Cryolite Zhou Q, Kennedy B J Journal of Solid State Chemistry 177 (2004) 654-659 High-temperature powder synchrotron diffraction studies of synthetic cryolite Na3AlF6 Locality: synthetic Sample: T = room temperature Note: reported and calculated bond lengths disagree _database_code_amcsd 0014038 5.3956 5.5821 7.7568 90 90.181 90 P2_1/n atom x y z Biso Na1 0 0 .5 .8 Na2 .5140 .9492 .2480 1.5 Al 0 0 0 1.2 F1 .1043 .0471 .2197 .7 F2 .7265 .1773 .0488 1.1 F3 .1645 .2746 .9368 .9