data_[Na2Ca6Cd2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ca  1.0000  1.8000  1.1400
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [5.1124]
_cell_length_b [9.6669]
_cell_length_c [7.3524]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [NaCa3Cd]
_chemical_formula_sum '[Na2 Ca6 Cd2]'
_cell_volume [363.3635]
_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  0.0000  0.5000  0.4434  1.0
  Ca  Ca1  4  0.0000  0.2001  0.7947  1.0
  Ca  Ca2  2  0.0000  0.0000  0.2455  1.0
  Cd  Cd3  2  0.0000  0.5000  0.0245  1.0
]