data_[K8Li4Nb4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Li  0.9800  1.4500  0.9000
  Nb  1.6000  1.4500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [6.1526]
_cell_length_b [8.6800]
_cell_length_c [10.8331]
_cell_angle_alpha [87.6207]
_cell_angle_beta [80.9112]
_cell_angle_gamma [89.4032]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [K2LiNbO4]
_chemical_formula_sum '[K8 Li4 Nb4 O16]'
_cell_volume [570.7767]
_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
[
  K  K0  1  0.1297  0.7398  0.5724  1
  K  K1  1  0.2454  0.0180  0.2410  1
  K  K2  1  0.3085  0.4897  0.3076  1
  K  K3  1  0.3214  0.2621  0.9086  1
  K  K4  1  0.6444  0.8070  0.1139  1
  K  K5  1  0.7446  0.4555  0.6633  1
  K  K6  1  0.8217  0.0511  0.8086  1
  K  K7  1  0.8379  0.2150  0.4107  1
  Li  Li8  1  0.4139  0.9614  0.6932  1
  Li  Li9  1  0.6032  0.7395  0.7908  1
  Li  Li10  1  0.7035  0.5323  0.9373  1
  Li  Li11  1  0.9016  0.5450  0.2101  1
  Nb  Nb12  1  0.1769  0.7068  0.9246  1
  Nb  Nb13  1  0.3069  0.2161  0.5664  1
  Nb  Nb14  1  0.6808  0.7679  0.4359  1
  Nb  Nb15  1  0.7902  0.2868  0.0769  1
  O  O16  1  0.0349  0.2830  0.1606  1
  O  O17  1  0.0997  0.6959  0.0970  1
  O  O18  1  0.1441  0.0381  0.6266  1
  O  O19  1  0.1579  0.4033  0.5908  1
  O  O20  1  0.3388  0.8874  0.8706  1
  O  O21  1  0.4051  0.2100  0.3957  1
  O  O22  1  0.4113  0.5667  0.8734  1
  O  O23  1  0.4308  0.7749  0.3589  1
  O  O24  1  0.5465  0.1878  0.6581  1
  O  O25  1  0.6022  0.7820  0.6161  1
  O  O26  1  0.6255  0.1063  0.0818  1
  O  O27  1  0.6520  0.4780  0.1217  1
  O  O28  1  0.8267  0.5791  0.3923  1
  O  O29  1  0.8660  0.9249  0.3698  1
  O  O30  1  0.8751  0.3315  0.9047  1
  O  O31  1  0.9016  0.7054  0.8593  1
]