Hematite Maslen E N, Streltsov V A, Streltsova N R, Ishizawa N Acta Crystallographica B50 (1994) 435-441 Synchrotron X-ray study of the electron density in alpha-Fe2O3 Locality: synthetic Note: crystal 1 Note: conventional refinement _database_code_amcsd 0017806 5.0355 5.0355 13.7471 90 90 120 R-3c atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Fe 0 0 .35522 .00368 0 .00366 0 0 0 O .69395 0 .25 .00411 .00465 .00434 0 .00052 0