Rb3Nb5P2O19
Leclaire A, Borel M, Chardon J, Raveau B
Journal of Solid State Chemistry 111 (1994) 26-32
A phosphoniobate with an intersecting tunnel structure related to
pyrochlore: Rb3Nb5P2O19
_cod_database_code 1001623
_database_code_amcsd 0013809
12.989 12.989 53.91199 90 90 120 R-3c
atom      x      y      z
Nb1       0      0      0
Nb2       0      0 .15913
Nb3  .16987 .14913 .05416
Nb4  .01723 .16947 .21506
Rb1   .6723      0    .25
Rb2   .6529  .0031 .32112
P1    .2187  .2165 .11778
O1    .1263  .1223 .02055
O2    .1189  .1319 .13426
O3    .0063  .1255 .17797
O4    .1744  .2056 .40892
O5    .1230 -.0095 .06028
O6    .3314  .1957 .04485
O7    .2189  .3299 .04840
O8    .1325  .1256 .21878
O9        0  .1901    .25
O10  -.1041  .2272 .20524