Fluormayenite Yu Q, Sugita S, Feng X, Mi J Cement and Concrete Research 27 (1997) 1439-1449 On the preparation of single crystals of 11CaO*7Al2O3*CaF2 and the confirmation of its crystal structure Locality: synthetic _database_code_amcsd 0019956 11.981 11.981 11.981 90 90 90 I-43d atom x y z occ Uiso Ca .1104 0 .25 .0086 Al1 .3750 0 .25 .09 Al2 .2324 .2324 .2324 .04 O1 .0661 .0661 .0661 .019 O2 .1955 .2852 .1004 .014 F .1500 .125 .5 1/12 .024