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 = 600 C, disordered model
_database_code_amcsd 0014040
7.935 7.935 7.935 90 90 90 Fm3m
atom     x     y     z occ Biso
Na1      0     0     0      3.7
Na2    .25   .25   .25      6.3
Al      .5    .5    .5      2.0
F    .0468 .0468 .2828 .25  2.5