data_[Na4Nb4Cd4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Nb  1.6000  1.4500  0.8200
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [6.1658]
_cell_length_b [4.2915]
_cell_length_c [9.8788]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [NaNbCd]
_chemical_formula_sum '[Na4 Nb4 Cd4]'
_cell_volume [261.4015]
_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
[
  Na  Na0  4  0.1658  0.2500  0.7657  1
  Nb  Nb1  4  0.0768  0.2500  0.4434  1
  Cd  Cd2  4  0.1059  0.2500  0.0850  1
]