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Abstract Various adducts of mercuric salts with 2ferrocenophane and 1,1,2,2-tetramethyl2ferrocenophane, were prepared by treating HgX2 (X=Cl−, I−, CN−) with the 2ferrocenophane derivatives in ether. The adducts were studied by Mössbauer spectroscopy and other physicochemical measurements. Anomalously large quad-rupole splitting values of the adducts (about 3.10–3.30 mm s−1 at 78 K) suggest the presence of a strong direct interaction between the Fe and Hg atoms.
Watanabe et al. (Tue,) studied this question.