PbNb2O6
Labbe P, Frey M, Allais G
Acta Crystallographica B29 (1973) 2204-2210
Nouvelles donnes structurales sur la variete ferroelectrique du
metaniobate de plomb  PbNb2O6
_cod_database_code 1001032
_database_code_amcsd 0009487
17.65 17.92 3.870 90 90 90 Cm2m
atom     x     y  z occ
Nb1      0     0  0
Nb2      0 .5004  0
Nb3  .1807 .1095  0
Nb4   .318 .3935  0
Nb5  .3942 .1802  0
Nb6   .110 .3198  0
Pb1  .3278 .0282 .5
Pb2  .0062 .1970 .5  .5
Pb3  .4832 .3452 .5  .5
Pb4  .2549 .2504 .5  .5
O1       0     0 .5
O2       0    .5 .5
O3    .151  .110 .5
O4    .299  .395 .5
O5    .402  .182 .5
O6    .119  .297 .5
O7    .083  .092  0
O8    .139  .213  0
O9    .221  .001  0
O10   .279  .135  0
O11   .417  .073  0
O12   .081  .427  0
O13   .209  .334  0
O14   .331  .281  0
O15   .433  .390  0
O16     .5  .235  0
O17      0  .252  0