Structure diversity of silver(I) [1,1′-bis(diphenylphosphino)cobaltocenium] complexes: Effect of counteranions

Single crystal X-ray structural characterizations are recorded for an array of adducts of the form {AgX:[dppc][PF6]}n (n = 1 or 2), [dppc][PF6] = 1,1′-bis(diphenylphosphino)cobaltocenium hexafluorophosphate, X = Cl, Br, NO3, NO2, C6H5CO2, CF3CO2. Synthetic procedures for all adducts are reported. All compounds have been fully characterised by elemental analysis and spectroscopic techniques. The structures in the solid state were found to depend on the nature of the counterion, for X = NO3, NO2, the complex being monomeric {[dppc-P,P′]Ag(NO3)2} or {[dppc-P,P′]Ag(NO2)}, for X = Cl, Br, C6H5CO2, CF3CO2, the complex is a dimer.

Graphical abstractSingle crystal X-ray structural characterizations are recorded for an array of adducts of the form AgX:[dppc][PF6], [dppc][PF6] = 1,1′-bis(diphenylphosphino)cobaltocenium hexafluorophosphate, X = Cl, Br, NO3, NO2, C6H5CO2, CF3CO2. The topology of the structures in the solid state was found to depend on the nature of the counterion.Figure optionsDownload full-size imageDownload as PowerPoint slide