data_[Ce8Dy4Cu4Se20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Dy  1.2200  1.7500  1.1310
  Cu  1.9000  1.3500  0.8200
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.0439]
_cell_length_b [17.2906]
_cell_length_c [12.4056]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Ce2DyCuSe5]
_chemical_formula_sum '[Ce8 Dy4 Cu4 Se20]'
_cell_volume [867.4262]
_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
[
  Ce  Ce0  4  0.0000  0.1112  0.3474  1
  Ce  Ce1  4  0.0000  0.1187  0.6947  1
  Dy  Dy2  4  0.0000  0.1788  0.0250  1
  Cu  Cu3  4  0.0000  0.4451  0.4236  1
  Se  Se4  4  0.0000  0.0162  0.0182  1
  Se  Se5  4  0.0000  0.3037  0.6877  1
  Se  Se6  4  0.0000  0.3095  0.3592  1
  Se  Se7  4  0.0000  0.3446  0.0196  1
  Se  Se8  4  0.0000  0.4962  0.7486  1
]