A five-coordinate cobalt bis-(di-thiol-ene)-phosphine complex [Co(pdt)2(PTA)] (pdt = phenyl-dithiol-ene; PTA = 1,3,5-tri-aza-7-phosphaadamantane).
DaShawn WilliamsJacob P BrannonPerumalreddy ChandrasekaranSabine Chantal E StieberPublished in: Acta crystallographica. Section E, Crystallographic communications (2020)
The title compound, bis-(1,2-diphenyl-2-sulfanyl-idene-ethane-thiol-ato-κ2 S,S')(1,3,5-tri-aza-7-phosphaadamantane-κP)cobalt(II) dichloromethane hemisolvate, [Co(pdt)2(PTA)]·0.5C2H4Cl2 or [Co(C14H10S2)2(C6H12N3P)]·0.5C2H4Cl2, contains two phenyl-dithiol-ene (pdt) ligands and a 1,3,5-tri-aza-7-phosphaadamantane (PTA) ligand bound to cobalt with the solvent 1,2-di-chloro-ethane mol-ecule located on an inversion center. The cobalt core exhibits an approximately square-pyramidal geometry with partially reduced thienyl radical monoanionic ligands. The supra-molecular network is consolidated by hydrogen-bonding inter-actions primarily with nitro-gen, sulfur and chlorine atoms, as well as parallel displaced π-stacking of the aryl rings. The UV-vis, IR, and CV data are also consistent with monoanionic di-thiol-ene ligands and an overall CoII oxidation state.
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