Parsonsite
Locock A J, Burns P C, Flynn T M
American Mineralogist 90 (2005) 240-246
The role of water in the structures of synthetic hallimondite, Pb2[(UO2)(AsO4)2](H2O)n
and synthetic parsonsite, Pb2[(UO2)(PO4)2](H2O)n, 0 < n < 0.5
6.8432 10.4105 6.6718 101.418 98.347 86.264 P-1
atom     x     y     z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
U1   .6163 .8401 .1140 .012   .016   .008   .011   .000   .003   .002
Pb1  .3010 .5450 .2703 .017   .018   .019   .014  -.001   .003   .003
Pb2  .0457 .7735 .7226 .017   .019   .011   .020   .000   .004   .000
P1   .5348 .8178 .6329 .011   .014   .008   .010   .001   .002   .001
P2   .8156 .5490 .2778 .011   .012   .009   .012   .001   .001   .002
O1   .9827 .6338 .4061 .016   .019   .013   .016  -.001   .002  -.001
O2   .3352 .4808 .5929 .018   .018   .020   .017  -.002   .003   .008
O3   .3673 .7895 .0765 .020   .019   .020   .022   .001   .002   .006
O4   .6695 .7313 .7665 .016   .024   .011   .013   .007   .004   .005
O5   .7018 .6219 .1158 .017   .026   .012   .013   .005   .001   .005
O6   .3402 .7547 .5399 .017   .015   .015   .021  -.003   .002   .002
O7   .5007 .0597 .1997 .017   .028   .009   .015   .005   .008   .004
O8   .8608 .8934 .1421 .022   .018   .026   .023  -.004   .001   .005
O9   .6434 .8524 .4693 .017   .025   .015   .012  -.004   .004   .004
O10  .9147 .4231 .1644 .017   .017   .014   .021   .004   .004   .007