data_[Er4Cd8Sn8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Cd  1.6900  1.5500  1.0900
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.4157]
_cell_length_b [24.4722]
_cell_length_c [4.4562]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Er(CdSn)2]
_chemical_formula_sum '[Er4 Cd8 Sn8]'
_cell_volume [481.5482]
_cell_formula_units_Z [4]
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  0.3492  0.7500  1
  Cd  Cd1  4  0.0000  0.0460  0.2500  1
  Cd  Cd2  4  0.0000  0.4559  0.2500  1
  Sn  Sn3  4  0.0000  0.1341  0.7500  1
  Sn  Sn4  4  0.0000  0.2501  0.2500  1
]