data_[La4As2Ir2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  As  2.1800  1.1500  0.6600
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.4208]
_cell_length_b [4.1360]
_cell_length_c [11.2338]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [La2AsIr]
_chemical_formula_sum '[La4 As2 Ir2]'
_cell_volume [205.4049]
_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
[
  La  La0  2  0.0000  0.0000  0.8826  1
  La  La1  2  0.5000  0.0000  0.6073  1
  As  As2  2  0.0000  0.0000  0.1660  1
  Ir  Ir3  2  0.5000  0.0000  0.3447  1
]