Fluormayenite Costa U, Ballirano P Powder Diffraction 15 (2000) 56-61 Improved powder X-ray data for the cement phase Ca12Al14O32F2 (C11A7f) Locality: synthetic _database_code_amcsd 0019955 11.96269 11.96269 11.96269 90 90 90 I-43d 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 .1102 0 .25 .689 .0066 Ca2 .0654 0 .25 .311 .0066 Al1 .23096 .23096 .23096 0 .0069 .0069 .0069 -.0011 -.0011 -.0011 Al2 .375 0 .25 0 .006 .010 .010 0 0 0 O1 .1931 .2860 .1000 0 .0167 .007 .003 -.005 .000 .006 O2 .3148 .3148 .3148 0 .011 .011 .011 .002 .002 .002 F .875 0 .25 .29 .030