data_[Li4Sm8Er4S20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Sm  1.1700  1.8500  1.2290
  Er  1.2400  1.7500  1.0300
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.9387]
_cell_length_b [16.3483]
_cell_length_c [11.8284]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [LiSm2ErS5]
_chemical_formula_sum '[Li4 Sm8 Er4 S20]'
_cell_volume [761.6427]
_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  0.4858  0.4812  1
  Sm  Sm1  4  0.0000  0.1076  0.6850  1
  Sm  Sm2  4  0.0000  0.1247  0.2964  1
  Er  Er3  4  0.0000  0.1974  0.0023  1
  S  S4  4  0.0000  0.0472  0.0713  1
  S  S5  4  0.0000  0.2862  0.6607  1
  S  S6  4  0.0000  0.3076  0.3445  1
  S  S7  4  0.0000  0.3625  0.9988  1
  S  S8  4  0.0000  0.4998  0.2836  1
]