Co Cr4 Cs4 F18.24 Courbion G, de Pape R, Knoke G, Babel D Journal of Solid State Chemistry 49 (1983) 353-361 Structures of cesium containing fluorides, VI:The pyrochlore-related layer structures of Cs4 Co Cr4 F18 and Cs4 Cr5 F18+x _cod_database_code 1000462 _database_code_amcsd 0013512 7.203 7.203 10.761 90 90 120 P-3m1 atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Cs1 0 0 .22510 .0415 .0415 .0741 .0208 0 0 Cs2 1/3 2/3 .37383 .0690 .0690 .0256 .0345 0 0 Cr1 1/3 2/3 .71764 .0157 .0157 .0114 .0078 0 0 Cr2 .5 0 0 .667 .0104 .0075 .0167 .0037 -.0021 -.0010 Co1 .5 0 0 .333 .0104 .0075 .0167 .0037 -.0021 -.0010 F1 .20494 -.20494 .03863 .0185 .0185 .0332 .0048 .0043 -.0043 F2 .54091 -.54091 .17336 .0337 .0337 .0221 .0272 -.0009 .0009 F3 .79331 -.79331 .37813 .0466 .0466 .0303 .0329 .0005 -.0005 F4 0 0 .5 .24