Structural Aspects of Iodine-Containing Low-Dimensional Materials

Philip Coppens
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Philip Coppens: State University of New York, Department of Chemistry

Chapter 7 in Extended Linear Chain Compounds, 1982, pp 333-356 from Springer

Abstract: Abstract This chapter concerns the structural aspects of iodine-containing low-dimensional solids with particular emphasis on the arrangement of the iodine atoms. Many of the solids under consideration are cation radical salts with a high anisotropic conductivity. An impressive variety of cations occurs, ranging from transition metal complexes like Ni(dpg)2, Ni(bqd)2 and Pd(bqd)2 (dpg = diphenylglyoxime; bqd = 1,2-benzoquinonedigly-oxime) to organic molecules like tetrathiotetracene, trimesic acid, and perylene. Most known phases are binary, but multicomponent systems such as TMA+TCNQ2/3−(I3 −)1/3 (TMA = trimethylammonium, N(CH3)3H+; TCNQ = 7,7,8,8-tetracyano-p-quinodimethane) and K2Bz9I9·CHCl3(Bz = benzophenone) offer further variation in structural and physical properties. Though the conductivity process is frequently electronic, it appears predominantly ionic in the alkali-iodine-benzophenone complexes.1

Keywords: Iodine Atom; Intermolecular Distance; Sheet Structure; Iodine Species; Cation Radical Salt (search for similar items in EconPapers)
Date: 1982
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DOI: 10.1007/978-1-4613-3249-7_7

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