data_[Al4Cr4Cd4Se16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Al  1.6100  1.2500  0.6750
  Cr  1.6600  1.4000  0.9400
  Cd  1.6900  1.5500  1.0900
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P4_122]
_cell_length_a [7.7158]
_cell_length_b [7.7158]
_cell_length_c [10.8175]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [91]
_chemical_formula_structural [AlCrCdSe4]
_chemical_formula_sum '[Al4 Cr4 Cd4 Se16]'
_cell_volume [644.0078]
_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  0.2491  0.5000  0.2500  1
  Cr  Cr1  4  0.0000  0.2473  0.5000  1
  Cd  Cd2  4  0.2501  0.2501  0.8750  1
  Se  Se3  8  0.0299  0.2487  0.2647  1
  Se  Se4  8  0.2476  0.4683  0.4876  1
]