Wustite Wyckoff R W G, Crittenden E D Journal of the American Chemical Society 47 (1925) 2876-2882 The preparation and crystal structure of ferrous oxide Locality: Synthetic _database_code_amcsd 0021196 4.294 4.294 4.294 90 90 90 Fm3m atom x y z occ Fe 0 0 0 .916 O .5 .5 .5