K Nb O5 Ti 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 1001081 _database_code_amcsd 0013373 6.447 3.797 18.431 90 90 90 Pnma atom x y z occ K1 .791 .25 .8040 Ti1 .323 .25 .0314 .75 Ti2 .764 .25 .1112 .25 Nb1 .764 .25 .1112 .75 Nb2 .323 .25 .0314 .25 O1 .088 .25 .078 O2 .668 .25 .002 O3 .464 .25 .119 O4 .828 .25 .207 O5 .234 .25 .923