Synthesis, structure and physical properties of charge-transfer complexes based on BET–TTF and M(mnt)2(M = Au, Pt)
- 1 January 1995
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of Materials Chemistry
- Vol. 5 (10) , 1653-1658
- https://doi.org/10.1039/jm9950501653
Abstract
The crystalline complexes (BET–TTF)[Au(mnt)2] and (BET–TTF)2[Pt(mnt)2] have been obtained by electrocrystallization of BET–TTF [bis(ethylenethio)tetrathiafulvalene] in CH2Cl2 in the presence of M(mnt)2(M = Au, Pt). IR, UV and EPR spectroscopy indicate that both compounds are completely ionized and have diamagnetic anions. (BET–TTF)[Au(mnt)2] crystallizes in the triclinic P space group, a= 7.94(1)Å, b= 13.56(2)Å, c= 5.80(2)Å, V= 586(4)Å3 and Z= 1. The structure consists of mixed donor–acceptor stacks along the a axis with close intermolecular S ⋯ S and N ⋯ H contacts which lead to a strongly interlocked packing. The conductivity of (BET–TTF)[Au(mnt)2] parallel to a is 8 × 10–3 S cm–1 at 300 K and presents an activation energy of 0.090 eV, indicative of semiconducting behaviour.Keywords
This publication has 23 references indexed in Scilit:
- Charge-transfer salts based on BET-TTF and the linear ions AuX2− (X = Br, I)Synthetic Metals, 1995
- The Interplay Between Conduction Electrons and Chains of Localised Spins in The Molecular Metals (Per)2M(mnt)2, M=Au, Pt, Pd, Ni, Cu, Co and FeMolecular Crystals and Liquid Crystals, 1993
- Molecular metals and superconductors derived from metal complexes of 1,3-dithiol-2-thione-4,5-dithiolate (dmit)Coordination Chemistry Reviews, 1991
- New Conductors Based on Metal Complexes of Sulphur Chelate LigandsMolecular Crystals and Liquid Crystals, 1985
- Physical properties and the Peierls instability of [Pt] · 2OPhysical Review B, 1984
- Synthesis and Study of Electrochemically Grown Salts of Organic II-DonorsMolecular Crystals and Liquid Crystals, 1982
- Synthesis of electrically conductive organic solidsJournal of the American Chemical Society, 1976
- Semiconducting metal-organic saltsInorganic Chemistry, 1975
- New approach to the preparation of tetrathiafulvalenium saltsJournal of the American Chemical Society, 1975
- 2,2′-Bi-1,3-dithiolyliumnickel bismaleonitriledithiolateJournal of the Chemical Society, Chemical Communications, 1973