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 15:32:14      -18.506309        0.4376
BFGS:    1 15:32:14      -18.510071        0.3536
BFGS:    2 15:32:14      -18.516949        0.1424
BFGS:    3 15:32:14      -18.518300        0.1134
BFGS:    4 15:32:14      -18.519251        0.0436
BFGS:    5 15:32:14      -18.519355        0.0456
BFGS:    6 15:32:14      -18.519612        0.0433
BFGS:    7 15:32:14      -18.519836        0.0376
BFGS:    8 15:32:14      -18.519974        0.0215
BFGS:    9 15:32:14      -18.519998        0.0051
BFGS:   10 15:32:14      -18.520000        0.0003
BFGS:   11 15:32:14      -18.520000        0.0000
BFGS:   12 15:32:14      -18.520000        0.0000
BFGS:   13 15:32:14      -18.520000        0.0000
BFGS:   14 15:32:14      -18.520000        0.0000
Minimization converged after 14 steps.
Maximum force component: 7.548319384547749e-10 eV/Angstrom
Maximum stress component: 2.8197484697924845e-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, 2.514156501019401e-18, -8.620949456502876e-37], [-1.9201307083048278, 3.325763943957175, -2.3134188413404694e-36], [3.885003328936304e-36, 7.457415687529543e-36, 6.27112063321711]])
forces =  [[-9.46697530e-32  1.63972822e-31 -7.54831938e-10]
 [-2.52452675e-31  4.37260859e-31 -7.54831938e-10]
 [-4.41792181e-31 -1.09315215e-31  7.54831938e-10]
 [-5.04905350e-31  8.97291398e-46  7.54831938e-10]]
stress =  [ 2.81974847e-11  2.81974847e-11  1.90590946e-11  3.93996737e-34
  3.41211183e-33 -1.27686334e-26]
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