Issue 10, 2001

Abstract

Electrochemical oxidation of PTMA[MIII(Pc)(CN)2] (PTMA = phenyltrimethylammonium, Pc = phthalocyaninato, and M = Co or Fe) gives partially oxidized salts (PTMA)x[MIII(Pc)(CN)2y(solvent) (solvent = acetonitrile or acetone). The obtained crystals in which the solvent molecules partially occupy the cationic sites are isomorphous regardless of M and solvent. They are highly conducting and metallic behavior is observed in the conductivity and thermoelectric power measurements. In contrast to the Pauli-like behavior of the CoIII salt, Curie-like behavior with an anomaly due to antiferromagnetic interactions was observed for the FeIII salt in magnetic susceptibility measurements. The existence of local magnetic moments in the FeIII salt leads to a significant influence on the transport properties, suggesting the existence of π–d interactions in this system.

Graphical abstract: Structure and electrical and magnetic properties of (PTMA)x[M(Pc)(CN)2]·y(solvent)  (PTMA = phenyltrimethylammonium and [M(Pc)(CN)2] = dicyano(phthalocyaninato)Miii with M = Co and Fe). Partial oxidation by partial solvent occupation of the cationic site

Supplementary files

Article information

Article type
Paper
Submitted
17 Jan 2001
Accepted
26 Jun 2001
First published
21 Aug 2001

J. Mater. Chem., 2001,11, 2493-2497

Structure and electrical and magnetic properties of (PTMA)x[M(Pc)(CN)2y(solvent)  (PTMA = phenyltrimethylammonium and [M(Pc)(CN)2] = dicyano(phthalocyaninato)MIII with M = Co and Fe). Partial oxidation by partial solvent occupation of the cationic site

M. Matsuda, T. Naito, T. Inabe, N. Hanasaki and H. Tajima, J. Mater. Chem., 2001, 11, 2493 DOI: 10.1039/B100623L

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