data_[Sr4Tb4Cu4Se4S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Tb  1.1000  1.7500  0.9815
  Cu  1.9000  1.3500  0.8200
  Se  2.5500  1.1500  1.0133
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.9879]
_cell_length_b [13.4224]
_cell_length_c [10.5644]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [SrTbCuSeS2]
_chemical_formula_sum '[Sr4 Tb4 Cu4 Se4 S8]'
_cell_volume [565.4811]
_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
[
  Sr  Sr0  4  0.0000  0.2368  0.7500  1
  Tb  Tb1  4  0.0000  0.0000  0.0000  1
  Cu  Cu2  4  0.0000  0.4735  0.2500  1
  Se  Se3  4  0.0000  0.0863  0.2500  1
  S  S4  8  0.0000  0.3689  0.0737  1
]