data_[Cs4Tb2Mg4S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Tb  1.1000  1.7500  0.9815
  Mg  1.3100  1.5000  0.8600
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.6543]
_cell_length_b [4.1274]
_cell_length_c [8.2170]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.9144]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Cs2Tb(MgS2)2]
_chemical_formula_sum '[Cs4 Tb2 Mg4 S8]'
_cell_volume [507.9410]
_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  0.1269  0.0000  0.5349  1
  Tb  Tb1  2  0.0000  0.0000  0.0000  1
  Mg  Mg2  4  0.1716  0.5000  0.9757  1
  S  S3  4  0.0234  0.5000  0.7799  1
  S  S4  4  0.1978  0.0000  0.1503  1
]