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Towards self-doping multimetal porphyrin systems

MPS-Authors

Lehmann,  Udo
Research Department Reetz, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Goddard,  Richard
Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Reetz,  Manfred T.
Research Department Reetz, Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Fachbereich Chemie, Philipps-Universität Marburg;

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Citation

Lehmann, U., Goddard, R., Tonner, R., & Reetz, M. T. (2021). Towards self-doping multimetal porphyrin systems. Journal of Porphyrins and Phthalocyanines, 25(2), 162-167. doi:10.1142/S1088424621500085.


Cite as: http://hdl.handle.net/21.11116/0000-0008-1DBF-2
Abstract
An approach for the possible production of novel bimetallic self-doped porphyrin-based compounds of potential interest in material science is reported. Heating Cu(II)tetraphenylporphyrin (TPPCu) with chromocene at 120°C in benzonitrile affords the crystalline multimetal porphyrin system TPPCu/TPPCr in good yield. The X-ray single crystal structural analysis reveals a random distribution of TPPCu and TPPCr, with a Cu:Cr ratio of 71(2):29(2)%. Exploratory DFT calculations of TPPCu/TPPCr indicate little if any electron transfer. In contrast, calculations of a hypothetical cationic TPPCu/TPPRu system indicates the possibility of self-doping.