data_[Er4Ni2Rh4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Ni  1.9100  1.3500  0.7400
  Rh  2.2800  1.3500  0.7450
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.1792]
_cell_length_b [5.5833]
_cell_length_c [8.0758]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Er2NiRh2]
_chemical_formula_sum '[Er4 Ni2 Rh4]'
_cell_volume [188.4344]
_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  4  0.0000  0.5000  0.2039  1.0
  Ni  Ni1  2  0.0000  0.0000  0.0000  1.0
  Rh  Rh2  4  0.0000  0.2430  0.5000  1.0
]