Neighborite
Chen J, Liu H, Martin C D, Parise J B, Weidner D J
American Mineralogist 90 (2005) 1534-1539
Crystal chemistry of NaMgF3 perovskite and high pressure and temperature
Sample: P = 4 GPa, T = 200 C
_database_code_amcsd 0003925
5.3047 5.4282 7.5864 90 90 90 Pbnm
atom     x     y     z Uiso
Na   .9856 .0455   .25 .036
Mg       0    .5     0 .014
F1   .0870 .4669   .25 .018
F2   .6951 .2956 .0481 .033