Cs4(NbO)2(Si8O21)
Crosnier M, Guyomard D, Verbaere A, Piffard Y
European Journal of Solid State and Inorganic Chemistry 27 (1990) 435-442
Synthesis and structure of a novel polysilicate
Cs4(NbO)2(Si8O21)
_cod_database_code 1000287
_database_code_amcsd 0012530
7.016 7.840 11.066 77.16 89.95 72.02 P-1
atom     x     y      z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Cs1  .2095 .2096 .01373  .0140  .0225  .0147 -.0047  .0001  .0028
Cs2  .1750 .2818 .36388  .0162  .0230  .0164 -.0066  .0011 -.0042
Nb1  .7053 .2591 .18545  .0068  .0065  .0066 -.0027  .0010 -.0014
Si1  .6488 .2962  .5012   .008   .007   .008 -.0017  .0008 -.0026
Si2  .4339 .1404  .7125   .005   .011   .007 -.0029  .0004 -.0015
Si3  .6605 .3301  .8693   .007   .011   .008 -.0029  .0018 -.0032
Si4  .9945 .1883  .7047   .006   .008   .008 -.0009  .0004 -.0010
O1      .5    .5     .5
O2    .700  .219  .0099
O3    .862  .265  .5714
O4    .545  .153  .5832
O5    .872 .3003  .8011
O6    .194  .253  .6769
O7    .952  .030  .2415
O8    .562  .550  .8512
O9    .146  .597  .8478
O10   .533  .067  .2195
O11   .482   .75  .2020
O12   .317  .739  .6341