data_[Na1Mg1Cd1Pb1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Mg  1.3100  1.5000  0.8600
  Cd  1.6900  1.5500  1.0900
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P4mm]
_cell_length_a [3.5730]
_cell_length_b [3.5730]
_cell_length_c [8.0266]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [99]
_chemical_formula_structural [NaMgCdPb]
_chemical_formula_sum '[Na1 Mg1 Cd1 Pb1]'
_cell_volume [102.4682]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.0881  1
  Mg  Mg1  1  0.0000  0.0000  0.5522  1
  Cd  Cd2  1  0.5000  0.5000  0.3437  1
  Pb  Pb3  1  0.5000  0.5000  0.8007  1
]