data_[Er20Tl8Co4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Tl  1.6200  1.9000  1.3325
  Co  1.8800  1.3500  0.7683
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [5.1281]
_cell_length_b [16.7084]
_cell_length_c [12.3375]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Er5Tl2Co]
_chemical_formula_sum '[Er20 Tl8 Co4]'
_cell_volume [1057.1065]
_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  8  0.0000  0.0818  0.1058  1
  Er  Er1  8  0.0000  0.2951  0.0841  1
  Er  Er2  4  0.0000  0.2899  0.7500  1
  Tl  Tl3  8  0.0000  0.1049  0.6334  1
  Co  Co4  4  0.0000  0.1919  0.2500  1
]