data_[Rb4Dy4Sn2Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Dy  1.2200  1.7500  1.1310
  Sn  1.9600  1.4500  0.8300
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.1465]
_cell_length_b [12.3488]
_cell_length_c [8.6104]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.4283]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Dy2SnSe6]
_chemical_formula_sum '[Rb4 Dy4 Sn2 Se12]'
_cell_volume [728.8539]
_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
[
  Rb  Rb0  4  0.0000  0.1695  0.0000  1.0
  Dy  Dy1  4  0.0000  0.3317  0.5000  1.0
  Sn  Sn2  2  0.0000  0.0000  0.5000  1.0
  Se  Se3  8  0.2275  0.1603  0.6913  1.0
  Se  Se4  4  0.2469  0.5000  0.6878  1.0
]