element(s):
['B', 'N']
AFLOW prototype label:
AB_hP4_186_b_b
Parameter names:
['a', 'c/a', 'z1', 'z2']
model type (only 'standard' supported at this time):
standard
number of parameter sets:
1
Parameter values for parameter set 0:
['2.5546', '1.6540359', '0.00022218536', '0.37477781']
model name:
Tersoff_LAMMPS_KinaciHaskinsSevik_2012_BNC__MO_105008013807_000
==== Building ASE atoms object with: ====
representative atom symbols =  ['B', 'N']
representative atom coordinates =  [[0.33333333 0.66666667 0.50022219]
 [0.33333333 0.66666667 0.87477781]]
spacegroup =  186
cell =  [[2.5546, 0, 0], [-1.2773, 2.2123484965077, 0], [0, 0, 4.2254]]
=========================================
      Step     Time          Energy         fmax
BFGS:    0 15:40:18      -30.730244        1.8332
BFGS:    1 15:40:18      -30.831481        1.5588
BFGS:    2 15:40:18      -30.984929        1.0612
BFGS:    3 15:40:18      -31.078482        0.5404
BFGS:    4 15:40:18      -31.105528        0.0812
BFGS:    5 15:40:18      -31.105886        0.0558
BFGS:    6 15:40:18      -31.105976        0.0551
BFGS:    7 15:40:18      -31.106334        0.0196
BFGS:    8 15:40:18      -31.106356        0.0044
BFGS:    9 15:40:18      -31.106358        0.0002
BFGS:   10 15:40:18      -31.106358        0.0000
BFGS:   11 15:40:18      -31.106358        0.0000
BFGS:   12 15:40:18      -31.106358        0.0000
Minimization converged after 12 steps.
Maximum force component: 3.0564982489433845e-10 eV/Angstrom
Maximum stress component: 6.133352222302434e-10 eV/Angstrom^3
==== Minimized structure obtained from ASE ====
symbols =  ['B', 'B', 'N', 'N']
basis =  [[0.33333333 0.66666667 0.5       ]
 [0.66666666 0.33333334 1.        ]
 [0.33333333 0.66666667 0.875     ]
 [0.66666666 0.33333334 0.375     ]]
cellpar =  Cell([[2.4705181605872513, 5.932652999431912e-18, -1.0955217774858509e-38], [-1.2352590802936256, 2.1395314875793625, -1.0568310022084156e-36], [-7.54298372192758e-36, 4.1077877402438245e-36, 4.034339262302419]])
forces =  [[-5.71467885e-46  3.11212228e-46  3.05647660e-10]
 [-5.71467885e-46  3.11212228e-46  3.05647660e-10]
 [ 5.71471932e-46 -3.11214432e-46 -3.05649825e-10]
 [ 5.71471932e-46 -3.11214432e-46 -3.05649825e-10]]
stress =  [-4.56137412e-10 -4.56137412e-10 -6.13335222e-10 -2.38488638e-44
 -9.17244144e-45 -6.54971375e-26]
energy per atom =  -7.776589387572008
===============================================
Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them.
Successfully added property instance for parameter set 0