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 15:34:02      -18.546444        0.4343
BFGS:    1 15:34:02      -18.550301        0.3466
BFGS:    2 15:34:02      -18.556853        0.1375
BFGS:    3 15:34:02      -18.558197        0.1138
BFGS:    4 15:34:02      -18.559212        0.0391
BFGS:    5 15:34:02      -18.559309        0.0423
BFGS:    6 15:34:02      -18.559527        0.0458
BFGS:    7 15:34:02      -18.559761        0.0428
BFGS:    8 15:34:02      -18.559948        0.0284
BFGS:    9 15:34:02      -18.559995        0.0089
BFGS:   10 15:34:02      -18.560000        0.0008
BFGS:   11 15:34:02      -18.560000        0.0001
BFGS:   12 15:34:02      -18.560000        0.0000
BFGS:   13 15:34:02      -18.560000        0.0000
BFGS:   14 15:34:02      -18.560000        0.0000
Minimization converged after 14 steps.
Maximum force component: 8.635732052347106e-10 eV/Angstrom
Maximum stress component: 4.885131327188367e-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, -4.056101874277192e-19, 2.456559416978398e-38], [-1.9201307082888022, 3.325763943929418, 7.46914546367975e-39], [1.8067206396699094e-36, 6.877044947836362e-36, 6.271120633458491]])
forces =  [[-3.15565843e-31  1.09315215e-31 -8.63573205e-10]
 [ 5.04905350e-31 -9.47066166e-46 -8.63573205e-10]
 [ 6.31131687e-32 -1.09315215e-31  8.63573205e-10]
 [-5.04905350e-31  9.47066166e-46  8.63573205e-10]]
stress =  [ 3.55300374e-11  3.55300374e-11  4.88513133e-11 -8.66792821e-33
 -2.64631353e-47  1.09479220e-26]
energy per atom =  -4.639999999911474
===============================================
Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them.
Successfully added property instance for parameter set 0