13C-CP-MAS NMR and 57Fe-Moessbauer Spectroscopic Studies of the Reaction Products of Ferrocene Derivatives with Mercury(II) Halides

Adducts of ferrocene, biferrocene, and [2]ferrocenophane with HgX2 (X = Cl, Br, I) were studied by means of high resolution solid state 13C-NMR and 57Fe-Moessbauer spectroscopies. Large low-field shifts found in the 13C-CP-MAS NMR and large quadrupole splitting (Q. S.) values in the 57Fe-Moessbauer spectroscopies suggest the presence of a direct chemical bonding between the Fe and Hg atoms.