K3 Nb6 O26 P4
Benabbas A, Borel M, Grandin A, Leclaire A, Raveau B
Journal of Solid State Chemistry 84 (1990) 365-374
A novel niobium phosphate bronze with a tunnel structure,
K3Nb6P4O26, member n=infinity of the series
(K3Nb6P4O26)n . KNb2PO8
_cod_database_code 1001441
_database_code_amcsd 0013673
14.7484 31.582 9.3859 90 90 90 Pnma
atom     x      y     z
Nb1  .0996 .69040 .3636
Nb2  .0896 .56795 .3625
Nb3  .0996 .44548 .3684
Nb4  .2049 .69011 .0066
Nb5  .2904 .69061 .6324
Nb6  .5079 .44003 .5014
K1   .3676    .75  .248
K2   .4636    .25   .25
K3   .0963  .6240 .7248
K4   .3348  .5032 .2525
P1   .4868  .6714 .4470
P2   .0853  .3320 .4201
P3   .2190  .4200 .0779
P4   .2076  .5792 .0567
O1    .069    .75  .354
O2   -.003  .6789  .213
O3   .0057  .6869  .528
O4   .1924  .6973  .497
O5    .183  .6946  .209
O6    .098  .6253  .385
O7    .010  .5641  .208
O8   -.001  .5520  .499
O9   .1901  .5647  .526
O10  .1956  .5697  .217
O11   .114  .5020  .351
O12  .0241  .4355  .203
O13   .200  .4423  .517
O14  .2107  .4354  .229
O15   .088  .3798  .417
O16   .213    .75 -.008
O17  .0692  .6925 -.029
O18  .3388  .6873  .023
O19   .218  .6821 -.206
O20   .209  .6259  .022
O21   .299    .75  .647
O22   .397  .6854  .766
O23  .3998  .6947  .488
O24   .285  .6272  .575
O25     .5     .5    .5
O26   .371  .4409  .476
O27  .6473  .4396  .520
O28   .514  .3755  .509