data_[Ca4Sb2Ir4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Sb  2.0500  1.4500  0.8300
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [6.9717]
_cell_length_b [6.9717]
_cell_length_c [4.5797]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Ca2SbIr2]
_chemical_formula_sum '[Ca4 Sb2 Ir4]'
_cell_volume [222.5932]
_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
[
  Ca  Ca0  4  0.1741  0.6741  0.5000  1
  Sb  Sb1  2  0.0000  0.0000  0.0000  1
  Ir  Ir2  4  0.1282  0.3718  0.0000  1
]