Metaschoepite Klingensmith A L, Deely K M, Kinman W S, Kelly V, Burns P C American Mineralogist 92 (2007) 662-669 Neptunium incorporation in sodium-substituted metaschoepite Locality: synthetic Sample: Na-Ms-CRY 14.7050 14.0565 16.7051 90 90 90 Pbcn atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Na21 .5025 .6593 .2756 .545 .040 U1 .23566 .739966 .382441 .01284 .02174 .00874 .00805 -.00061 -.00010 .00018 U2 .27743 .764029 .610028 .01368 .02134 .00830 .01139 .00077 -.00230 -.00190 U3 .25494 .515225 .242744 .01410 .02619 .00854 .00757 -.00025 -.00077 -.00003 U4 .25380 .517051 .515841 .01329 .02316 .00811 .00860 .00063 .00093 .00093 O1 .1613 .7403 .6273 .0321 .034 .022 .040 .000 .001 -.009 O2 .1407 .4769 .2292 .0305 .033 .039 .019 -.005 .001 -.005 O3 .1205 .7514 .4139 .0245 .019 .019 .036 .000 .003 .000 O4 .3964 .7804 .6015 .0183 .026 .018 .010 -.002 .000 -.004 O5 .3692 .5517 .2597 .0253 .030 .022 .024 .003 .000 -.004 O6 .1372 .5388 .5383 .0206 .020 .024 .018 .001 .006 .001 O7 .3487 .7302 .3468 .0255 .024 .026 .027 -.007 .002 -.011 O8 .3694 .4935 .4890 .0292 .030 .029 .028 .003 .006 .009 O9 .2419 .9185 .6219 .0217 .046 .012 .007 .006 -.003 .0004 OH10 .2113 .3613 .4716 .0172 .034 .008 .009 .001 -.001 -.0002 O11 .2737 .6741 .4984 .0245 .049 .017 .008 -.004 -.011 -.001 OH12 .2116 .5622 .3781 .0151 .030 .009 .006 .003 -.003 -.0011 OH13 .3086 .6001 .6456 .0152 .030 .009 .007 .000 .000 -.0002 OH14 .1936 .6859 .2487 .0153 .030 .011 .005 -.001 .000 .000 OH15 .2137 .8797 .3136 .0137 Wat16A 0 .723 .25 .39 .040 Wat16B 0 .681 .25 .46 .040 Wat17 .4924 .4026 .1551 .785 .040 Wat18 -.0195 .6642 .5530 .967 .040 Wat19 .0272 .5486 .3775 .926 .040 Wat20 .5067 .6224 .4010 .674 .040 Wat22 .5 .8186 .25 .774 .040