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Open AccessArticle

Synthesis and Fluorescence Properties of a New Heterotrinuclear Co(II)-Ce(III)Complex Constructed from a bis(salamo)-Type Tetraoxime Ligand

1
College of Science, Gansu Agricultural University, Lanzhou 730070, China
2
School of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
*
Authors to whom correspondence should be addressed.
Academic Editors: Wolfgang Beck and Arnaud Gautier
Molecules 2018, 23(4), 804; https://doi.org/10.3390/molecules23040804
Received: 27 February 2018 / Revised: 20 March 2018 / Accepted: 30 March 2018 / Published: 31 March 2018
(This article belongs to the Special Issue Metal Complexes of Biological Ligands)
[Co2(L)Ce(OAc)3(CH3CH2OH)]·1.5CH3OH∙0.5CH2Cl2, a heterotrinuclear Co(II)-Ce(III) bis(salamo)-type complex with a symmetric bi(salamo)-type ligand H4L and an acyclic naphthalenediol moiety, was designed, synthesized and characterized by elemental analyses, FT-IR, UV-Vis and fluorescence spectroscopy and X-ray crystallography. The X-ray crystallographic investigation revealed the heterotrinuclear complex consisted of two Co(II) atoms, one Ce(III) atom, one (L)4‒ unit, three μ2-acetate ions, one coordinated ethanol molecule, one and half crystallization methanol molecule and half crystallization dichloromethane molecule. Two Co(II) atoms located in the N2O2 coordination spheres, are both hexacoordinated, with slightly distorted octahedral geometries. The Ce(III) atom is nine-coordinated and located in the O6 cavity possesses a single square antiprismatic geometry. In addition, supramolecular interactions exist in the Co(II)-Ce(III) complex. Two infinite 2D supramolecular structures are built via intermolecular O–H···O, C–H···O and C–H···π interactions, respectively. View Full-Text
Keywords: bi(salamo)-type ligand; heterotrinuclear complex; synthesis; crystal structure; fluorescence property bi(salamo)-type ligand; heterotrinuclear complex; synthesis; crystal structure; fluorescence property
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MDPI and ACS Style

Pu, L.-M.; Zhao, Q.; Liu, L.-Z.; Zhang, H.; Long, H.-T.; Dong, W.-K. Synthesis and Fluorescence Properties of a New Heterotrinuclear Co(II)-Ce(III)Complex Constructed from a bis(salamo)-Type Tetraoxime Ligand. Molecules 2018, 23, 804. https://doi.org/10.3390/molecules23040804

AMA Style

Pu L-M, Zhao Q, Liu L-Z, Zhang H, Long H-T, Dong W-K. Synthesis and Fluorescence Properties of a New Heterotrinuclear Co(II)-Ce(III)Complex Constructed from a bis(salamo)-Type Tetraoxime Ligand. Molecules. 2018; 23(4):804. https://doi.org/10.3390/molecules23040804

Chicago/Turabian Style

Pu, Lu-Mei; Zhao, Qing; Liu, Ling-Zhi; Zhang, Han; Long, Hai-Tao; Dong, Wen-Kui. 2018. "Synthesis and Fluorescence Properties of a New Heterotrinuclear Co(II)-Ce(III)Complex Constructed from a bis(salamo)-Type Tetraoxime Ligand" Molecules 23, no. 4: 804. https://doi.org/10.3390/molecules23040804

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