data_[Nb8Sb4O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nb  1.6000  1.4500  0.8200
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [17.1798]
_cell_length_b [5.0354]
_cell_length_c [5.6379]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.4558]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Nb2SbO6]
_chemical_formula_sum '[Nb8 Sb4 O24]'
_cell_volume [487.5612]
_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
[
  Nb  Nb0  8  0.1733  0.2569  0.6696  1.0
  Sb  Sb1  4  0.0000  0.1921  0.2500  1.0
  O  O2  8  0.0669  0.0807  0.5811  1.0
  O  O3  8  0.1391  0.4579  0.9274  1.0
  O  O4  8  0.2199  0.0625  0.3478  1.0
]