Pyrophanite Kidoh K, Tanaka K, Marumo F, Takei H Acta Crystallographica B40 (1984) 329-332 Electron density distribution in ilmenite-type crystals. II. Manganese (II) titanium (IV) trioxide Sample: ilmenite structure _database_code_amcsd 0009805 5.139 5.139 14.283 90 90 120 R-3 atom x y z Mn 0 0 .36002 Ti 0 0 .14758 O .3189 .0310 .24393