data_[Ce3Nd3Dy6Se18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Nd  1.1400  1.8500  1.2765
  Dy  1.2200  1.7500  1.1310
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [7.3719]
_cell_length_b [7.3719]
_cell_length_c [19.5991]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [CeNd(DySe3)2]
_chemical_formula_sum '[Ce3 Nd3 Dy6 Se18]'
_cell_volume [922.4132]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.1867  1.0
  Nd  Nd1  3  0.0000  0.0000  0.6870  1.0
  Dy  Dy2  3  0.0000  0.0000  0.4862  1.0
  Dy  Dy3  3  0.0000  0.0000  0.9861  1.0
  Se  Se4  9  0.0190  0.3102  0.0821  1.0
  Se  Se5  9  0.0210  0.7108  0.5820  1.0
]