KNbUO6 Gasperin M Journal of Solid State Chemistry 67 (1987) 219-224 Synthese et structure de trois niobouranates d'ions monovalents: TlNb2U2O11.5, KNbUO6, et RbNbUO6 _cod_database_code 1001356 _database_code_amcsd 0013598 7.579 11.321 15.259 90 90 90 Pcab atom x y z occ U1 .1248 .0228 .2593 Nb1 .3857 .7499 .1453 K1 .3651 .2494 .0912 .64 K2 .3625 .0742 .0200 .36 O1 .6287 .0564 .1422 O2 .1240 .1047 .1614 O3 .1228 .7068 .1630 O4 .3370 .9032 .2020 O5 .9148 .8977 .2074 O6 .3645 .7421 .0340