data_[Nd4Tl8Sb4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Tl  1.6200  1.9000  1.3325
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [7.3684]
_cell_length_b [7.4643]
_cell_length_c [10.4750]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [NdTl2SbO4]
_chemical_formula_sum '[Nd4 Tl8 Sb4 O16]'
_cell_volume [576.1283]
_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
[
  Nd  Nd0  4  0.0000  0.0000  0.5000  1
  Tl  Tl1  4  0.0000  0.0000  0.0000  1
  Tl  Tl2  4  0.2500  0.2500  0.7500  1
  Sb  Sb3  4  0.2500  0.2500  0.2500  1
  O  O4  8  0.0000  0.0437  0.2701  1
  O  O5  8  0.2075  0.2500  0.4746  1
]