O4 Ru Sr2 Huang Q, Soubeyroux J, Chmaissem O, Natali Sora I, Santoro A, Cava R, Krajewski J, Peck W Journal of Solid State Chemistry 112 (1994) 355-361 Neutron powder diffraction study of the crystal structures of Sr2RuO4 and Sr2IrO4 at room temperature and at 10K _cod_database_code 1008659 _database_code_amcsd 0016547 3.8730 3.8730 12.7323 90 90 90 I4/mmm atom x y z Sr1 0 0 .3525 Ru1 0 0 0 O1 0 .5 0 O2 0 0 .1624