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Magnetic study of highly conductive TCNQ− salts of Cu(II) complexes with 2,2'-bipyridine, 1,10-phenanthroline and ethylenediamine

✍ Scribed by Michiko B. Inoue; Motomichi Inoue

Publisher
Elsevier Science
Year
1981
Tongue
English
Weight
379 KB
Volume
80
Category
Article
ISSN
0009-2614

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✦ Synopsis

The magnetic susceptibility has been determined for CuL,(TCNQ-)2 (L = 2,2'-bipyridine, l,lO-phenanthroline, or ethylenediamme; n = 1 or 2), having high electric conductivity. The results show that the Cu*+L chelates are partially reduced to Cu+L, in the complexes_ The equilibrium Cu2*L,(TCNQ_)a + Cu?&lCNQ_) (TCNC& produces conduction electrons in TCNQ columns. 1 _ Introduction We reported [l] that some Cu(II) complexes of 2,2'-bipyridine (bpy) and l,lO-phenanthroline @hen) form a new class of highly conductive tetracyanoquinodimethalides, CuL(TCNQ-)2 and CU~(TCNQ-)~ (L = bpy or phen). The electric conductivities determined on compressed pellets at 300 K amount to 0.04-1.9 a-1 cm-l, comparable to those of crystalline powders of K2 [Pt(CNj,] Bro_3 -3H20

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