Synthesis, spectroscopic and structural characterisation of Cd(II) and Zn(II) derivatives of tris(3,4,5-trimethylpyrazol-1-yl)methane

A. Cingolani, D. Martini, F. Marchetti, C. Pettinari, M. Ricciutelli, Brian Skelton, Allan White

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The reactions between MX, (M = Zn or Cd, X = ClO4, NO3, Cl, Br, I and CH3COO) and excess of tris(3,4,5-trimethylpyrazol-1-yl)methane ligand (L) yield [MX2(L)]- or [M(L-2)]X-2-type complexes, the ligand to metal ratio being dependent on the nature of the counterion X. All complexes have been characterised in the solid state (IR) as well as in solution (NMR (H-1, C-13 and Cd-113), lelectrospray ionisation mass spectroscopy and conductivity measurements). The solid-state structures of [Cd(L)(2)](NO3)(2).1/2H(2)O.3CH(2)Cl(2), [M(L)(2)](ClO4)(2).4CH(2)Cl(2) (M = Zn, Cd) (isomorphous) and [Zn(L)(2)](ClO4)(2).4CH(2)Cl(2) have been determined by single-crystal X-ray studies, which are consistent with the presence of octahedral centrosymmetric cations of the form [M(L)(2)](2+) with perchlorate or nitrate counterions. (C) 2003 Elsevier Science B.V. All rights reserved.
Original languageEnglish
Pages (from-to)641-650
JournalInorganica Chimica Acta
Volume350
Issue number4
DOIs
Publication statusPublished - 2003

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