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A V2 structural unit that is coordinated to all the C atoms of two sandwiching indenyl ligands characterizes the title compound 2. This dark violet, paramagentic sandwich complex can be synthesizd by reduction of diindenylvanadium 1 with potassium in tetrahydrofuran. The V-V distance in 2 is 2.351(1) Å.
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Jonas et al. (1986) studied this question.
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