Co-ordination of the crown thioether 2,5,8-trithia[9]-o-benzenophane (L<sup>1</sup>). Synthesis and crystal structures of [CuL<sup>1</sup>(Cl)] and [NiL<sup>1</sup><inf>2</inf>][BF<inf>4</inf>]<inf>2</inf>

Lluis Escriche, María Pilar Almajano, Jaume Casabó, Francesc Teixidor, Jordi Rius, Carlos Miravitlles, Raikko Kivekäs, Reijo Sillampää

Research output: Contribution to journalArticleResearchpeer-review

19 Citations (Scopus)

Abstract

The co-ordination abilities of 2,5,8-trithia[9]-o-benzenophane (L1) are compared with several S3-crown macrocycles by structural, spectral and electrochemical techniques. Ligand L1 shows intermediate behaviour relative to the well known ligands 1,4,7-trithiacyclononane and 1,5,9-trithiacyclododecane. The synthesis and characterization of CuII, CuI, NiII and CoII complexes with L1 are carried out. Crystal and molecular structures of two complexes are determined: [CuL1(Cl)], monoclinic, space group P21/a, a = 13.562(6), b = 8.046(1), c = 13.770(6) Å, β = 109.96(2)°, Z = 4, R = 0.041 and R′ = 0.045; [NiL21][BF4]2, monoclinic, space group P21/c, a = 9.430(2), b = 14.879(2), c = 11.451(2) Å, β = 113.59(1)°, Z = 2, R = 0.058 and R′ = 0.057.
Original languageEnglish
Pages (from-to)2969-2974
JournalJournal of the Chemical Society, Dalton Transactions
Issue number19
DOIs
Publication statusPublished - 1 Dec 1993

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