Neighborite
Mitchell R H, Alexander M, Cranswick L M D, Swainson I P
Physics and Chemistry of Minerals 34 (2007) 705-712
A powder neutron diffraction study of the crystal structure of the
fluoroperovskite NaMgF3 (neighborite) from 300 to 3.6 K
Locality: synthetic
Sample: T = 175 K
_database_code_amcsd 0009118
5.3416 5.4826 7.6475 90 90 90 Pbnm
atom     x     y     z
Na   .9878 .0469   .25
Mg       0    .5     0
F1   .0911 .4709   .25
F2   .7017 .2956 .0478