Nb4 O12 U
Labeau M, Grey I, Coubert J, Chenevas J, Collomb A, Guitel J
Acta Crystallographica B41 (1985) 33-41
The structure of the a-cation deficient Perovskite U Nb4 O12
_cod_database_code 1008280
_database_code_amcsd 0016202
15.424 7.712 15.592 90 90 90 Immm
atom     x     y     z occ
U1       0     0     0 .88
U2       0    .5     0 .96
U3   .2591     0     0 .55
U4   .2576    .5     0 .46
U5    .490     0     0 .06
U6    .486    .5     0 .06
Nb1  .1257 .2521 .1352
Nb2  .3803 .2640 .1251
O1    .384     0  .098
O2    .149     0  .364
O3    .093     0  .136
O4    .369     0  .404
O5    .362  .285     0
O6       0  .227  .391
O7    .135  .185     0
O8       0  .287  .100
O9    .247  .214  .131
O10   .137  .291  .253