data_[Sr6Sn8Ir4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Sn  1.9600  1.4500  0.8300
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.9097]
_cell_length_b [4.7937]
_cell_length_c [9.0215]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.1623]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sr3(Sn2Ir)2]
_chemical_formula_sum '[Sr6 Sn8 Ir4]'
_cell_volume [499.4001]
_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  0.1123  0.5000  0.6923  1.0
  Sr  Sr1  2  0.0000  0.0000  0.0000  1.0
  Sn  Sn2  4  0.1079  0.0000  0.4024  1.0
  Sn  Sn3  4  0.2157  0.5000  0.0877  1.0
  Ir  Ir4  4  0.1968  0.5000  0.3744  1.0
]