data_[Na4Rh2Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Rh  2.2800  1.3500  0.7450
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Pc]
_cell_length_a [4.4491]
_cell_length_b [20.4869]
_cell_length_c [8.4406]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.2771]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [7]
_chemical_formula_structural [Na2RhSe3]
_chemical_formula_sum '[Na4 Rh2 Se6]'
_cell_volume [701.3090]
_cell_formula_units_Z [2]
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
[
  Na  Na0  2  0.1540  0.3661  0.5012  1
  Na  Na1  2  0.8061  0.3724  0.0469  1
  Rh  Rh2  2  0.3942  0.4895  0.3348  1
  Se  Se3  2  0.0973  0.4033  0.8060  1
  Se  Se4  2  0.4745  0.3707  0.2821  1
  Se  Se5  2  0.6924  0.4921  0.6475  1
]