data_[Rb4Dy4Hg4Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Dy  1.2200  1.7500  1.1310
  Hg  2.0000  1.5000  1.2450
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [10.4046]
_cell_length_b [4.3238]
_cell_length_c [16.1301]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [RbDyHgSe3]
_chemical_formula_sum '[Rb4 Dy4 Hg4 Se12]'
_cell_volume [725.6524]
_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
[
  Rb  Rb0  4  0.0368  0.2500  0.8154  1
  Dy  Dy1  4  0.1661  0.7500  0.5510  1
  Hg  Hg2  4  0.1874  0.2500  0.3586  1
  Se  Se3  4  0.0108  0.7500  0.4010  1
  Se  Se4  4  0.1729  0.7500  0.9914  1
  Se  Se5  4  0.2145  0.2500  0.2022  1
]