element(s):
['Si']
AFLOW prototype label:
A_hP4_194_f
Parameter names:
['a', 'c/a', 'z1']
model type (only 'standard' supported at this time):
standard
number of parameter sets:
1
Parameter values for parameter set 0:
['3.8496', '1.6527431', '0.56294015']
model name:
ThreeBodyCluster_SRS_StephensonRadnySmith_1996_Si__MO_604248666067_000
==== Building ASE atoms object with: ====
representative atom symbols =  ['Si']
representative atom coordinates =  [[0.33333333 0.66666667 0.56294015]]
spacegroup =  194
cell =  [[3.8496, 0, 0], [-1.9248, 3.3338513944086, 0], [0, 0, 6.3624]]
=========================================
      Step     Time          Energy          fmax
BFGS:    0 14:40:50      -21.068368         0.292957
BFGS:    1 14:40:50      -21.070549         0.247906
BFGS:    2 14:40:50      -21.075827         0.099631
BFGS:    3 14:40:50      -21.076563         0.086505
BFGS:    4 14:40:50      -21.077477         0.015640
BFGS:    5 14:40:51      -21.077503         0.020542
BFGS:    6 14:40:51      -21.077541         0.027710
BFGS:    7 14:40:51      -21.077617         0.034622
BFGS:    8 14:40:51      -21.077756         0.036768
BFGS:    9 14:40:51      -21.077903         0.026609
BFGS:   10 14:40:51      -21.077972         0.011812
BFGS:   11 14:40:51      -21.077984         0.002130
BFGS:   12 14:40:51      -21.077985         0.000108
BFGS:   13 14:40:51      -21.077985         0.000017
BFGS:   14 14:40:51      -21.077985         0.000001
BFGS:   15 14:40:51      -21.077985         0.000000
Minimization converged after 15 steps.
Maximum force component: 7.892972095357999e-09 eV/Angstrom
Maximum stress component: 2.0147958170768698e-10 eV/Angstrom^3
==== Minimized structure obtained from ASE ====
symbols =  ['Si', 'Si', 'Si', 'Si']
basis =  [[0.33333333 0.66666667 0.5625    ]
 [0.66666666 0.33333334 0.0625    ]
 [0.66666666 0.33333334 0.4375    ]
 [0.33333333 0.66666667 0.9375    ]]
cellpar =  Cell([[3.839592889854642, -8.884681708956633e-19, -2.6130992612139547e-37], [-1.919796444927321, 3.3251849828042257, 1.4975087184383155e-36], [1.0558076307663766e-36, 1.5783281382181616e-36, 6.2700289379395535]])
forces =  [[ 4.73266363e-32 -8.19721386e-32 -7.89297210e-09]
 [-1.32150326e-45 -2.18592370e-31 -7.89297210e-09]
 [ 2.05082091e-31  8.19721386e-32  7.89297210e-09]
 [ 1.26204363e-31  1.98683562e-45  7.89297210e-09]]
stress =  [-3.84849312e-11 -3.84849312e-11 -2.01479582e-10 -1.37946882e-33
 -3.41330012e-34 -1.70860482e-27]
energy per atom =  -5.269496210193665
===============================================
Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them.
Successfully added property instance for parameter set 0