Issue 6, 2000
From the journal:

Journal of the Chemical Society, Dalton Transactions

TTF based charge transfer salts of [M(NCS)4(C9H7N)2]− where M = Cr, Fe and C9H7N = isoquinoline; observation of bulk ferrimagnetic order

Scott S. Turner,*a   Cecile Michaut,a   Stephanie Durot,a   Peter Day,*a   Thomas Gelbrichb  and  Michael B. Hursthouseb  

* Corresponding authors

a Davy-Faraday Research Laboratory, Royal Institution of Great Britain, 21 Albemarle Street, London, UK
E-mail: sst@ri.ac.uk, pday@ri.ac.uk

b Department of Chemistry, University of Southampton, Southampton, UK, 1BJ

Abstract

Three new charge transfer salts of BEDT-TTF and TTF with the counter ions [M(NCS)4(C9H7N)2]− (M = Cr, Fe; C9H7N = isoquinoline) are described. The materials are prepared by standard electrocrystallisation techniques. The nature of the anion is verified in the crystal structure of the salt [C9H8N][Cr(NCS)4(C9H7N)]·C12H24O6·H2O which is used as the electrolyte when M = Cr. All of the charge transfer salts display long range ferrimagnetic order originating from the interaction between M (S = 3/2 or S = 5/2) and the donor (S = 1/2). The measured critical temperatures are 4.2 K (BEDT-TTF, M = Cr), 4.5 K (BEDT-TTF, M = Fe) and 8.9 K (TTF, M = Cr). Each of the compounds also shows a modest magnetic hysteresis of 338, 18 and 75 Oe for BEDT-TTF salts of M = Cr, Fe and the TTF salt of Cr, respectively.

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Article information

DOI
https://doi.org/10.1039/A910259K
Article type
Paper
Submitted
22 Dec 1999
Accepted
10 Feb 2000
First published
28 Feb 2000

J. Chem. Soc., Dalton Trans., 2000, 905-909

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TTF based charge transfer salts of [M(NCS)4(C9H7N)2]− where M = Cr, Fe and C9H7N = isoquinoline; observation of bulk ferrimagnetic order

S. S. Turner, C. Michaut, S. Durot, P. Day, T. Gelbrich and M. B. Hursthouse, J. Chem. Soc., Dalton Trans., 2000, 905 DOI: 10.1039/A910259K

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