Carbocationic complexMetallacyclopropaneHeterobimetallicIronTungstenThe reaction of [Cp ∗(CO) 2Fe{μ-CH 2CH(CH 2) 3}W(CO) 3Cp]PF 6 with NaBPh 4 in dry acetone gave [Cp ∗(CO) 2Fe{μ-CH 2CH(CH 2) 3}W(CO) 3Cp]BPh 4. The bond Fe–C β is shorter than that reported for...