TlNb3.09O8.22 Gasperin M Acta Crystallographica B33 (1977) 2306-2308 Un niobate de thallium de type 'bronze hexagonal' excedentaire en cations _cod_database_code 1001010 _database_code_amcsd 0009597 7.551 13.005 7.734 90 90 90 C222_1 atom x y z occ Tl1 .0666 .0054 .2625 .16 Tl2 .0280 -.0257 .2599 .24 Tl3 .0303 .0340 .2233 .1 Nb1 .5034 0 0 Nb2 .2497 .2481 .0009 Nb3 0 .3428 .25 .09 O1 0 .5315 .25 .406 O2 .7936 .2200 .2518 .908 O3 .4976 .2845 .0526 O4 .1802 .3952 .0341 O5 .1888 .3951 .4545