data_[Tb2Nd1Sb1O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Nd  1.1400  1.8500  1.2765
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [4.1560]
_cell_length_b [7.4121]
_cell_length_c [5.2665]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.9583]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Tb2NdSbO8]
_chemical_formula_sum '[Tb2 Nd1 Sb1 O8]'
_cell_volume [161.8430]
_cell_formula_units_Z [1]
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
[
  Tb  Tb0  2  0.5000  0.2438  0.5000  1
  Nd  Nd1  1  0.0000  0.5000  0.0000  1
  Sb  Sb2  1  0.0000  0.0000  0.0000  1
  O  O3  4  0.0486  0.2122  0.7548  1
  O  O4  2  0.4245  0.0000  0.2092  1
  O  O5  2  0.4948  0.5000  0.2563  1
]