F3 Fe Leblanc M, Pannetier J, Ferey G, de Pape R Revue de Chimie Minerale 22 (1985) 107-114 Single crystal refinement of the structure of rhombohedral Fe F3 _cod_database_code 1000476 _database_code_amcsd 0015398 5.362 5.362 5.362 57.94 57.94 57.94 R-3c atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Fe1 0 0 0 .0056 .0056 .0056 -.0020 -.002 -.002 F1 -.1607 .6607 .25 .0112 .0112 .0112 -.0079 -.0029 -.0029