data_[Tm4Co2Si8Ir2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Co  1.8800  1.3500  0.7683
  Si  1.9000  1.1000  0.5400
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [3.9936]
_cell_length_b [4.0067]
_cell_length_c [16.7110]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Tm2CoSi4Ir]
_chemical_formula_sum '[Tm4 Co2 Si8 Ir2]'
_cell_volume [267.3979]
_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
[
  Tm  Tm0  2  0.0000  0.0000  0.6033  1
  Tm  Tm1  2  0.5000  0.0000  0.3924  1
  Co  Co2  2  0.0000  0.0000  0.8240  1
  Si  Si3  2  0.0000  0.0000  0.2575  1
  Si  Si4  2  0.0000  0.0000  0.9557  1
  Si  Si5  2  0.5000  0.0000  0.0346  1
  Si  Si6  2  0.5000  0.0000  0.7573  1
  Ir  Ir7  2  0.5000  0.0000  0.1752  1
]