data_[Be1Fe1Ir2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Be  1.5700  1.0500  0.5900
  Fe  1.8300  1.4000  0.8525
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [2.8658]
_cell_length_b [2.8658]
_cell_length_c [5.9538]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [BeFeIr2]
_chemical_formula_sum '[Be1 Fe1 Ir2]'
_cell_volume [48.8966]
_cell_formula_units_Z [1]
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
[
  Be  Be0  1  0.5000  0.5000  0.0000  1.0
  Fe  Fe1  1  0.5000  0.5000  0.5000  1.0
  Ir  Ir2  2  0.0000  0.0000  0.2297  1.0
]