Fe.91Si.09 Zhang J, Guyot F Physics and Chemistry of Minerals 26 (1999) 206-211 Thermal equation of iron and Fe0.91Si0.09 Sample: P = 5.6 GPa, T = 299 K _database_code_amcsd 0008194 2.8121 2.8121 2.8121 90 90 90 Im3m atom x y z occ Fe 0 0 0 .91 Si 0 0 0 .09