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- Title
Synthesis and Fluorescence Properties of a New Heterotrinuclear Co(II)-Ce(III)Complex Constructed from a bis(salamo)-Type Tetraoxime Ligand.
- Authors
Pu, Lu-Mei; Zhao, Qing; Liu, Ling-Zhi; Zhang, Han; Long, Hai-Tao; Dong, Wen-Kui; Beck, Wolfgang; Gautier, Arnaud
- Abstract
[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 <italic>μ</italic>2-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···<italic>π</italic> interactions, respectively.
- Subjects
LIGANDS (Biochemistry); FUNCTIONAL groups; CRYSTALLIZATION; SUPRAMOLECULAR chemistry; MOLECULAR interactions
- Publication
Molecules, 2018, Vol 23, Issue 4, p804
- ISSN
1420-3049
- Publication type
Article
- DOI
10.3390/molecules23040804