data_[Er6Zn18Cd4]
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
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.4655]
_cell_length_b [8.8869]
_cell_length_c [13.2144]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Er3Zn9Cd2]
_chemical_formula_sum '[Er6 Zn18 Cd4]'
_cell_volume [524.4047]
_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  0.0000  0.2875  1
  Er  Er1  2  0.0000  0.0000  0.0000  1
  Zn  Zn2  8  0.0000  0.2799  0.1428  1
  Zn  Zn3  8  0.0000  0.3620  0.3366  1
  Zn  Zn4  2  0.0000  0.5000  0.0000  1
  Cd  Cd5  4  0.0000  0.1852  0.5000  1
]