Element = Lattice = Model = Element: O
Lattice: hcp
Model: Sim_LAMMPS_Vashishta_BroughtonMeliVashishta_1997_SiO__SM_422553794879_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: 40
         Function evaluations: 113
Tmp Lattice Constants: [6.7]
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: 40
         Function evaluations: 114
Tmp Lattice Constants: [5.7375]
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: 40
         Function evaluations: 114
Tmp Lattice Constants: [6.375]
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: 39
         Function evaluations: 111
Tmp Lattice Constants: [5.9125]
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: 39
         Function evaluations: 111
Tmp Lattice Constants: [6.45]
Tmp Energy: 0.0
--------
ERR: Lower energy is obtained by separating atoms beyond cutoff.
ERR: System Collapsed. Structure Maybe Unstable.