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:
SW_StillingerWeber_1985_Si__MO_405512056662_006
==== 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 09:47:51      -15.073825         7.982245
BFGS:    1 09:47:51      -15.748277         5.720073
BFGS:    2 09:47:51      -16.202529         3.646326
BFGS:    3 09:47:51      -16.460248         1.778479
BFGS:    4 09:47:51      -16.545315         0.228510
BFGS:    5 09:47:51      -16.546437         0.052786
BFGS:    6 09:47:51      -16.546496         0.033189
BFGS:    7 09:47:51      -16.546663         0.043793
BFGS:    8 09:47:51      -16.546802         0.035402
BFGS:    9 09:47:51      -16.546872         0.017523
BFGS:   10 09:47:51      -16.546882         0.004092
BFGS:   11 09:47:51      -16.546883         0.000266
BFGS:   12 09:47:51      -16.546883         0.000015
BFGS:   13 09:47:51      -16.546883         0.000001
BFGS:   14 09:47:51      -16.546883         0.000000
BFGS:   15 09:47:51      -16.546883         0.000000
Minimization converged after 15 steps.
Maximum force component: 2.9292987457256132e-31 eV/Angstrom
Maximum stress component: 1.6938986168638747e-11 eV/Angstrom^3
==== Minimized structure obtained from ASE ====
symbols =  ['Si', 'Si', 'Si', 'Si']
basis =  [[1.01698367e-32 0.00000000e+00 1.46370721e-32]
 [5.00000000e-01 5.00000000e-01 5.00000000e-01]
 [2.60233090e-34 5.00000000e-01 2.50000000e-01]
 [5.00000000e-01 7.98189393e-33 7.50000000e-01]]
cellpar =  Cell([[4.970519174882717, -1.2747600247273135e-36, 1.1925951703278506e-40], [-4.834860112998416e-38, 4.970519174882718, 7.354274397517532e-18], [3.778993345166141e-38, 4.034915136282144e-18, 2.787274477686507]])
forces =  [[ 1.07216163e-31 -2.14432326e-31 -3.17269507e-49]
 [ 3.30264074e-32 -2.14432326e-31  8.58895261e-33]
 [-2.92929875e-31  9.18995685e-32  1.35972646e-49]
 [-1.37370709e-31  3.06331895e-32  8.58895261e-33]]
stress =  [-8.09673035e-12 -8.09673035e-12 -1.69389862e-11  1.65559425e-28
 -1.11211316e-34  1.00245429e-51]
energy per atom =  -4.136720714817927
===============================================
Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them.
Successfully added property instance for parameter set 0