Assembly, Fluorescent and Adsorption Properties of Two Cadmium(II)/Cobalt(II) Coordination Complexes Functionalized by the Flexible Bis(Pyridyl)-bis(Amide) Ligand

A new cadmium(II) and a new cobalt(II) coordination complexes [Cd 5 (BTB) 4 (HL) 2 ]·2H 2 O ( 1 ) and [Co(HBTB)(L)]·2H 2 O ( 2 ) [H 3 BTB = 1,3,5-tri(4-carboxylphenyl)benzene, L =  N,N′ -bis(3-pyridyl)octandiamide] were prepared under the solvothermal conditions by the assembly of cadmium(II)/cobalt...

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Bibliographic Details
Published in:Journal of inorganic and organometallic polymers and materials 2018-09, Vol.28 (5), p.1810-1820
Main Authors: Lin, HongYan, Cui, ZiWei, Tian, Yuan, Wang, Xiang, Liu, GuoCheng
Format: Article
Language:English
Subjects:
Adsorption
Assembly
Benzene
Cadmium
Chains
Chemistry
Chemistry and Materials Science
Cobalt
Coordination compounds
Fluorescence
Hydrogen bonding
Infrared analysis
Infrared spectroscopy
Inorganic Chemistry
Ligands
Organic Chemistry
Polymer Sciences
Single crystals
Topology
X ray powder diffraction
X-ray diffraction
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Summary:A new cadmium(II) and a new cobalt(II) coordination complexes [Cd 5 (BTB) 4 (HL) 2 ]·2H 2 O ( 1 ) and [Co(HBTB)(L)]·2H 2 O ( 2 ) [H 3 BTB = 1,3,5-tri(4-carboxylphenyl)benzene, L =  N,N′ -bis(3-pyridyl)octandiamide] were prepared under the solvothermal conditions by the assembly of cadmium(II)/cobalt(II) chloride, the flexible bis(pyridyl)-bis(amide) ligand L and the aromatic tricarboxylic acid H 3 BTB. The structures of complexes 1 – 2 have been characterized by X-ray single crystal diffraction analyses, infrared spectroscopy (IR), powder X-ray diffraction (PXRD) and thermogravimetric (TG) analyses. Complex 1 is a 3D metal–organic network with the penta-nodal (2,4,4,5,6)-connected {4·6 3 ·8·10} 2 {4 2 ·6 5 ·8 3 } 2 {4 3 ·6 3 } 2 {4 6 ·8 9 }{6} 2 topology constructed from the 3D [Cd 5 (BTB) 4 ] n 2n− coordiantion framework and the protonated HL ligands. Complex 2 displays a binodal (4,4)-connected {6 4 ·8·10}{6} topological 2D layered architecture based on the 1D [Co(HBTB)] n chains and the 1D [CoL] n chains, which are further linked by hydrogen bonding interactions to form a 3D supramolecular network. Moreover, the fluorescent properties of the cadmium(II) complex and the dyes adsorption performances of complexes 1 – 2 have been studied.
ISSN:1574-1443
1574-1451
DOI:10.1007/s10904-018-0829-4