Investigating poly-nuclear Zn(II) and Ni(II) complexes based on a formyl-appended single salamo-type ligand

La, Ya‐Ting

doi:10.1016/j.molstruc.2023.135843

Journal of Molecular Structure

2023

DOI: 10.1016/j.molstruc.2023.135843

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Investigating poly-nuclear Zn(II) and Ni(II) complexes based on a formyl-appended single salamo-type ligand

Ya‐Ting La

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Cited by 29 publications

(2 citation statements)

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“…There is an apparent shift for the stretching vibration of C�O in 1 (1645 cm −1 ) compared to the free ligand (1682 cm −1 ) (Figure S1). 34,35 In order to investigate the allosteric ability of 1 in response to chemical stimuli, a wide range of typical VOCs were selected and determined at ambient temperature. Surprisingly, it is upon exposure to pyridine that complex 1 showed vaporchromic behavior from orange to yellow, which is high selective among various VOCs (Figure S2).…”

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Pyridine-Triggered Fluorescent Switching in Coordination-Induced Allosteric Crystal Transformation

Feng,

Xue,

Zou

et al. 2024

Crystal Growth & Design

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Two zinc complexes with stimuli-responsive properties have been realized in [Zn(L) 2 ] (1) and [Zn(L) 2 (py)]•py (2) (HL = N-(2-hydroxybenzylideneamino)-1,8naphthalimide, py = pyridine). The crystal-to-crystal transformation between 1 and 2 is achieved by coordination/decoordination of pyridine, leading to an allosteric effect of the naphthalimide fluorophore. Thus, this pyridine-mediated twisted π-conjugated nature of the ligand between 1 and 2 is responsible for the selective and reversible fluorescent switching, which offers a profound insight into the fascinating field of solid-state stimuli-responsive luminescence materials and promotes the development of novel materials.

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confidence: 99%

“…There is an apparent shift for the stretching vibration of CO in 1 (1645 cm –1 ) compared to the free ligand (1682 cm –1 ) (Figure S1). , …”

mentioning

confidence: 99%

Pyridine-Triggered Fluorescent Switching in Coordination-Induced Allosteric Crystal Transformation

Feng,

Xue,

Zou

et al. 2024

Crystal Growth & Design

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Exploration of the Differences in Coordination Behaviors and Spectrographic Properties of Two Novel Seven‐Nucleated Ni (II) Complexes of a Salamo‐Type Flexible‐Bisoxime Ligand

Zhang,

Chen,

Shi

et al. 2024

Applied Organom Chemis

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A salamo‐type bis‐oxime ligand H2L was synthesized, which reacted with Ni (NO3)2·6H2O in different reaction solvents to synthesize two novel heptanuclear Ni (II) complexes: [Ni7(L)3(μ3‐OH)8(EtOH)6]·2CH2Cl2 (1) and [Ni7(L)3(μ3‐OMe)2(μ3‐OH)6(MeOH)6]·CH2Cl2 (2). X‐ray crystal diffraction results showed that each Ni (II) ion exhibits a distorted octahedral geometry. Its uniqueness lies in the fact that the Ni (II) ion in Complex 1 not only coordinates with ligand units but also coordinates with ethanol solvent molecules and water molecules participating in bridging. Complex 2 is composed of water molecules and methanol molecules connected together. Interestingly, the coordination mode is different due to the different reaction solvents. The energy gap changes of the ligand, and its complexes were then explored by DFT calculations. In addition, the influence of the weak interaction force was confirmed through the in‐depth study of electrostatic potential, IRI, freedom analysis, and Hirshfeld surfaces analyses, which is important for explaining the formation of reaction sites and supramolecular structures. UV‐visible spectrometric titration tests showed that the binding ratios of the ligand to Ni (II) ions are all 3:7, which is consistent with the crystal structure. Finally, fluorescence characterization studies showed that both complexes exhibited reduced fluorescence compared to H2L.

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A pyridine-appended half-salamo-based fluorescent chemosensor for efficiently and selectively sensing Cu2+ ions

Zhang

et al. 2023

Inorganica Chimica Acta

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Investigating poly-nuclear Zn(II) and Ni(II) complexes based on a formyl-appended single salamo-type ligand

Cited by 29 publications

References 67 publications

Pyridine-Triggered Fluorescent Switching in Coordination-Induced Allosteric Crystal Transformation

Pyridine-Triggered Fluorescent Switching in Coordination-Induced Allosteric Crystal Transformation

Exploration of the Differences in Coordination Behaviors and Spectrographic Properties of Two Novel Seven‐Nucleated Ni (II) Complexes of a Salamo‐Type Flexible‐Bisoxime Ligand

A pyridine-appended half-salamo-based fluorescent chemosensor for efficiently and selectively sensing Cu2+ ions

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