data_[Cs4Er2S6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Er  1.2400  1.7500  1.0300
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.0372]
_cell_length_b [6.1585]
_cell_length_c [15.5514]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Cs2ErS3]
_chemical_formula_sum '[Cs4 Er2 S6]'
_cell_volume [386.6530]
_cell_formula_units_Z [2]
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
[
  Cs  Cs0  4  0.0000  0.5000  0.3152  1
  Er  Er1  2  0.0000  0.5000  0.0000  1
  S  S2  4  0.0000  0.0000  0.3846  1
  S  S3  2  0.0000  0.0000  0.0000  1
]