element(s):
['Si']
AFLOW prototype label:
A_hP2_194_c
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:
['2.6864', '1.708383']
model name:
SW_StillingerWeber_1985_Si__MO_405512056662_006
==== Building ASE atoms object with: ====
representative atom symbols =  ['Si']
representative atom coordinates =  [[0.33333333 0.66666667 0.25      ]]
spacegroup =  194
cell =  [[2.6864, 0, 0], [-1.3432, 2.3264906447265, 0], [0, 0, 4.5894]]
=========================================
      Step     Time          Energy          fmax
BFGS:    0 12:59:45       -3.759293        19.398564
BFGS:    1 12:59:45       -6.100311        12.330140
BFGS:    2 12:59:45       -7.374763         6.356987
BFGS:    3 12:59:45       -7.846990         1.393398
BFGS:    4 12:59:45       -7.872231         0.276207
BFGS:    5 12:59:45       -7.874895         0.372912
BFGS:    6 12:59:45       -7.878636         0.322097
BFGS:    7 12:59:45       -7.880043         0.137519
BFGS:    8 12:59:45       -7.880258         0.023270
BFGS:    9 12:59:45       -7.880265         0.003085
BFGS:   10 12:59:46       -7.880265         0.000237
BFGS:   11 12:59:46       -7.880265         0.000021
BFGS:   12 12:59:46       -7.880265         0.000000
BFGS:   13 12:59:46       -7.880265         0.000000
Minimization converged after 13 steps.
Maximum force component: 3.9344933847398806e-32 eV/Angstrom
Maximum stress component: 2.417625271147502e-10 eV/Angstrom^3
==== Minimized structure obtained from ASE ====
symbols =  ['Si', 'Si']
basis =  [[0.33333333 0.66666667 0.25      ]
 [0.66666666 0.33333334 0.75      ]]
cellpar =  Cell([[2.9320761996420903, -2.0481407186322947e-17, 1.7972025237769198e-36], [-1.4660380998210452, 2.5392524747217844, 9.72325455601071e-36], [-4.073452961981626e-35, -8.386026667944776e-35, 4.788060384729127]])
forces =  [[ 9.03515736e-33 -1.56493516e-32 -3.93449338e-32]
 [-1.50585956e-32  1.56493516e-32  5.62321442e-68]]
stress =  [-2.41762527e-10 -2.41762527e-10 -8.80094565e-11 -8.11044985e-33
 -4.68257041e-33 -8.89178858e-26]
energy per atom =  -3.9401327362145353
===============================================
Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them.
Successfully added property instance for parameter set 0