations: 42
         Function evaluations: 118
Tmp Lattice Constants: [11.5]
Tmp Energy: 0.0
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [2.25]
Optimization terminated successfully.
         Current function value: 0.000000
         Iterations: 43
         Function evaluations: 121
Tmp Lattice Constants: [12.9375]
Tmp Energy: 0.0
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [2.5]
Optimization terminated successfully.
         Current function value: 0.000000
         Iterations: 42
         Function evaluations: 119
Tmp Lattice Constants: [10.375]
Tmp Energy: 0.0
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [2.75]
Optimization terminated successfully.
         Current function value: 0.000000
         Iterations: 42
         Function evaluations: 119
Tmp Lattice Constants: [11.4125]
Tmp Energy: 0.0
--------
Simplex search starting from: 5.0 * 0
Simplex search starting from: [3.0]
Optimization terminated successfully.
         Current function value: 0.000000
         Iterations: 41
         Function evaluations: 116
Tmp Lattice Constants: [10.05]
Tmp Energy: 0.0
--------
ERR: Lower energy is obtained by separating atoms beyond cutoff.
ERR: System Collapsed. Structure Maybe Unstable.