Hybrid 1,2,3-Triazole Supported CuII Complexes

Tuning Assembly and Weak Interaction-Driven Crystal Growth

Shi Qiang Bai, Lu Jiang, David James Young, T. S.Andy Hor

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Two new dinuclear CuII complexes [Cu2Cl4(L1)2] (1) and [Cu2Cl4(L2)2] (2) (L1=2-((4-(2-(cyclopentylthio)ethyl)-1H-1,2,3-triazol-1-yl)methyl)pyridine; L2=2-((4-(pyridin-2-yl)-1H-1,2,3-triazol-1-yl)methyl)benzonitrile) were synthesised and characterised by single-crystal X-ray diffraction (XRD), powder XRD, thermogravimetric analysis, elemental analysis and IR measurements. The picolyl-triazole ligand L1 coordinates in a chelate-bridging mode forming a dinuclear structure 1. The more rigid pyridyl-triazole ligand L2 chelates only, generating a chloride-bridged dinuclear complex 2. Both crystals of complexes 1 and 2 show dominant plate shapes that correlate with weak 2D H-bonding interactions in the lattice. A mononuclear structure (3, [CuCl2(L3)2]6H2O, L3 = 3-((4-(pyridin-2-yl)-1H-1,2,3-triazol-1-yl)methyl)benzonitrile) yields block shape crystals that correlate with 3D H-bonding interactions. This study demonstrates tunable assembly at the molecular level and the relationship of crystal shape with weak lattice interactions.

Original languageEnglish
Pages (from-to)372-378
Number of pages7
JournalAustralian Journal of Chemistry
Volume69
Issue number4
DOIs
Publication statusPublished - 2016
Externally publishedYes

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Triazoles
Crystallization
Tuning
Crystals
Ligands
Crystal lattices
X ray powder diffraction
Thermogravimetric analysis
Chlorides
Single crystals
X ray diffraction
Chemical analysis
benzonitrile

Cite this

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title = "Hybrid 1,2,3-Triazole Supported CuII Complexes: Tuning Assembly and Weak Interaction-Driven Crystal Growth",
abstract = "Two new dinuclear CuII complexes [Cu2Cl4(L1)2] (1) and [Cu2Cl4(L2)2] (2) (L1=2-((4-(2-(cyclopentylthio)ethyl)-1H-1,2,3-triazol-1-yl)methyl)pyridine; L2=2-((4-(pyridin-2-yl)-1H-1,2,3-triazol-1-yl)methyl)benzonitrile) were synthesised and characterised by single-crystal X-ray diffraction (XRD), powder XRD, thermogravimetric analysis, elemental analysis and IR measurements. The picolyl-triazole ligand L1 coordinates in a chelate-bridging mode forming a dinuclear structure 1. The more rigid pyridyl-triazole ligand L2 chelates only, generating a chloride-bridged dinuclear complex 2. Both crystals of complexes 1 and 2 show dominant plate shapes that correlate with weak 2D H-bonding interactions in the lattice. A mononuclear structure (3, [CuCl2(L3)2]6H2O, L3 = 3-((4-(pyridin-2-yl)-1H-1,2,3-triazol-1-yl)methyl)benzonitrile) yields block shape crystals that correlate with 3D H-bonding interactions. This study demonstrates tunable assembly at the molecular level and the relationship of crystal shape with weak lattice interactions.",
author = "Bai, {Shi Qiang} and Lu Jiang and Young, {David James} and Hor, {T. S.Andy}",
year = "2016",
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Hybrid 1,2,3-Triazole Supported CuII Complexes : Tuning Assembly and Weak Interaction-Driven Crystal Growth. / Bai, Shi Qiang; Jiang, Lu; Young, David James; Hor, T. S.Andy.

In: Australian Journal of Chemistry, Vol. 69, No. 4, 2016, p. 372-378.

Research output: Contribution to journalArticleResearchpeer-review

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