Ba0.45 Na1.7 O13 Ti5.85 Hervieu M, Germain P, Desgardin G, Raveau B Materials Research Bulletin 14 (1979) 267-272 Non-stoichiometric titanates (A2-2x)(Ba3x)(Ti6-x)O13 with a tunnel structure _cod_database_code 1001285 _database_code_amcsd 0014270 15.183 3.783 9.143 90 98.7 90 C2/m atom x y z occ Na1 .453 .058 .242 .015 Ba1 .453 .058 .242 .008 Na2 .558 0 .483 .82 Ba2 .558 0 .483 .21 Ti1 .119 0 .097 .975 Ti2 .17 0 .439 .975 Ti3 .228 0 .771 .975 O1 0 0 0 O2 .238 0 .251 O3 .076 0 .266 O4 .292 0 .571 O5 .13 0 .604 O6 .361 0 .898 O7 .17 0 .919