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:
MFF_MistriotisFlytzanisFarantos_1989_Si__MO_080526771943_001
==== 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 15:10:39        1.479938        51.407483
BFGS:    1 15:10:39       -4.240180        31.813362
BFGS:    2 15:10:39       -7.514899        16.224315
BFGS:    3 15:10:39       -8.880578         5.065131
BFGS:    4 15:10:39       -9.065356         1.014836
BFGS:    5 15:10:39       -9.073662         0.120131
BFGS:    6 15:10:39       -9.073929         0.107885
BFGS:    7 15:10:39       -9.074210         0.148119
BFGS:    8 15:10:39       -9.074512         0.118141
BFGS:    9 15:10:39       -9.074619         0.043446
BFGS:   10 15:10:39       -9.074633         0.007156
BFGS:   11 15:10:39       -9.074634         0.000283
BFGS:   12 15:10:39       -9.074634         0.000036
BFGS:   13 15:10:39       -9.074634         0.000001
BFGS:   14 15:10:39       -9.074634         0.000000
BFGS:   15 15:10:39       -9.074634         0.000000
Minimization converged after 15 steps.
Maximum force component: 4.732945481066236e-33 eV/Angstrom
Maximum stress component: 1.4325332391584391e-11 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([[2.9355105216075392, -2.875314839061594e-17, 1.972995487971845e-34], [-1.4677552608037696, 2.5422266847886372, -1.405957702486254e-34], [-1.3611835740659972e-34, -7.516388373059988e-34, 4.881973681631606]])
forces =  [[ 0.00000000e+00  0.00000000e+00  0.00000000e+00]
 [ 2.73256735e-33 -4.73294548e-33  2.61751684e-67]]
stress =  [-1.43253324e-11 -1.43253324e-11 -1.09822178e-11  1.45660627e-32
  3.71515963e-45 -7.10896877e-27]
energy per atom =  -4.537316843423904
===============================================
Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them.
Successfully added property instance for parameter set 0