element(s):
['Si']
AFLOW prototype label:
A_tI4_141_a
Parameter names:
['a', 'c/a']
model type (only 'standard' supported at this time):
standard
number of parameter sets:
1
Parameter values for parameter set 0:
['4.8146', '0.54949529']
model name:
ThreeBodyCluster_Gong_Gong_1993_Si__MO_407755720412_000
==== Building ASE atoms object with: ====
representative atom symbols =  ['Si']
representative atom coordinates =  [[0 0 0]]
spacegroup =  141
cell =  [[4.8146, 0, 0], [0, 4.8146, 0], [0, 0, 2.6456]]
=========================================
      Step     Time          Energy          fmax
BFGS:    0 11:58:19      -19.394705         2.161257
BFGS:    1 11:58:19      -19.452329         1.365149
BFGS:    2 11:58:19      -19.490563         0.292188
BFGS:    3 11:58:19      -19.494100         0.286229
BFGS:    4 11:58:19      -19.499833         0.153715
BFGS:    5 11:58:20      -19.501082         0.074579
BFGS:    6 11:58:20      -19.501244         0.012742
BFGS:    7 11:58:20      -19.501248         0.000807
BFGS:    8 11:58:20      -19.501248         0.000034
BFGS:    9 11:58:20      -19.501248         0.000001
BFGS:   10 11:58:20      -19.501248         0.000000
BFGS:   11 11:58:20      -19.501248         0.000000
Minimization converged after 11 steps.
Maximum force component: 8.493910130258315e-32 eV/Angstrom
Maximum stress component: 1.2475660389386049e-11 eV/Angstrom^3
==== Minimized structure obtained from ASE ====
symbols =  ['Si', 'Si', 'Si', 'Si']
basis =  [[0.00000000e+00 0.00000000e+00 0.00000000e+00]
 [5.00000000e-01 5.00000000e-01 5.00000000e-01]
 [2.31186625e-33 5.00000000e-01 2.50000000e-01]
 [5.00000000e-01 9.66722627e-34 7.50000000e-01]]
cellpar =  Cell([[4.7937937919584135, -9.212864244977745e-37, 2.96070458440023e-39], [1.5562522528888238e-36, 4.793793791958413, -2.0996984266803555e-19], [1.8744452854918083e-37, -1.2080635686635907e-19, 2.71636221023808]])
forces =  [[ 1.47720176e-32  2.26196520e-32 -3.34817493e-32]
 [ 3.69300440e-33 -8.49391013e-32 -3.34817493e-32]
 [ 9.50379095e-69  2.21580264e-32  3.34817493e-32]
 [-1.47720176e-32 -7.38600881e-33  5.02226239e-32]]
stress =  [-2.13247574e-12 -2.13247574e-12 -1.24756604e-11  2.56010982e-28
  4.73285757e-34 -1.11653737e-50]
energy per atom =  -4.875312014764039
===============================================
Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them.
Successfully added property instance for parameter set 0