Rb[(UO2)(AsO4)](H2O)3
Locock A J, Burns P C, Duke M J M, Flynn T M
The Canadian Mineralogist 42 (2004) 973-996
Monovalent cations in structures of the meta-autunite group
Sample: RbUAs
7.1904 7.1904 17.643 90 90 90 *P4/n
.25 -.25 0
atom    x     y      z occ Uiso
U1    .25   .25  .0543     .012
U2    .25   .25  .5513     .012
As1   .25   .75      0     .013
As2   .25   .75     .5     .014
O1    .25   .25  .4504     .024
O2    .25   .25 -.0449     .028
O3    .25   .25  .6520     .022
O4    .25   .25  .1560     .020
O5  .2209 .9336  .0577     .020
O6  .2236 .9353  .5567     .024
O7  .5217 .3446  .3003  .5 .044
Rb7 .5217 .3446  .3003  .5 .044
O8  .1801 .5211 -.1910     .055