Nb1.15 O5 Rb0.85 Ti0.85 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 1001084 _database_code_amcsd 0013376 6.499 3.812 19.36 90 90 90 Pnma atom x y z occ Rb1 .778 .25 .8015 .85 Ti1 .307 .25 .0292 .51 Nb1 .307 .25 .0292 .49 Ti2 .766 .25 .1063 .34 Nb2 .766 .25 .1063 .66 O1 .064 .25 .073 O2 .650 .25 -.002 O3 .472 .25 .116 O4 .795 .25 .201 O5 .223 .25 .922