data_[Li4Er4Bi8S20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Er  1.2400  1.7500  1.0300
  Bi  2.0200  1.6000  1.0350
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.9738]
_cell_length_b [17.7021]
_cell_length_c [12.8438]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [LiErBi2S5]
_chemical_formula_sum '[Li4 Er4 Bi8 S20]'
_cell_volume [903.4802]
_cell_formula_units_Z [4]
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
[
  Li  Li0  4  0.0000  0.4961  0.9915  1.0
  Er  Er1  4  0.0000  0.2091  0.9951  1.0
  Bi  Bi2  4  0.0000  0.0940  0.2439  1.0
  Bi  Bi3  4  0.0000  0.1500  0.6975  1.0
  S  S4  4  0.0000  0.0610  0.0485  1.0
  S  S5  4  0.0000  0.2903  0.3552  1.0
  S  S6  4  0.0000  0.2923  0.6453  1.0
  S  S7  4  0.0000  0.3604  0.0513  1.0
  S  S8  4  0.0000  0.4994  0.2955  1.0
]