data_[As4Ir4Se4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  As  2.1800  1.1500  0.6600
  Ir  2.2000  1.3500  0.7650
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Pca2_1]
_cell_length_a [6.0180]
_cell_length_b [6.0323]
_cell_length_c [6.0101]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [29]
_chemical_formula_structural [AsIrSe]
_chemical_formula_sum '[As4 Ir4 Se4]'
_cell_volume [218.1800]
_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
[
  As  As0  4  0.1211  0.6263  0.8806  1.0
  Ir  Ir1  4  0.0052  0.7443  0.5039  1.0
  Se  Se2  4  0.1165  0.1349  0.6176  1.0
]