data_[Er2Tm2Zn2Ir4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
  Zn  1.6500  1.3500  0.8800
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [4.1413]
_cell_length_b [5.8184]
_cell_length_c [8.1956]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [ErTmZnIr2]
_chemical_formula_sum '[Er2 Tm2 Zn2 Ir4]'
_cell_volume [197.4815]
_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
[
  Er  Er0  2  0.0000  0.5000  0.2035  1
  Tm  Tm1  2  0.0000  0.5000  0.7964  1
  Zn  Zn2  2  0.0000  0.0000  0.0003  1
  Ir  Ir3  4  0.0000  0.2290  0.4999  1
]