data_[Dy2Ag10Se8]
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 [Immm]
_cell_length_a [4.2541]
_cell_length_b [7.7644]
_cell_length_c [14.6549]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [DyAg5Se4]
_chemical_formula_sum '[Dy2 Ag10 Se8]'
_cell_volume [484.0632]
_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
[
  Dy  Dy0  2  0.0000  0.5000  0.5000  1
  Ag  Ag1  8  0.0000  0.2320  0.1821  1
  Ag  Ag2  2  0.0000  0.0000  0.5000  1
  Se  Se3  4  0.0000  0.2611  0.0000  1
  Se  Se4  4  0.0000  0.5000  0.2998  1
]