data_[Y2Tm2Si4Ir8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Tm  1.2500  1.7500  1.0950
  Si  1.9000  1.1000  0.5400
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [7.0181]
_cell_length_b [3.8052]
_cell_length_c [10.0696]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [YTm(SiIr2)2]
_chemical_formula_sum '[Y2 Tm2 Si4 Ir8]'
_cell_volume [268.9103]
_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
[
  Y  Y0  2  0.5000  0.0000  0.5575  1
  Tm  Tm1  2  0.0000  0.0000  0.4429  1
  Si  Si2  2  0.0000  0.0000  0.7233  1
  Si  Si3  2  0.5000  0.0000  0.2771  1
  Ir  Ir4  4  0.1999  0.0000  0.1444  1
  Ir  Ir5  4  0.2974  0.0000  0.8552  1
]