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Title: Anion-templated assembly of multinuclear copper(ii)-triazole complexes
Authors: Mohan Gopalakrishnan
Nuttaporn Krittametaporn
Nobuto Yoshinari
Takumi Konno
Preeyanuch Sangtrirutnugul
Osaka University
Mahidol University
Keywords: Chemical Engineering;Chemistry;Materials Science
Issue Date: 28-Aug-2020
Citation: New Journal of Chemistry. Vol.44, No.32 (2020), 13764-13770
Abstract: © The Royal Society of Chemistry and the Centre National de la Recherche Scientifique. The reactions of [Cu(CH3CN)4]PF6 and Cu(ClO4)2 with (1-benzyl-1H-1,2,3-triazol-4-yl)(pyridin-2-yl)phenylmethanol (Hpytm) in a 1:1 ratio under aerobic conditions afforded [Cu6(pytm)6(SiF6)](SiF6)2 (1) and {[Cu3(pytm)3(MeOH)(ClO4)](ClO4)2}n (2), respectively. Single-crystal X-ray crystallography reveals that both compounds contain the trinuclear, six-membered CuII cluster, [CuII3(μ2-κ3-N,O,N′-pytm)3]3+, as a building block. In 1, the two trinuclear clusters sandwich an SiF62- anion to form a discrete dimeric hexanuclear structure, whereas in 2 the CuII clusters are linked by ClO4- anions in a one-dimensional polymeric structure. Magnetic susceptibility measurements indicate that a relatively large antiferromagnetic coupling exists in each trinuclear cluster in 1 and 2, with the J values of -48.2(4) cm-1 and -69.2(2) cm-1, respectively. In addition, weak yet non-negligible magnetic interactions between two CuII3 cluster units were observed for both complexes. This journal is
ISSN: 13699261
Appears in Collections:Scopus 2020

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