element(s):
['Si']
AFLOW prototype label:
A_hP4_194_f
Parameter names:
['a', 'c/a', 'z1']
model type (only 'standard' supported at this time):
standard
number of parameter sets:
1
Parameter values for parameter set 0:
['3.8496', '1.6527431', '0.56294015']
model name:
SW_BalamaneHaliciogluTiller_1992_Si__MO_113686039439_005
==== Building ASE atoms object with: ====
representative atom symbols =  ['Si']
representative atom coordinates =  [[0.33333333 0.66666667 0.56294015]]
spacegroup =  194
cell =  [[3.8496, 0, 0], [-1.9248, 3.3338513944086, 0], [0, 0, 6.3624]]
=========================================
      Step     Time          Energy          fmax
BFGS:    0 14:38:53      -18.506309         0.437615
BFGS:    1 14:38:53      -18.510071         0.353558
BFGS:    2 14:38:53      -18.516949         0.142366
BFGS:    3 14:38:53      -18.518300         0.113417
BFGS:    4 14:38:53      -18.519251         0.043572
BFGS:    5 14:38:53      -18.519355         0.045576
BFGS:    6 14:38:53      -18.519612         0.043335
BFGS:    7 14:38:53      -18.519836         0.037555
BFGS:    8 14:38:53      -18.519974         0.021456
BFGS:    9 14:38:53      -18.519998         0.005089
BFGS:   10 14:38:53      -18.520000         0.000276
BFGS:   11 14:38:53      -18.520000         0.000024
BFGS:   12 14:38:53      -18.520000         0.000001
BFGS:   13 14:38:53      -18.520000         0.000000
BFGS:   14 14:38:53      -18.520000         0.000000
Minimization converged after 14 steps.
Maximum force component: 7.548372038905436e-10 eV/Angstrom
Maximum stress component: 2.8197685626936945e-11 eV/Angstrom^3
==== Minimized structure obtained from ASE ====
symbols =  ['Si', 'Si', 'Si', 'Si']
basis =  [[0.33333333 0.66666667 0.5625    ]
 [0.66666666 0.33333334 0.0625    ]
 [0.66666666 0.33333334 0.4375    ]
 [0.33333333 0.66666667 0.9375    ]]
cellpar =  Cell([[3.8402614166096556, 4.117133520762682e-19, -7.501447378543075e-38], [-1.9201307083048278, 3.3257639439571753, 3.446449164324043e-37], [-2.749856452562203e-36, 5.960719418729836e-36, 6.271120633217109]])
forces =  [[ 4.61515046e-31  7.51542102e-32 -7.54837204e-10]
 [-3.47122428e-31  1.63972822e-31 -7.54837204e-10]
 [-8.28360339e-32  1.43476219e-31  7.54837204e-10]
 [ 9.46697530e-32 -1.63972822e-31  7.54837204e-10]]
stress =  [ 2.81976856e-11  2.81976856e-11  1.90589655e-11  1.96998368e-34
  1.01596943e-46 -3.07840912e-27]
energy per atom =  -4.629999999911666
===============================================
Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them.
Successfully added property instance for parameter set 0