Carletonite Chao G Y American Mineralogist 57 (1972) 765-778 The crystal structure of carletonite, KNa4Ca4Si8O18(CO3)4(F,OH).H2O, a double-sheet silicate _database_code_amcsd 0000287 13.178 13.178 16.695 90 90 90 P4/mbm atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Si1 .0731 .2644 .4077 .965 .00102 .00124 .00080 -.00028 -.00012 -.00022 Si2 .2162 .1189 .3077 .972 .00114 .00105 .00085 .00021 -.00004 .00011 Al2 .2162 .1189 .3077 .028 .00114 .00105 .00085 .00021 -.00004 .00011 Ca .0604 .1773 .1416 .940 .00098 .00096 .00073 -.00002 -.00002 .00000 K .5 0 .2962 .882 .00291 .00291 .00227 0 0 0 Na1 0 0 .2754 .923 .00138 .00138 .00153 0 0 0 Na2 .1399 .6399 .1424 .905 .00247 .00247 .00179 -.00256 -.00130 .00130 Na3 .2227 .2773 0 .925 .00221 .00221 .00081 -.00131 0 0 C1 .2127 .0572 0 .00153 .00171 .00116 .00038 0 0 C2 .1197 .3803 .1674 .00257 .00257 .00180 -.00015 .00017 -.00017 O1 .1475 .1807 .3722 .00322 .00298 .00183 .00032 .00028 -.00086 O2 .2718 .0308 .3559 .00246 .00207 .00156 .00002 -.00049 .00013 O3 .1517 .0783 .2357 .00158 .00170 .00138 -.00008 -.00012 -.00008 O4 .3072 .1928 .2776 .00216 .00216 .00122 -.00009 -.00060 .00060 O5 .1251 .3749 .4020 .00234 .00234 .00177 -.00063 .00002 -.00002 O6 .0509 .2358 .5 .00275 .00236 .00162 -.00069 0 0 O7 .2110 .1046 .0674 .970 .00216 .00166 .00098 .00040 .00001 -.00007 O8 .1834 .3166 .1360 .984 .00175 .00175 .00172 -.00091 .00070 -.00070 O9 .0389 .2146 0 .969 .00154 .00449 .00086 .00045 0 0 O10 .0306 .3497 .1825 .913 .00146 .00136 .00201 -.00020 .00052 -.00071 Wat11 0 0 .4157 .791 .00596 .00596 .00298 0 0 0 Wat12 .4452 .0548 0 .554 .01242 .01242 .00949 -.00953 0 0 OH13 0 0 .1179 .59 .00164 .00164 .00149 0 0 0 F13 0 0 .1179 .41 .00164 .00164 .00149 0 0 0