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 17:25:15      -15.073825         7.982245
BFGS:    1 17:25:15      -15.748277         5.720073
BFGS:    2 17:25:15      -16.202529         3.646326
BFGS:    3 17:25:15      -16.460248         1.778479
BFGS:    4 17:25:15      -16.545315         0.228510
BFGS:    5 17:25:15      -16.546437         0.052786
BFGS:    6 17:25:15      -16.546496         0.033189
BFGS:    7 17:25:15      -16.546663         0.043793
BFGS:    8 17:25:15      -16.546802         0.035402
BFGS:    9 17:25:15      -16.546872         0.017523
BFGS:   10 17:25:15      -16.546882         0.004092
BFGS:   11 17:25:15      -16.546883         0.000266
BFGS:   12 17:25:15      -16.546883         0.000015
BFGS:   13 17:25:15      -16.546883         0.000001
BFGS:   14 17:25:15      -16.546883         0.000000
BFGS:   15 17:25:15      -16.546883         0.000000
Minimization converged after 15 steps.
Maximum force component: 4.288646529689788e-31 eV/Angstrom
Maximum stress component: 1.6939956025718014e-11 eV/Angstrom^3
==== Minimized structure obtained from ASE ====
symbols =  ['Si', 'Si', 'Si', 'Si']
basis =  [[2.73387729e-33 0.00000000e+00 0.00000000e+00]
 [5.00000000e-01 5.00000000e-01 5.00000000e-01]
 [0.00000000e+00 5.00000000e-01 2.50000000e-01]
 [5.00000000e-01 0.00000000e+00 7.50000000e-01]]
cellpar =  Cell([[4.970519174882717, -9.052838030311093e-37, -2.2016642792607603e-36], [-1.6537784813733069e-37, 4.9705191748827176, 5.441124547101469e-18], [-2.3415098789663163e-40, 2.964559554257231e-18, 2.7872744776865064]])
forces =  [[-1.53165947e-31 -1.83799137e-31 -2.01201114e-49]
 [-3.36965084e-31 -6.12663790e-32 -2.95245246e-33]
 [ 1.22306362e-68 -3.67598274e-31 -4.02402228e-49]
 [-9.18995685e-32  4.28864653e-31 -8.58895261e-33]]
stress =  [-8.09748816e-12 -8.09748816e-12 -1.69399560e-11 -3.83434549e-27
 -2.32755706e-52 -5.77045537e-66]
energy per atom =  -4.136720714817925
===============================================
Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them.
Successfully added property instance for parameter set 0