data_[La6Sm3Dy3Se18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Sm  1.1700  1.8500  1.2290
  Dy  1.2200  1.7500  1.1310
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [7.4825]
_cell_length_b [7.4825]
_cell_length_c [19.6393]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [La2SmDySe6]
_chemical_formula_sum '[La6 Sm3 Dy3 Se18]'
_cell_volume [952.2621]
_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
[
  La  La0  3  0.0000  0.0000  0.4782  1.0
  La  La1  3  0.0000  0.0000  0.9793  1.0
  Sm  Sm2  3  0.0000  0.0000  0.1839  1.0
  Dy  Dy3  3  0.0000  0.0000  0.6823  1.0
  Se  Se4  9  0.0460  0.3542  0.7520  1.0
  Se  Se5  9  0.0482  0.6855  0.2529  1.0
]