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 17:27:13      -19.394705         2.161257
BFGS:    1 17:27:13      -19.452329         1.365149
BFGS:    2 17:27:13      -19.490563         0.292188
BFGS:    3 17:27:13      -19.494100         0.286229
BFGS:    4 17:27:13      -19.499833         0.153715
BFGS:    5 17:27:13      -19.501082         0.074579
BFGS:    6 17:27:13      -19.501244         0.012742
BFGS:    7 17:27:13      -19.501248         0.000807
BFGS:    8 17:27:13      -19.501248         0.000034
BFGS:    9 17:27:13      -19.501248         0.000001
BFGS:   10 17:27:13      -19.501248         0.000000
BFGS:   11 17:27:13      -19.501248         0.000000
Minimization converged after 11 steps.
Maximum force component: 1.674087462559813e-32 eV/Angstrom
Maximum stress component: 1.2476016097562536e-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]
 [1.46530507e-33 5.00000000e-01 2.50000000e-01]
 [5.00000000e-01 0.00000000e+00 7.50000000e-01]]
cellpar =  Cell([[4.793793791958412, -6.205130487615205e-37, 2.9607045844001875e-39], [2.0041164221542006e-36, 4.793793791958412, -1.976062837602574e-19], [1.8744452854918085e-37, -1.1382087431888377e-19, 2.7163622102380804]])
forces =  [[ 3.69300440e-33  5.53950661e-33 -2.28345515e-52]
 [ 7.38600881e-33 -1.84650220e-33  1.67408746e-32]
 [-3.69300440e-33  1.29255154e-32  8.37043731e-33]
 [ 5.53950661e-33  3.69300440e-33 -1.52230344e-52]]
stress =  [-2.13307949e-12 -2.13307949e-12 -1.24760161e-11  3.09713603e-28
 -1.29230543e-49 -2.12223861e-66]
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