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The Cr(1-) carbonyl complex bis[bis(triphenylphosphine)iminium] decacarbonyldichromate(2-), [PPN]2[Cr2(CO)10], (1), where [PPN]+ is [(Ph3P)2N]+, has been prepared by naphthalenide reduction of a Cr0 precursor followed by counterion metathesis to introduce a non-coordinating cation. The [Cr2(CO)10]2- dianion in (1) is structurally similar to that in a previously characterized salt with a [K(DME)2]+ counterion (DME = dimethylethane), despite the loss of the solid-state ion-pairing present in the [K(DME)2]+ salt.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablock default

hkl

Structure factor file (CIF format)
Contains datablock MU1169

CCDC reference: 126339

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