data_[Cs4Dy2Hg4Se8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Dy  1.2200  1.7500  1.1310
  Hg  2.0000  1.5000  1.2450
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.9496]
_cell_length_b [4.2697]
_cell_length_c [8.8616]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.3427]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Cs2Dy(HgSe2)2]
_chemical_formula_sum '[Cs4 Dy2 Hg4 Se8]'
_cell_volume [593.1665]
_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  0.1282  0.0000  0.5698  1
  Dy  Dy1  2  0.0000  0.0000  0.0000  1
  Hg  Hg2  4  0.1881  0.5000  0.0153  1
  Se  Se3  4  0.0223  0.5000  0.7920  1
  Se  Se4  4  0.1798  0.0000  0.2114  1
]