Tl[(UO2)(PO4)](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: TlUP
7.019 7.019 17.98 90 90 90 *P4/ncc
.25 -.25 0
atom    x     y     z  occ Uiso
U     .25   .25 .0483      .014
P     .75   .25     0      .015
O1    .25   .25 .1490      .024
O2    .25   .25 .9483      .024
O3  .7279 .0740 .4491      .022
O4  .1699 .9858 .3158 .755 .054
Tl4 .1699 .9858 .3158 .245 .054