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_1959HighCutoff_Rb__MO_908110223949_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 09:47:33       -3.350705         0.035660
BFGS:    1 09:47:33       -3.350743         0.035421
BFGS:    2 09:47:33       -3.352543         0.002205
BFGS:    3 09:47:33       -3.352545         0.002466
BFGS:    4 09:47:33       -3.352545         0.002431
BFGS:    5 09:47:33       -3.352547         0.001514
BFGS:    6 09:47:33       -3.352548         0.000709
BFGS:    7 09:47:33       -3.352549         0.000299
BFGS:    8 09:47:33       -3.352549         0.000059
BFGS:    9 09:47:33       -3.352549         0.000010
BFGS:   10 09:47:33       -3.352549         0.000001
BFGS:   11 09:47:33       -3.352549         0.000000
BFGS:   12 09:47:33       -3.352549         0.000000
Minimization converged after 12 steps.
Maximum force component: 3.566016516041006e-33 eV/Angstrom
Maximum stress component: 1.979454464593334e-12 eV/Angstrom^3
==== Minimized structure obtained from ASE ====
symbols =  ['Rb', 'Rb', 'Rb', 'Rb']
basis =  [[0.00000000e+00 3.19899055e-33 3.21042596e-32]
 [5.00000000e-01 5.00000000e-01 5.00000000e-01]
 [8.88209825e-33 5.00000000e-01 2.50000000e-01]
 [5.00000000e-01 0.00000000e+00 7.50000000e-01]]
cellpar =  Cell([[4.628954088430757, -5.60212854385602e-38, 2.7809410544878055e-43], [3.6747171154021563e-38, 4.628954088430756, 1.0568677884250463e-19], [9.427731281297286e-41, 3.880382123105271e-19, 17.01356307749443]])
forces =  [[-1.78300826e-33  2.45163635e-33  5.59749663e-53]
 [ 2.00588429e-33 -8.91504129e-34  1.63834653e-33]
 [ 8.91504129e-34 -3.56601652e-33 -8.14181328e-53]
 [ 1.11438016e-33 -1.78300826e-33 -4.07090664e-53]]
stress =  [ 1.97945446e-12  1.97945446e-12 -1.79574749e-12 -8.41222916e-29
 -1.45394360e-52  5.16064689e-67]
energy per atom =  -0.8381373001110317
===============================================
Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them.
Successfully added property instance for parameter set 0