Structures and photoluminescence of Silver(I) and Gold(I) cyclic trinuclear complexes with aryl substituted pyrazolates

Mai Saotome, Daichi Shimizu, Ayaka Itagaki, David James Young, Kiyoshi Fujisawa

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Abstract

The 4-aryl substituted pyrazolate ligands, L1(Ph)H and L1(Naph)H, were synthesized by SuzukiMiyaura cross-coupling and combined with metal sources to give cyclic trinuclear structures [AgL1(Ph)]3, [AuL1(Ph)] 3, [AgL1(Naph)] 3, and [AuL1(Naph)]3. The aryl group determined the crystal packing of these cyclic trinuclear complexes with the phenyl systems exhibiting stair type solid state structures and the naphthyl complexes exhibiting irregular structures with spaces occupied with some solvent molecules. These differences in solid-state structures were accompanied by differences in MN stretching frequencies and temperature dependent photoluminescence.

Original languageEnglish
Pages (from-to)533-536
Number of pages4
JournalChemistry Letters
Volume48
Issue number6
DOIs
Publication statusPublished - 2019

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