element(s):
['Rb']
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:
['4.6857', '3.615511']
model name:
Morse_Shifted_GirifalcoWeizer_1959MedCutoff_Rb__MO_147245690895_004
==== Building ASE atoms object with: ====
representative atom symbols =  ['Rb']
representative atom coordinates =  [[0 0 0]]
spacegroup =  141
cell =  [[4.6857, 0, 0], [0, 4.6857, 0], [0, 0, 16.9412]]
=========================================
      Step     Time          Energy          fmax
BFGS:    0 20:01:00       -3.279312         0.028365
BFGS:    1 20:01:00       -3.279332         0.028075
BFGS:    2 20:01:01       -3.280299         0.000317
BFGS:    3 20:01:01       -3.280299         0.000054
BFGS:    4 20:01:01       -3.280299         0.000049
BFGS:    5 20:01:01       -3.280299         0.000042
BFGS:    6 20:01:01       -3.280299         0.000043
BFGS:    7 20:01:01       -3.280299         0.000036
BFGS:    8 20:01:01       -3.280299         0.000019
BFGS:    9 20:01:02       -3.280299         0.000009
BFGS:   10 20:01:02       -3.280299         0.000002
BFGS:   11 20:01:02       -3.280299         0.000000
BFGS:   12 20:01:02       -3.280299         0.000000
BFGS:   13 20:01:02       -3.280299         0.000000
Minimization converged after 13 steps.
Maximum force component: 2.9038625852596424e-32 eV/Angstrom
Maximum stress component: 3.991501659759774e-12 eV/Angstrom^3
==== Minimized structure obtained from ASE ====
symbols =  ['Rb', 'Rb', 'Rb', 'Rb']
basis =  [[2.23803032e-32 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 2.48114885e-33 7.50000000e-01]]
cellpar =  Cell([[4.657350427963961, 1.8336487894859485e-39, -5.5497515710253675e-39], [4.4138232366420764e-39, 4.657350427963963, -7.64254759370736e-19], [1.681168313653219e-54, -2.8081523365654893e-18, 17.109465621628896]])
forces =  [[ 1.34545960e-33 -2.46667593e-33 -2.63613057e-32]
 [ 2.24243266e-34  6.72729799e-34 -2.90386259e-32]
 [-6.16668982e-34  3.13940573e-33  1.31806529e-32]
 [-1.68182450e-34  3.36364899e-34  1.31806529e-32]]
stress =  [ 2.86305698e-12  2.86305698e-12 -3.99150166e-12 -7.80427184e-28
  4.83387170e-36  1.43486011e-51]
energy per atom =  -0.8200748285293764
===============================================
Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them.
Successfully added property instance for parameter set 0