Crystal Structure and Physical Properties of a New Conducting Charge-Transfer Salt: (BEDT-TTF)₃Cl₂.2H₂O

Abstract

The family of BEDT-TTF* charge transfer salts have been shown to encompass a wide range of cation: anion ratios with several crystal morphologies and structures¹. These differences have resulted in a variety of electrical and magnetic properties². In the past few years, following the discovery of superconductivity in the salts, (BEDT-TTF)₂ReO₄³ and (BEDT-TTF)₂I₃⁴, much effort has bean devoted to studying a range of new BEDT-TTF salts with other inorganic tetrahedral and linear triatomic anions⁵. In an effort to understand the effect of changing anions on the structure and properties and to check whether incorporating sulphur containing anions will increase the dimensionality, we have attempted to prepare materials with alkyl and aryl-sulphonate, -dithiocarbamate and -thiophosphate anions.