Ti2O Wyckoff R W G Crystal Structures 1 (1963) 85-237 Second edition. Interscience Publishers, New York, New York _database_code_amcsd 0011654 4.991 4.991 2.879 90 90 120 P6/mmm atom x y z occ Ti1 0 0 0 Ti2 1/3 2/3 .5 O .5 0 0 .5