Cassiterite Bolzan A A, Fong C, Kennedy B J, Howard C J Acta Crystallographica B53 (1997) 373-380 Structural studies of rutile-type metal dioxides Locality: synthetic _database_code_amcsd 0019242 4.7374 4.7374 3.1864 90 90 90 P4_2/mnm atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Sn 0 0 0 .0044 .0044 .0031 .0004 0 0 O .30562 .30562 0 .0066 .000 .0055 .0016 0 0