data_[Al4Cd8N4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Al  1.6100  1.2500  0.6750
  Cd  1.6900  1.5500  1.0900
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Fm-3m]
_cell_length_a [6.5593]
_cell_length_b [6.5593]
_cell_length_c [6.5593]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [225]
_chemical_formula_structural [AlCd2N]
_chemical_formula_sum '[Al4 Cd8 N4]'
_cell_volume [282.2143]
_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
[
  Al  Al0  4  0.0000  0.0000  0.5000  1
  Cd  Cd1  8  0.2500  0.2500  0.2500  1
  N  N2  4  0.0000  0.0000  0.0000  1
]