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:
ThreeBodyCluster_Gong_Gong_1993_Si__MO_407755720412_000
==== 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 15:41:33      -18.546444         0.434260
BFGS:    1 15:41:33      -18.550301         0.346577
BFGS:    2 15:41:34      -18.556853         0.137504
BFGS:    3 15:41:34      -18.558197         0.113763
BFGS:    4 15:41:34      -18.559212         0.039104
BFGS:    5 15:41:34      -18.559309         0.042253
BFGS:    6 15:41:34      -18.559527         0.045781
BFGS:    7 15:41:34      -18.559761         0.042786
BFGS:    8 15:41:34      -18.559948         0.028411
BFGS:    9 15:41:34      -18.559995         0.008883
BFGS:   10 15:41:34      -18.560000         0.000824
BFGS:   11 15:41:34      -18.560000         0.000053
BFGS:   12 15:41:34      -18.560000         0.000004
BFGS:   13 15:41:34      -18.560000         0.000000
BFGS:   14 15:41:34      -18.560000         0.000000
Minimization converged after 14 steps.
Maximum force component: 8.635754751266359e-10 eV/Angstrom
Maximum stress component: 4.885135770358862e-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([[3.8402614165776043, -2.5816966359553083e-19, -5.709300482386887e-38], [-1.9201307082888022, 3.3257639439294184, -5.946760504604523e-37], [1.730283456045481e-36, 3.20503809707418e-36, 6.271120633458491]])
forces =  [[ 9.46697530e-32  5.46576074e-32 -8.63575475e-10]
 [ 2.99787551e-31  1.36644019e-31 -8.63575475e-10]
 [-4.10235597e-31  5.46576074e-32  8.63575475e-10]
 [-8.04692901e-31  3.00616841e-31  8.63575475e-10]]
stress =  [ 3.55302173e-11  3.55302173e-11  4.88513577e-11  3.34897226e-33
  3.41211183e-34 -3.85371620e-27]
energy per atom =  -4.639999999911475
===============================================
Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them.
Successfully added property instance for parameter set 0