data_[Er4Tl4B8O24]
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
  B  2.0400  0.8500  0.4100
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [7.7850]
_cell_length_b [10.1044]
_cell_length_c [6.5428]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.9154]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [ErTl(BO3)2]
_chemical_formula_sum '[Er4 Tl4 B8 O24]'
_cell_volume [494.9442]
_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  0.4211  0.7500  1.0
  Tl  Tl1  4  0.0000  0.0894  0.2500  1.0
  B  B2  8  0.2448  0.3380  0.2475  1.0
  O  O3  8  0.1079  0.4031  0.1044  1.0
  O  O4  8  0.1245  0.0864  0.6158  1.0
  O  O5  8  0.2440  0.2990  0.7426  1.0
]