Investigation of two novel di- and tetra-nuclear Cu(II) bis(salamo)-type complexes

Feng, Le-Chuan; Dou, Lin; Li, Xiaoxia; Dong, Wen‐Kui

doi:10.1016/j.poly.2022.116024

Cited by 51 publications

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“…Besides, the size of the coordination cavities of each of the four complexes was simulated by first selecting a group of atoms (coordination atoms) that appear around the cavity in the whole system, then setting a sphere center, and calculating the radius of its contact with the van der Waals sphere surface of that group of atoms (Figure ). The size of each cavity radius is given in Table S3, and it was found that the cavity radius is smaller than the radius of its corresponding metal(II) ion, so that the coordinated metal(II) ion is deviated from the plane formed by the coordination atoms, and its coordination polyhedra are necessarily slightly distorted …”

Section: Resultsmentioning

confidence: 99%

“…The size of each cavity radius is given in Table S3, and it was found that the cavity radius is smaller than the radius of its corresponding metal(II) ion, so that the coordinated metal(II) ion is deviated from the plane formed by the coordination atoms, and its coordination polyhedra are necessarily slightly distorted. 45 4 at about 553 and 458 cm −1 of the IR spectrum, respectively. It was further suggested that the metal(II) ions were coordinated in the N 2 O 2 of the ligand.…”

Section: ■ Experimental Sectionmentioning

confidence: 99%

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Coordination-Driven Salamo-Salen-Salamo-Type Multinuclear Transition Metal(II) Complexes: Synthesis, Structure, Luminescence, Transformation of Configuration, and Nuclearity Induced by the Acetylacetone Anion

Yan

et al. 2023

Inorg. Chem.

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A flexible polydentate Salamo-Salen-Salamo hybrid ligand H 4 L was designed and synthesized, which has rich pockets (salamo and salen pockets) so that it may have fascinating coordination patterns with transition metal(II) ions. Four multinuclear transition metal(II) complexes, novel butterflyshaped homotetranuclear 4), have been synthesized and characterized by single-crystal X-ray diffraction. The effects of different anions [OAc − and (O 2 C 5 H 7 ) 2− ] on the complexation behavior of H 4 L with transition metal(II) ions were studied by UV−vis spectrophotometry. The fluorescent properties of the four complexes were studied with zebrafish, which are expected to be a potential light-emitting material. Ultimately, interaction region indicator (IRI) valuations, Hirshfeld surface analyses, density functional theory (DFT & TD-DFT), electrostatic potential analyses (ESP), and simulations were carried out to further demonstrate the weak interactions and electronic properties of the free ligand and its four complexes.

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Section: Resultsmentioning

confidence: 99%

Section: ■ Experimental Sectionmentioning

confidence: 99%