Rh6 Sn18.4 Tb4.6 Miraglia S, Hodeau J, de Bergevin F, Marezio M, Espinosa G Acta Crystallographica B43 (1987) 76-83 Structural studies by electron and X-ray diffraction of the disordered phases II': (Sn1-x Tbx) Tb4 Rh6 Sn18 and (Sn1-x Dyx) Dy4 Os6 Sn18 _cod_database_code 1008694 _database_code_amcsd 0016580 13.772 13.772 13.772 90 90 90 Fm3m atom x y z occ Sn1 .5 .5 .5 .4 Tb1 .5 .5 .5 .6 Tb2 .1371 .1371 .1371 .5 Sn2 .0876 .0876 .0876 .5 Sn3 .1745 .1745 .5131 .5 Sn4 .25 .25 .25 Rh1 .2447 0 0