data_[K10Na6Ta4Nb12O48]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  Ta  1.5000  1.4500  0.8200
  Nb  1.6000  1.4500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [8.0582]
_cell_length_b [11.3979]
_cell_length_c [11.3985]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [K5Na3Ta2Nb6O24]
_chemical_formula_sum '[K10 Na6 Ta4 Nb12 O48]'
_cell_volume [1046.9019]
_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  4  0.0000  0.2499  0.5000  1
  K  K1  2  0.0000  0.0000  0.2501  1
  K  K2  2  0.0000  0.0000  0.7499  1
  K  K3  2  0.5000  0.0000  0.7499  1
  Na  Na4  4  0.5000  0.2500  0.5000  1
  Na  Na5  2  0.5000  0.0000  0.2500  1
  Ta  Ta6  4  0.2507  0.0000  0.0002  1
  Nb  Nb7  8  0.2507  0.2498  0.2500  1
  Nb  Nb8  4  0.2507  0.0000  0.4998  1
  O  O9  8  0.2509  0.1254  0.6247  1
  O  O10  8  0.2510  0.1248  0.8760  1
  O  O11  8  0.2516  0.1250  0.3749  1
  O  O12  8  0.2516  0.1244  0.1245  1
  O  O13  4  0.0000  0.2499  0.2500  1
  O  O14  4  0.5000  0.2492  0.2500  1
  O  O15  2  0.0000  0.0000  0.0001  1
  O  O16  2  0.0000  0.0000  0.4999  1
  O  O17  2  0.5000  0.0000  0.0008  1
  O  O18  2  0.5000  0.0000  0.4992  1
]