Kaolinite Bish D L Clays and Clay Minerals 41 (1993) 738-744 Rietveld refinement of the kaolinite structure at 1.5 K Note: sample at T = 1.5 K Locality: Keokuk, Iowa, USA _database_code_amcsd 0012237 5.1535 8.9419 7.3906 91.926 105.046 89.797 C1 atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Al1 .289 .4966 .466 .040 Al2 .793 .3288 .465 .040 Si1 .989 .3395 .0906 .042 Si2 .507 .1665 .0938 .042 O1 .049 .3482 .3168 .044 O2 .113 .6599 .3188 .044 O3 0 .5 0 .044 O4 .204 .2291 .030 .044 O5 .197 .7641 .001 .044 Oh1 .050 .9710 .325 .039 Oh2 .960 .1658 .607 .039 Oh3 .037 .4726 .6046 .039 Oh4 .038 .8582 .609 .039 H1 .145 .0651 .326 .073 .033 .050 .11 .019 .033 .006 H2 .063 .1638 .739 .047 .084 .051 -.008 -.011 -.010 -.014 H3 .036 .5057 .732 .056 .066 .080 .028 .025 .016 .003 H4 .534 .3154 .728 .049 .067 .093 -.024 .000 -.006 .025