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Transition metal azolates from metallocenes .1. Dimetallic and trimetallic cyclopentadienyl nickel pyrazolates, synthesis and structural studies

TitleTransition metal azolates from metallocenes .1. Dimetallic and trimetallic cyclopentadienyl nickel pyrazolates, synthesis and structural studies
Publication TypeJournal Article
Year of Publication1997
AuthorsRettig, SJ, Storr, A, Summers, DA, Thompson, RC, Trotter, J
JournalCanadian Journal of Chemistry-Revue Canadienne De Chimie
Volume75
Pagination949-958
Date PublishedJul
Type of ArticleArticle
ISBN Number0008-4042
Keywords3, 5-DIMETHYLPYRAZOLATE COMPLEXES, BR, CH3, CRYSTAL, crystal structures, CYCLOPENTADIENYL, MAGNETIC-PROPERTIES, MOLECULAR-STRUCTURES, NICKEL, nickelocene, POLYMERS, pyrazolates
Abstract

{The reactions of nickelocene with pyrazoles in benzene solution have resulted in the isolation of either dimeric compounds, [CpNi(mu-pz’)](2), (room temperature conditions) or trimetallic complexes, [CpNi(mu-pz ’’)(2)](2)Ni, (elevated temperature conditions). Both dimeric and trimetallic species were obtained as red crystalline materials and X-ray structural investigations are reported for representative samples of each type. Structural features are interpreted and compared with similar, previously reported, nickel pyrazolate structures. Crystals of [CpNi(3,5-diMepz)](2) (C20H24N4Ni2), 1, are orthorhombic

URL<Go to ISI>://A1997XR88600004