element(s):
['F', 'Na']
AFLOW prototype label:
AB_cF8_225_a_b
Parameter names:
['a']
model type (only 'standard' supported at this time):
standard
number of parameter sets:
1
Parameter values for parameter set 0:
['4.6857']
model name:
LJ_ElliottAkerson_2015_Universal__MO_959249795837_003
==== Building ASE atoms object with: ====
representative atom symbols =  ['F', 'Na']
representative atom coordinates =  [[0.  0.  0. ]
 [0.5 0.5 0.5]]
spacegroup =  225
cell =  [[4.6857, 0, 0], [0, 4.6857, 0], [0, 0, 4.6857]]
=========================================
      Step     Time          Energy          fmax
BFGS:    0 16:40:12      -51.622624         4.906585
BFGS:    1 16:40:12      -52.326811         4.470201
BFGS:    2 16:40:12      -52.961560         3.981680
BFGS:    3 16:40:13      -53.514787         3.379045
BFGS:    4 16:40:13      -53.970296         2.676817
BFGS:    5 16:40:14      -54.312240         1.862687
BFGS:    6 16:40:14      -54.522820         0.922878
BFGS:    7 16:40:14      -54.582450         0.137213
BFGS:    8 16:40:15      -54.583676         0.008221
BFGS:    9 16:40:16      -54.583680         0.000067
BFGS:   10 16:40:16      -54.583680         0.000000
BFGS:   11 16:40:17      -54.583680         0.000000
Minimization converged after 11 steps.
Maximum force component: 0.0 eV/Angstrom
Maximum stress component: 1.4872527719142297e-14 eV/Angstrom^3
==== Minimized structure obtained from ASE ====
symbols =  ['F', 'F', 'F', 'F', 'Na', 'Na', 'Na', 'Na']
basis =  [[0.  0.  0. ]
 [0.  0.5 0.5]
 [0.5 0.  0.5]
 [0.5 0.5 0. ]
 [0.5 0.5 0.5]
 [0.5 0.  0. ]
 [0.  0.5 0. ]
 [0.  0.  0.5]]
cellpar =  Cell([[4.4847383369557825, 2.4269302530987822e-32, -2.0090171146418223e-32], [1.1393531370053526e-32, 4.4847383369557825, -8.142255084819766e-18], [-2.1838256584777973e-32, -8.142255084819732e-18, 4.4847383369557825]])
forces =  [[0. 0. 0.]
 [0. 0. 0.]
 [0. 0. 0.]
 [0. 0. 0.]
 [0. 0. 0.]
 [0. 0. 0.]
 [0. 0. 0.]
 [0. 0. 0.]]
stress =  [ 1.48725277e-14  1.48725277e-14  1.48725277e-14 -3.13589448e-30
  3.95791714e-34 -1.33900897e-49]
energy per atom =  -6.822960022451326
===============================================
Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them.
Successfully added property instance for parameter set 0