Grimselite Li Y, Burns P C The Canadian Mineralogist 39 (2001) 1147-1151 The crystal structure of synthetic grimselite, K3Na[(UO2)(CO3)3](H2O) _database_code_amcsd 0005731 9.302 9.302 8.260 90 90 120 P-62c atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) U 2/3 1/3 3/4 .018 .018 .018 .017 .009 0 0 K .2921 0 0 .037 .042 .037 .031 .019 .004 .008 Na 1/3 2/3 3/4 .031 .037 .037 .019 .018 0 0 O1 .9694 .4797 3/4 .029 .025 .026 .041 .017 0 0 O2 .8485 .6315 3/4 .030 .022 .028 .038 .012 0 0 O3 2/3 1/3 .9673 .031 .038 .038 .016 .019 0 0 O4 .1274 .7571 3/4 .036 .024 .025 .048 .005 0 0 Wat5 0 0 .1277 .5 .063 .057 .057 .075 .028 0 0 C .9883 .6282 3/4 .023 .016 .027 .017 .004 0 0