data_[Dy4Ag4Se8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Dy  1.2200  1.7500  1.1310
  Ag  1.9300  1.6000  1.0867
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_12_12_1]
_cell_length_a [4.2908]
_cell_length_b [6.8146]
_cell_length_c [13.8358]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [19]
_chemical_formula_structural [DyAgSe2]
_chemical_formula_sum '[Dy4 Ag4 Se8]'
_cell_volume [404.5658]
_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
[
  Dy  Dy0  4  0.2185  0.2949  0.1270  1.0
  Ag  Ag1  4  0.0063  0.7938  0.1279  1.0
  Se  Se2  4  0.2219  0.4105  0.7742  1.0
  Se  Se3  4  0.2269  0.0087  0.9738  1.0
]