data_[Sr4Al4Cd2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Al  1.6100  1.2500  0.6750
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [7.5454]
_cell_length_b [7.5454]
_cell_length_c [5.2068]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Sr2Al2Cd]
_chemical_formula_sum '[Sr4 Al4 Cd2]'
_cell_volume [296.4405]
_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
[
  Sr  Sr0  4  0.1745  0.6745  0.5000  1
  Al  Al1  4  0.1265  0.3735  0.0000  1
  Cd  Cd2  2  0.0000  0.0000  0.0000  1
]