data_[K2Nb4Cd4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Nb  1.6000  1.4500  0.8200
  Cd  1.6900  1.5500  1.0900
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [3.8916]
_cell_length_b [17.8677]
_cell_length_c [5.6743]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [KNb2Cd2O7]
_chemical_formula_sum '[K2 Nb4 Cd4 O14]'
_cell_volume [394.5535]
_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  0.0952  1.0
  Nb  Nb1  4  0.0000  0.3958  0.0709  1.0
  Cd  Cd2  4  0.0000  0.2733  0.5557  1.0
  O  O3  4  0.0000  0.1072  0.4987  1.0
  O  O4  4  0.0000  0.2858  0.9567  1.0
  O  O5  4  0.0000  0.3953  0.3947  1.0
  O  O6  2  0.0000  0.5000  0.9513  1.0
]