data_[Er8Zn2Bi4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Zn  1.6500  1.3500  0.8800
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.2663]
_cell_length_b [4.2044]
_cell_length_c [7.4668]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.2560]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Er4ZnBi2]
_chemical_formula_sum '[Er8 Zn2 Bi4]'
_cell_volume [422.1474]
_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  0.1089  0.0000  0.7524  1
  Er  Er1  4  0.1103  0.5000  0.3181  1
  Zn  Zn2  2  0.0000  0.0000  0.0000  1
  Bi  Bi3  4  0.2365  0.0000  0.2264  1
]