A new carbonyl bridging mode: X-ray structure and infrared spectrum of the metal carbonyl derivative [Mn2(CO)5(Ph2PCH2PPh2)2]
Abstract
The i.r. spectrum of the dimeric manganese(0) carbonyl complex [Mn2(CO)5(Ph2PCH2PPh2)2] exhibits an unusually low carbonyl stretching frequency which a crystal structure determination has revealed to be caused by a carbonyl ligand bonded in a novel bridging manner.