In situ resolved ligand chirality in preparing a chiral 3D zinc–cyclopentane–tetracarboxylate based coordination polymer

Crystal structures and fluorescence spectroscopic properties were investigated for a series of all-(E) α,ω-di(4-pyridyl)polyenes (1-5) with different number of double bonds (n). Molecules 1 and 2 (n = 1, 2) in crystals are arranged to form partially πoverlapped structures, whereas those of 3-5 (n = 3-5) are stacked in a herringbone fashion. All these molecules, the shorter polyenes in particular, are almost nonfluorescent in solution. In the solid state, 1 and 2 are highly emissive as pure organic solids [fluorescence quantum yields (ϕ f) = 0.3-0.5], while 3 and 4 are only weakly fluorescent (ϕ f < 0.05). The strongly n-dependent fluorescence properties can be attributed to the largely different molecular arrangements in the crystals. Although 5 is nonfluorescent in the solid state, we observe a very clear structure-property relationship in 1-4. Compounds 1 and 2 become much more emissive in the solid state than in solution as a result of the aggregation-induced emission (AIE) effect.

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Crystal Structures and Fluorescence Spectroscopic Properties of a Series of α,ω‐Di(4‐pyridyl)polyenes: Effect of Aggregation‐Induced Emission

Sonoda

Tohnai

Shimoi

2020

ChemPlusChem

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Anion-induced structural transformation of a sulfate-incorporated 2D Cd(II)–organic framework

Lee

Luo

Wang

et al. 2016

Journal of Solid State Chemistry

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Four Zinc(II) coordination polymers with dicarboxylate and Tri(4-pyridylphenyl)amine ligand: Syntheses, crystal structures and physical properties

Xuan

et al. 2020

Journal of Molecular Structure

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In situ resolved ligand chirality in preparing a chiral 3D zinc–cyclopentane–tetracarboxylate based coordination polymer

Cited by 4 publications

References 74 publications

Crystal Structures and Fluorescence Spectroscopic Properties of a Series of α,ω‐Di(4‐pyridyl)polyenes: Effect of Aggregation‐Induced Emission

Crystal Structures and Fluorescence Spectroscopic Properties of a Series of α,ω‐Di(4‐pyridyl)polyenes: Effect of Aggregation‐Induced Emission

Anion-induced structural transformation of a sulfate-incorporated 2D Cd(II)–organic framework

Four Zinc(II) coordination polymers with dicarboxylate and Tri(4-pyridylphenyl)amine ligand: Syntheses, crystal structures and physical properties

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