Lueshite
Johnston K E, Tang C C, Parker J E, Knight K S, Lightfoot P, Ashbrook S E
Journal of the American Chemical Society 132 (2010) 8732-8746
The polar phase of NaNbO3: a combined study by powder diffraction,
solid-state NMR and first-principles calculations
Note: this is a polymorph of lueshite
Locality: synthetic
_database_code_amcsd 0018685
5.571 7.766 5.513 90 90 90 P2_1ma
atom      x     y     z  Uiso
Nb    .2625   .25 .2466 .0020
Na    .2596     0 .7481 .0050
Na    .2915    .5 .7327 .0224
O1    .2409     0 .3124 .0053
O2    .2257    .5 .1928 .0037
O3    .0131 .2790 .5272 .0184
O4   -.0490 .2197 .0360 .0061