data_[Na2Cr2Cd2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Cr  1.6600  1.4000  0.9400
  Cd  1.6900  1.5500  1.0900
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.5950]
_cell_length_b [6.0278]
_cell_length_c [6.2748]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.3335]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaCrCdO4]
_chemical_formula_sum '[Na2 Cr2 Cd2 O8]'
_cell_volume [202.0092]
_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  0.0995  0.2500  0.4972  1
  Cr  Cr1  2  0.3227  0.7500  0.3215  1
  Cd  Cd2  2  0.2164  0.2500  0.0432  1
  O  O3  4  0.0969  0.5322  0.2377  1
  O  O4  2  0.4268  0.7500  0.6001  1
  O  O5  2  0.4630  0.2500  0.8216  1
]