Lueshite
Seidel P, Hoffmann W
Zeitschrift fur Kristallographie 143 (1976) 444-459
Verfeinerung der kristallstruktur von NaNbO3
N. Bestimmung der absoluten konfiguration und des zwillingsgesetzes
Note T = 84 K
Note: this is a polymorph of lueshite
_database_code_amcsd 0010781
7.8147 7.8147 7.8147 89.17 89.17 89.17 R3c
atom    x    y    z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Na1     0    0    0  .0042  .0042  .0042 -.0003 -.0003 -.0003
Na2    .5   .5    0  .0042  .0042  .0042 -.0003 -.0003 -.0003
Nb1  .258 .258 .258  .0037  .0037  .0037  .0001  .0001  .0001
Nb2  .758 .758 .258  .0037  .0037  .0037  .0001  .0001  .0001
O1   .243 .525 .309   .004   .002   .004  -.001  -.001  -.001
O2   .243 .025 .809   .004   .002   .004  -.001  -.001  -.001
O3   .743 .525 .809   .004   .002   .004  -.001  -.001  -.001
O4   .743 .025 .309   .004   .002   .004  -.001  -.001  -.001