data_[Cs2Ce1Dy1Se4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Ce  1.1200  1.8500  1.0800
  Dy  1.2200  1.7500  1.1310
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.5669]
_cell_length_b [4.3661]
_cell_length_c [8.7483]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.8601]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Cs2CeDySe4]
_chemical_formula_sum '[Cs2 Ce1 Dy1 Se4]'
_cell_volume [276.6007]
_cell_formula_units_Z [1]
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  1  0.0000  0.5000  0.5000  1.0
  Cs  Cs1  1  0.5000  0.0000  0.5000  1.0
  Ce  Ce2  1  0.5000  0.5000  0.0000  1.0
  Dy  Dy3  1  0.0000  0.0000  0.0000  1.0
  Se  Se4  2  0.2206  0.5000  0.1857  1.0
  Se  Se5  2  0.2626  0.0000  0.8119  1.0
]