Foordite
Ercit T S, Cerny P
The Canadian Mineralogist 26 (1988) 899-903
The crystal structure of foordite
_database_code_amcsd 0005219
17.093 4.877 5.558 90 90.85 90 C2/c
atom      x       y     z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Sn        0 .24046    .25  .0197  .0235  .0251      0  .0013      0
Nb   .33007 .25807 .32770  .0130  .0144  .0150  .0001 -.0008 -.0001
O1    .4269  .4201  .4013  .0138  .0197  .0250 -.0022 -.0020  .0005
O2    .3574  .0419  .0692  .0171  .0197  .0212  .0013  .0003 -.0022
O3    .2192  .0632  .3527  .0152  .0160  .0168 -.0012  .0001 -.0019