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-AB1 14.6317 14.0147 16.6977 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 .5064 .6764 .2832 .58 .040 U1 .23479 .74265 .37739 .01824 .0275 .0125 .0147 .0005 .0000 -.0019 U2 .28370 .76835 .60448 .01861 .0327 .0126 .0105 .0020 -.0017 -.0018 U3 .25685 .51221 .24135 .01698 .0310 .0123 .0077 .0008 -.0012 .0001 U4 .25692 .51835 .51248 .02172 .0353 .0144 .0155 -.0006 .0005 .0009 O1 .1700 .7462 .6131 .042 .061 .021 .044 .006 -.026 -.010 O2 .1506 .4654 .2326 .037 .078 .014 .019 .016 -.016 -.009 O3 .1206 .7424 .4156 .024 .026 .022 .025 -.002 .014 .013 O4 .4025 .7837 .5983 .021 .043 .009 .010 .003 .001 .003 O5 .3715 .5586 .2508 .027 .017 .028 .034 -.013 .009 -.002 O6 .1415 .5477 .5317 .035 .034 .028 .044 .002 -.029 .018 O7 .3449 .7419 .3368 .024 .025 .025 .023 .000 -.010 -.013 O8 .3670 .4875 .4898 .049 .102 .030 .013 .000 .004 .002 O9 .2491 .9237 .6195 .033 .069 .024 .006 -.001 .002 .005 OH10 .2085 .3638 .4705 .023 .034 .011 .023 .001 .000 -.005 OH11 .2903 .6729 .4909 .042 .092 .016 .018 -.005 -.005 .004 OH12 .2147 .5635 .3747 .021 .043 .009 .011 -.001 -.001 .001 OH13 .3121 .6030 .6412 .020 .039 .008 .012 -.003 .000 .001 OH14 .1893 .6840 .2449 .018 .017 .018 .019 -.004 -.002 .006 OH15 .1907 .8840 .3156 .022 Wat16A 0 .755 .25 .26 .040 Wat16B 0 .662 .25 .74 .040 Wat17 .5008 .4049 .1450 .75 .040 Wat18 -.0183 .6485 .5637 .87 .040 Wat19 .0264 .5449 .3768 .89 .040 Wat20 .4983 .6369 .4152 .61 .040 Wat22 .5 .817 .25 .66 .040