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math, physics, and chemistry
>
Metallocene
metallocene (c5h5)2m
(c5h5)2m 指金属原子和两个环戊二烯基形成的夹心化合物,因结构与二茂铁类似而得名。
除少数如(c5h5)sr和(c5h5)2ba等具有离子型结构外,大都具有共价型结构。
第一系列过渡金属从钒到镍的
金属茂
均已制得。