data_[K20Na12Ta24Nb8O80]
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 [P1]
_cell_length_a [11.4319]
_cell_length_b [11.4707]
_cell_length_c [17.7273]
_cell_angle_alpha [108.5933]
_cell_angle_beta [108.6130]
_cell_angle_gamma [90.1401]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [K5Na3Ta6Nb2O20]
_chemical_formula_sum '[K20 Na12 Ta24 Nb8 O80]'
_cell_volume [2073.9431]
_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  0.0623  0.3095  0.1206  1
  K  K1  1  0.0633  0.8108  0.1212  1
  K  K2  1  0.1860  0.9555  0.8771  1
  K  K3  1  0.1921  0.4382  0.3807  1
  K  K4  1  0.1962  0.4542  0.8791  1
  K  K5  1  0.3110  0.0624  0.1200  1
  K  K6  1  0.3125  0.5641  0.1208  1
  K  K7  1  0.4402  0.6926  0.3814  1
  K  K8  1  0.4476  0.1859  0.8901  1
  K  K9  1  0.5630  0.8116  0.1212  1
  K  K10  1  0.5630  0.3136  0.1224  1
  K  K11  1  0.6864  0.9505  0.8776  1
  K  K12  1  0.6892  0.9411  0.3812  1
  K  K13  1  0.6908  0.4410  0.3787  1
  K  K14  1  0.8109  0.0524  0.6254  1
  K  K15  1  0.8129  0.0577  0.1206  1
  K  K16  1  0.8134  0.5598  0.1220  1
  K  K17  1  0.9380  0.1802  0.8752  1
  K  K18  1  0.9401  0.6870  0.3798  1
  K  K19  1  0.9412  0.1882  0.3801  1
  Na  Na20  1  0.0530  0.3129  0.6072  1
  Na  Na21  1  0.0534  0.8215  0.6134  1
  Na  Na22  1  0.1919  0.9506  0.3841  1
  Na  Na23  1  0.3002  0.0353  0.6032  1
  Na  Na24  1  0.3083  0.5328  0.6061  1
  Na  Na25  1  0.4400  0.1845  0.3843  1
  Na  Na26  1  0.4540  0.6890  0.8954  1
  Na  Na27  1  0.5529  0.8168  0.6136  1
  Na  Na28  1  0.5588  0.3206  0.6050  1
  Na  Na29  1  0.7015  0.4614  0.8957  1
  Na  Na30  1  0.8044  0.5358  0.6037  1
  Na  Na31  1  0.9531  0.6878  0.8969  1
  Ta  Ta32  1  0.0002  0.0016  0.5025  1
  Ta  Ta33  1  0.0008  0.4998  0.9981  1
  Ta  Ta34  1  0.0029  0.5017  0.5048  1
  Ta  Ta35  1  0.1317  0.6346  0.2514  1
  Ta  Ta36  1  0.1361  0.1278  0.2513  1
  Ta  Ta37  1  0.2490  0.7509  0.5033  1
  Ta  Ta38  1  0.2507  0.2538  0.9989  1
  Ta  Ta39  1  0.2519  0.7530  0.9990  1
  Ta  Ta40  1  0.2521  0.2486  0.5036  1
  Ta  Ta41  1  0.3724  0.8764  0.2531  1
  Ta  Ta42  1  0.3750  0.3701  0.2513  1
  Ta  Ta43  1  0.4992  0.9987  0.9975  1
  Ta  Ta44  1  0.5004  0.0022  0.5053  1
  Ta  Ta45  1  0.5011  0.5020  0.5026  1
  Ta  Ta46  1  0.5019  0.4994  0.9981  1
  Ta  Ta47  1  0.6204  0.1356  0.2502  1
  Ta  Ta48  1  0.6217  0.6410  0.2516  1
  Ta  Ta49  1  0.7479  0.2496  0.5012  1
  Ta  Ta50  1  0.7506  0.7504  0.9971  1
  Ta  Ta51  1  0.7511  0.2501  0.9974  1
  Ta  Ta52  1  0.7517  0.7504  0.5052  1
  Ta  Ta53  1  0.8814  0.8639  0.2511  1
  Ta  Ta54  1  0.8821  0.3587  0.2509  1
  Ta  Ta55  1  0.9997  0.9975  0.9963  1
  Nb  Nb56  1  0.1573  0.1684  0.7466  1
  Nb  Nb57  1  0.1583  0.6684  0.7481  1
  Nb  Nb58  1  0.3640  0.8194  0.7471  1
  Nb  Nb59  1  0.4035  0.3231  0.7481  1
  Nb  Nb60  1  0.6045  0.1847  0.7495  1
  Nb  Nb61  1  0.6576  0.6643  0.7476  1
  Nb  Nb62  1  0.8634  0.8143  0.7487  1
  Nb  Nb63  1  0.8837  0.3569  0.7482  1
  O  O64  1  0.0082  0.2488  0.2524  1
  O  O65  1  0.0124  0.7592  0.2550  1
  O  O66  1  0.0372  0.7877  0.7391  1
  O  O67  1  0.0383  0.2966  0.7388  1
  O  O68  1  0.0644  0.5584  0.1281  1
  O  O69  1  0.0666  0.0562  0.1272  1
  O  O70  1  0.0680  0.0608  0.6298  1
  O  O71  1  0.0727  0.5498  0.6330  1
  O  O72  1  0.1237  0.8752  0.4983  1
  O  O73  1  0.1243  0.1270  0.9979  1
  O  O74  1  0.1244  0.3762  0.9963  1
  O  O75  1  0.1246  0.8726  0.9941  1
  O  O76  1  0.1274  0.6292  0.9998  1
  O  O77  1  0.1277  0.3739  0.5024  1
  O  O78  1  0.1290  0.6279  0.5083  1
  O  O79  1  0.1299  0.1267  0.5066  1
  O  O80  1  0.1902  0.6779  0.3765  1
  O  O81  1  0.1903  0.6864  0.8668  1
  O  O82  1  0.1911  0.1755  0.3760  1
  O  O83  1  0.1922  0.1950  0.8680  1
  O  O84  1  0.2545  0.7523  0.2526  1
  O  O85  1  0.2585  0.2473  0.2541  1
  O  O86  1  0.3012  0.8326  0.6338  1
  O  O87  1  0.3139  0.3230  0.1277  1
  O  O88  1  0.3158  0.8234  0.1270  1
  O  O89  1  0.3171  0.3226  0.6324  1
  O  O90  1  0.3234  0.1586  0.7384  1
  O  O91  1  0.3337  0.6483  0.7477  1
  O  O92  1  0.3720  0.8762  0.5017  1
  O  O93  1  0.3757  0.1262  0.0012  1
  O  O94  1  0.3768  0.8723  0.9953  1
  O  O95  1  0.3771  0.3764  0.9990  1
  O  O96  1  0.3777  0.3746  0.5020  1
  O  O97  1  0.3782  0.1279  0.5073  1
  O  O98  1  0.3792  0.6266  0.9974  1
  O  O99  1  0.3813  0.6319  0.5139  1
  O  O100  1  0.4281  0.9358  0.8658  1
  O  O101  1  0.4347  0.4503  0.3754  1
  O  O102  1  0.4363  0.9494  0.3768  1
  O  O103  1  0.4377  0.4291  0.8672  1
  O  O104  1  0.4981  0.7529  0.2515  1
  O  O105  1  0.4986  0.2506  0.2525  1
  O  O106  1  0.5335  0.7843  0.7391  1
  O  O107  1  0.5517  0.0568  0.6352  1
  O  O108  1  0.5634  0.0558  0.1266  1
  O  O109  1  0.5664  0.5611  0.1265  1
  O  O110  1  0.5744  0.5507  0.6309  1
  O  O111  1  0.5797  0.3576  0.7488  1
  O  O112  1  0.6196  0.3712  0.4943  1
  O  O113  1  0.6227  0.8753  0.5033  1
  O  O114  1  0.6230  0.8710  0.9934  1
  O  O115  1  0.6254  0.1304  0.5085  1
  O  O116  1  0.6256  0.6233  0.9940  1
  O  O117  1  0.6264  0.1254  0.0017  1
  O  O118  1  0.6286  0.3771  0.9980  1
  O  O119  1  0.6291  0.6253  0.5058  1
  O  O120  1  0.6735  0.1824  0.8676  1
  O  O121  1  0.6865  0.1767  0.3735  1
  O  O122  1  0.6884  0.6812  0.3749  1
  O  O123  1  0.6903  0.6837  0.8667  1
  O  O124  1  0.7505  0.2504  0.2509  1
  O  O125  1  0.7515  0.7531  0.2505  1
  O  O126  1  0.7740  0.2318  0.7496  1
  O  O127  1  0.8041  0.3332  0.6270  1
  O  O128  1  0.8050  0.8172  0.6314  1
  O  O129  1  0.8159  0.8172  0.1259  1
  O  O130  1  0.8179  0.3177  0.1273  1
  O  O131  1  0.8329  0.6420  0.7489  1
  O  O132  1  0.8725  0.3735  0.9930  1
  O  O133  1  0.8746  0.1252  0.9983  1
  O  O134  1  0.8755  0.6253  0.9979  1
  O  O135  1  0.8760  0.3761  0.5016  1
  O  O136  1  0.8771  0.8750  0.5034  1
  O  O137  1  0.8774  0.8719  0.9958  1
  O  O138  1  0.8781  0.1304  0.5077  1
  O  O139  1  0.8811  0.6279  0.5100  1
  O  O140  1  0.9304  0.9332  0.8673  1
  O  O141  1  0.9375  0.9460  0.3743  1
  O  O142  1  0.9391  0.4497  0.8708  1
  O  O143  1  0.9400  0.4418  0.3754  1
]