Calcium catapleiite Merlino S, Pasero M, Bellezza M, Pushcharovsky D Y, Gobetchia E R, Zubkova N V, Pekov I V The Canadian Mineralogist 42 (2004) 1037-1045 The crystal structure of calcium catapleiite _database_code_amcsd 0005960 7.378 12.779 10.096 90 90 90 Pbnn atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Ca1 .5 .5 0 .776 .0157 .0188 .0134 .0147 .0043 -.0046 -.0025 Ca2 .7485 .75 0 .224 .0145 .0106 .0213 .0116 0 0 .0044 Zr .7442 .25 0 .0092 .0098 .0113 .0066 0 0 .0001 Si1 .4545 .3467 .7488 .0119 .0119 .0154 .0087 .0024 .0002 -.0007 Si2 .25 .5528 .75 .0115 .0150 .0108 .0086 0 -.0018 0 O1 .4285 .4746 .7374 .0179 .0160 .0147 .0229 .0010 .0021 .0036 O2 .25 .2949 .75 .0219 .0121 .0181 .0354 0 -.0017 0 O3 .2803 .6148 .8839 .0228 .0259 .0266 .0159 -.0016 .0039 -.0106 O4 .5602 .3030 .6250 .0292 .0393 .0317 .0165 -.0107 -.0098 -.0035 O5 .5434 .3293 .8904 .0234 .0290 .0297 .0115 .0148 .0066 -.0039 O6 .7630 .5827 .9143 .0382 .0300 .0390 .0455 .0069 -.0090 -.0024 H1 .885 .555 .892 .09 H2 .768 .581 .013 .04