Imported bulk from ase.lattice Element = Lattice = Model = Element: N Lattice: hcp Model: MEAM_2NN_GaInN__MO_117938381510_001 Model Cutoff: 4.0 NBC Name: MI_OPBC_F Relaxation With c/a Ratio Fixed Simplex Searching start from: cutoff * 0.4 Simplex Searching Start From: [1.6000000000000001] Creating new atoms: (6, 3, 4) Creating new atoms: (5, 3, 3) Creating new atoms: (4, 3, 3) Creating new atoms: (4, 2, 2) Creating new atoms: (3, 2, 2) Creating new atoms: (2, 2, 2) Creating new atoms: (2, 1, 1) Creating new atoms: (2, 1, 2) Optimization terminated successfully. Current function value: -0.000000 Iterations: 40 Function evaluations: 113 Tmp Lattice Constants: [ 5.36] Tmp Energy: -4.04518149137e-18 -------- Simplex Searching start from: cutoff * 0.45 Simplex Searching Start From: [1.8] Creating new atoms: (4, 2, 3) Optimization terminated successfully. Current function value: -0.000000 Iterations: 40 Function evaluations: 113 Tmp Lattice Constants: [ 6.03] Tmp Energy: -4.04518149137e-18 -------- Simplex Searching start from: cutoff * 0.5 Simplex Searching Start From: [2.0] Optimization terminated successfully. Current function value: -0.014746 Iterations: 39 Function evaluations: 82 Tmp Lattice Constants: [ 4.31383444] Tmp Energy: -0.0147460748755 -------- Simplex Searching start from: cutoff * 0.55 Simplex Searching Start From: [2.2000000000000002] Optimization terminated successfully. Current function value: -0.000000 Iterations: 39 Function evaluations: 111 Tmp Lattice Constants: [ 4.73] Tmp Energy: -4.04518149137e-18 -------- Simplex Searching start from: cutoff * 0.6 Simplex Searching Start From: [2.3999999999999999] Optimization terminated successfully. Current function value: -0.000000 Iterations: 39 Function evaluations: 111 Tmp Lattice Constants: [ 5.16] Tmp Energy: -4.04518149137e-18 -------- ERR: Lower energy is obtained by separating atoms beyond cutoff. ERR: System Collapsed. Structure Maybe Unstable. 1 N 1 N 1 N 1 N 1 N 1 N 1 N 1 N 1 N 1 N