data_[K2Ti4Sb2O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ti  1.5400  1.4000  0.8517
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.1182]
_cell_length_b [5.9308]
_cell_length_c [7.7706]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.5207]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KTi2SbO8]
_chemical_formula_sum '[K2 Ti4 Sb2 O16]'
_cell_volume [388.1772]
_cell_formula_units_Z [2]
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
[
  K  K0  2  0.0000  0.0000  0.5000  1
  Ti  Ti1  4  0.0646  0.5000  0.7739  1
  Sb  Sb2  2  0.0000  0.0000  0.0000  1
  O  O3  8  0.0248  0.2357  0.1930  1
  O  O4  4  0.0901  0.5000  0.5362  1
  O  O5  4  0.2345  0.0000  0.0709  1
]