Treatment of (η4-C6H6)(tmps)Fe, tmps = MeSi(CH2PMe2)3, with ethylene, or sodium amalgam reduction of (tmps)FeCl2 in the presence of ethylene, gives the di-iron-µ-vinylidene compound (tmps)Fe(µ-CCH2)(µ-H)2Fe(tmps) whose crystal structure has been determined.
                                    用
乙烯处理 (η4-
C6H6)(tmps)Fe,tmps = MeSi(
CH2PMe2)3,或在
乙烯存在下用
钠汞齐还原 (tmps)FeCl2,得到二
铁-μ-亚
乙烯基化合物 (tmps) )Fe(μ-C   )(μ-H)2Fe(tmps),其晶体结构已确定。