Nb1.1 O5 Ti0.9 Tl0.9 Rebbah A, Desgardin G, Raveau B Journal of Solid State Chemistry 31 (1980) 321-328 Nonstoichiometric oxides with a layer structure: The compounds A1-x(Ti1-xM1+x)O5 _cod_database_code 1001086 _database_code_amcsd 0013378 6.457 3.799 18.919 90 90 90 Pnma atom x y z occ Tl1 .783 .25 .8017 .9 Ti1 .325 .25 .0333 .68 Nb1 .325 .25 .0333 .32 Ti2 .751 .25 .1081 .22 Nb2 .751 .25 .1081 .78 O1 .075 .25 .069 O2 .662 .25 .005 O3 .461 .25 .119 O4 .821 .25 .202 O5 .245 .25 .922