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Crystals 2018, 8(3), 139; https://doi.org/10.3390/cryst8030139

Structurally Characterized Solvent-Induced Homotrinuclear Cobalt(II) N2O2-Donor Bisoxime-Type Complexes

School of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
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Received: 22 February 2018 / Revised: 13 March 2018 / Accepted: 15 March 2018 / Published: 19 March 2018
(This article belongs to the Section Crystal Engineering)
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Abstract

Four new solvent-induced Co(II) complexes with chemical formulae [{CoL(μ2-OAc)(MeOH)}2Co] (1), [{CoL(μ2-OAc)(EtOH)}2Co] (2), [{CoL(μ2-OAc)(Py)}2Co] (3) and [{CoL(μ2-OAc)(DMF)}2Co] (4) (H2L = 4-nitro-4′-chloro-2,2′-[(1,3-propylene)dioxybis(nitrilomethylidyne)]diphenol) have been synthesized and characterized by elemental analyses, FT–IR, UV–Vis spectra and single-crystal X-ray diffraction. Each of the prepared complexes, crystallizing in the space groups P–1 (1 and 4), P21/n (2) and P21/c (3), consists of three Co(II) atoms, two completely deprotonated (L)2− units, two μ2-acetato ligands and two coordinated solvent molecules. Although the four complexes 14 were synthesized in different solvents, it is worthwhile that the Co(II) atoms in the four complexes 14 adopt hexa–coordinated with slightly distorted octahedral coordination geometries, and the ratio of the ligand H2L to Co(II) atoms is 2:3. The complexes 24 possess a self-assembled infinite 1D, 2D and 1D supramolecular structures via the intermolecular hydrogen bonds, respectively. Magnetic measurement was performed in the complex 3. View Full-Text
Keywords: N2O2-donor bisoxime-type complex; synthesis; structure; solvent effect; magnetic property N2O2-donor bisoxime-type complex; synthesis; structure; solvent effect; magnetic property
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Dong, X.-Y.; Kang, Q.-P.; Li, X.-Y.; Ma, J.-C.; Dong, W.-K. Structurally Characterized Solvent-Induced Homotrinuclear Cobalt(II) N2O2-Donor Bisoxime-Type Complexes. Crystals 2018, 8, 139.

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