A series of new pyridine carboxamide complexes and self-assemblies with Tb(III), Eu(III), Zn(II), Cu(II) ions and their luminescent and magnetic properties

Kwiatek, Dorota; Kubicki, Maciej; Toliński, T.; Ferenc, W.; Lis, Stefan; Hnatejko, Zbigniew

doi:10.1080/00958972.2019.1574344

Cited by 4 publications

(3 citation statements)

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“…The experimental data were fitted with R 2 = 0.9980 using a single exponential function. Because the luminescence lifetime of Ln(III) is very sensitive to the composition of the inner coordination sphere [61,62], the short lifetimes determined herein can be attributed to the presence of luminescence quenchers, H 2 O molecules, in the coordination spheres of Eu(III) ions. The numbers of water molecules in these compounds calculated from Kimura's empirical rule [63] were determined to be 4.5 (with an accuracy of 0.5 molecule).…”

Section: Luminescence Investigationsmentioning

confidence: 83%

A Series of Novel 3D Coordination Polymers Based on the Quinoline-2,4-dicarboxylate Building Block and Lanthanide(III) Ions—Temperature Dependence Investigations

Vlasyuk,

Łyszczek,

Mazur

et al. 2023

Molecules

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A series of novel 3D coordination polymers [Ln2(Qdca)3(H2O)x]·yH2O (x = 3 or 4, y = 0–4) assembled from selected lanthanide ions (Ln(III) = Nd, Eu, Tb, and Er) and a non-explored quinoline-2,4-dicarboxylate building block (Qdca2− = C11H5NO42−) were prepared under hydrothermal conditions at temperatures of 100, 120, and 150 °C. Generally, an increase in synthesis temperature resulted in structural transformations and the formation of more hydrated compounds. The metal complexes were characterized by elemental analysis, single-crystal and powder X-ray diffraction methods, thermal analysis (TG-DSC), ATR/FTIR, UV/Vis, and luminescence spectroscopy. The structural variety of three-dimensional coordination polymers can be ascribed to the temperature effect, which enforces the diversity of quinoline-2,4-dicarboxylate ligand denticity and conformation. The Qdca2− ligand only behaves as a bridging or bridging–chelating building block binding two to five metal centers with seven different coordination modes arising mainly from different carboxylate group coordination types. The presence of water molecules in the structures of complexes is crucial for their stability. The removal of both coordinated and non-coordinated water molecules leads to the disintegration and combustion of metal–organic frameworks to the appropriate lanthanide oxides. The luminescence features of complexes, quantum yield, and luminescent lifetimes were measured and analyzed. Only the Eu complexes show emission in the VIS region, whereas Nd and Er complexes emit in the NIR range. The luminescence properties of complexes were correlated with the crystal structures of the investigated complexes.

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Section: Luminescence Investigationsmentioning

confidence: 83%

A Series of Novel 3D Coordination Polymers Based on the Quinoline-2,4-dicarboxylate Building Block and Lanthanide(III) Ions—Temperature Dependence Investigations

Vlasyuk,

Łyszczek,

Mazur

et al. 2023

Molecules

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“…In this case, the shift to the higher wavenumber indicates non-coordination. 20,21 Table 4 lists the main FTIR spectral data. The spectra can be found in the ESI † (Fig.…”

Section: II Coordination Polymers With L and Chloridementioning

confidence: 99%

M^II (M = Mn, Fe, Co, Ni and Cu) complexes with a chromone-derived neutral ligand: synthesis, structural characterization, photocatalytic and mycobacterial activity studies

et al. 2022

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“…For years, the rational design and preparation of the transition metal complexes have attracted a great deal of interest not only for their fascinating complex structures, but also for their versatile functions . The attraction is not only confined in the field of crystal engineering and molecular topologies but also covers a broad area of research due to their numerous applications in gas absorption and separation, luminescence, catalysis, molecular magnetism, sensors and so on .…”

Section: Introductionmentioning

confidence: 99%

Synthesis, Crystal Structure, Thermal Stability, Magnetic Property, and Biological Activity of a New Copper(II) Complex Based on 1,2,4‐Benzenetricarboxylic Acid and 2,2′‐Bipyridine

Chen

Zhang

et al. 2019

Zeitschrift anorg allge chemie

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Based on an asymmetric 1,2,4‐benzenetricarboxylic acid (H3btc) and 2,2′‐bipyridine (bpy), a new CuII complex, Cu2(H2btc)4(bpy)2·8H2O (1), was synthesized and structurally characterized by single‐crystal X‐ray diffraction, hirshfeld surface (HS) analysis, IR spectroscopy, powder X‐ray analysis, thermal gravimetry analysis (TGA), magnetic susceptibility, EPR measurement, and UV/Vis spectrometry. Complex 1 shows a dinuclear copper structure. The CuII of each dinuclear moiety are in a slightly distorted square‐pyramidal environments. Magnetic susceptibility of 1 shows a ferromagnetic coupling between both metal atoms. The interaction of 1 with bovine serum albumin (BSA) is investigated using UV/Vis, fluorescence spectroscopic methods. The CuII complex shows strong binding propensity in albumin binding study.

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A series of new pyridine carboxamide complexes and self-assemblies with Tb(III), Eu(III), Zn(II), Cu(II) ions and their luminescent and magnetic properties

Cited by 4 publications

References 37 publications

A Series of Novel 3D Coordination Polymers Based on the Quinoline-2,4-dicarboxylate Building Block and Lanthanide(III) Ions—Temperature Dependence Investigations

A Series of Novel 3D Coordination Polymers Based on the Quinoline-2,4-dicarboxylate Building Block and Lanthanide(III) Ions—Temperature Dependence Investigations

M^II (M = Mn, Fe, Co, Ni and Cu) complexes with a chromone-derived neutral ligand: synthesis, structural characterization, photocatalytic and mycobacterial activity studies

Synthesis, Crystal Structure, Thermal Stability, Magnetic Property, and Biological Activity of a New Copper(II) Complex Based on 1,2,4‐Benzenetricarboxylic Acid and 2,2′‐Bipyridine

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A series of new pyridine carboxamide complexes and self-assemblies with Tb(III), Eu(III), Zn(II), Cu(II) ions and their luminescent and magnetic properties

Cited by 4 publications

References 37 publications

A Series of Novel 3D Coordination Polymers Based on the Quinoline-2,4-dicarboxylate Building Block and Lanthanide(III) Ions—Temperature Dependence Investigations

A Series of Novel 3D Coordination Polymers Based on the Quinoline-2,4-dicarboxylate Building Block and Lanthanide(III) Ions—Temperature Dependence Investigations

MII (M = Mn, Fe, Co, Ni and Cu) complexes with a chromone-derived neutral ligand: synthesis, structural characterization, photocatalytic and mycobacterial activity studies

Synthesis, Crystal Structure, Thermal Stability, Magnetic Property, and Biological Activity of a New Copper(II) Complex Based on 1,2,4‐Benzenetricarboxylic Acid and 2,2′‐Bipyridine

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M^II (M = Mn, Fe, Co, Ni and Cu) complexes with a chromone-derived neutral ligand: synthesis, structural characterization, photocatalytic and mycobacterial activity studies