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-Np _database_code_amcsd 0004317 14.6401 14.0417 16.7044 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 .5011 .6628 .2840 .61 .040 U1 .23574 .74017 .38168 .01470 .0240 .0097 .0104 -.0011 .0006 .0000 U2 .27735 .76422 .60929 .01475 .0239 .0086 .0117 .0005 -.0023 -.0017 U3 .25531 .51527 .24250 .01534 .0282 .0087 .0092 -.0003 -.0008 -.0006 U4 .25387 .51696 .51512 .01435 .0250 .0083 .0097 .0004 .0005 .0010 O1 .1684 .7423 .6263 .030 .045 .001 .043 .010 .005 -.001 O2 .1449 .4774 .2305 .032 .040 .046 .009 .005 .007 -.012 O3 .1203 .7522 .4109 .029 .023 .029 .034 .013 -.013 .003 O4 .3960 .7779 .6012 .029 .033 .032 .021 .004 -.011 -.003 O5 .3693 .5483 .2620 .024 .017 .027 .027 .000 -.012 -.017 O6 .1368 .5341 .5368 .021 .012 .026 .026 .003 -.010 .009 O7 .3473 .7327 .3479 .019 .006 .026 .024 -.001 -.003 -.009 O8 .3666 .4960 .4876 .028 .037 .024 .022 .001 -.003 .007 O9 .2417 .9217 .6212 .0124 OH10 .2137 .3604 .4705 .013 O11 .2730 .6734 .4989 .018 OH12 .2141 .5627 .3763 .016 OH13 .3057 .6004 .6460 .013 OH14 .1921 .6845 .2491 .017 OH15 .2108 .8792 .3133 .015 Wat16A 0 .738 .25 .33 .040 Wat16B 0 .683 .25 .60 .040 Wat17 .4953 .4039 .1489 .98 .040 Wat18 -.0163 .6641 .5496 .040 Wat19 .0233 .5480 .3758 .98 .040 Wat20 .5061 .6206 .4020 .70 .040 Wat22 .5 .8198 .25 .84 .040