Tetra-, Penta- and Hexa-Coordinated Transition Metal Complexes Constructed from Coumarin-Containing N2O2 Ligand
Three newly designed complexes, [Cu(L)]·CHCl3 (1), [Co(L)(MeOH)]·CHCl3 (2) and [{Ni(L)(MeOH)(PhCOO)}2Ni] (3) a coumarin-containing Salamo-type chelating ligand (H2L) have been synthesized and characterized by elemental analyses, IR and UV-VIS spectra, and X-ray crystallography. Complex 1 includes on...
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doaj-10a3fd6dee254d799aede47acad14ab92020-11-24T21:34:24ZengMDPI AGCrystals2073-43522018-02-01827710.3390/cryst8020077cryst8020077Tetra-, Penta- and Hexa-Coordinated Transition Metal Complexes Constructed from Coumarin-Containing N2O2 LigandLei Gao0Chang Liu1Fei Wang2Wen-Kui Dong3School of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, ChinaSchool of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, ChinaSchool of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, ChinaSchool of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, ChinaThree newly designed complexes, [Cu(L)]·CHCl3 (1), [Co(L)(MeOH)]·CHCl3 (2) and [{Ni(L)(MeOH)(PhCOO)}2Ni] (3) a coumarin-containing Salamo-type chelating ligand (H2L) have been synthesized and characterized by elemental analyses, IR and UV-VIS spectra, and X-ray crystallography. Complex 1 includes one Cu(II) atom, one completely deprotonated (L)2− unit and one crystalling chloroform molecule, the Cu(II) atom shows a square-planar geometry. Complex 2 includes one Co(II) atom, one completely deprotonated (L)2− unit, one coordinated methanol molecule and one crystalling chloroform molecule. The Co(II) atom is a distorted trigonal-bipyramidal geometry. While complex 3 includes three Ni(II) atoms, two completely deprotonated (L)2− units, two benzoates and two coordinated methanol molecules. The complexes 1 and 2 are both possess three-dimensional supra-molecular structures by abundant noncovalent interactions. But, complex 3 formed a two-dimensional supra-molecular structure by intra-molecular hydrogen bonds. In addition, the antimicrobial and fluorescence properties of H2L and its complexes 1, 2 and 3 were also investigated.http://www.mdpi.com/2073-4352/8/2/77coumarin-containing N2O2 ligandcomplexsynthesiscrystal structureproperty |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Lei Gao Chang Liu Fei Wang Wen-Kui Dong |
spellingShingle |
Lei Gao Chang Liu Fei Wang Wen-Kui Dong Tetra-, Penta- and Hexa-Coordinated Transition Metal Complexes Constructed from Coumarin-Containing N2O2 Ligand Crystals coumarin-containing N2O2 ligand complex synthesis crystal structure property |
author_facet |
Lei Gao Chang Liu Fei Wang Wen-Kui Dong |
author_sort |
Lei Gao |
title |
Tetra-, Penta- and Hexa-Coordinated Transition Metal Complexes Constructed from Coumarin-Containing N2O2 Ligand |
title_short |
Tetra-, Penta- and Hexa-Coordinated Transition Metal Complexes Constructed from Coumarin-Containing N2O2 Ligand |
title_full |
Tetra-, Penta- and Hexa-Coordinated Transition Metal Complexes Constructed from Coumarin-Containing N2O2 Ligand |
title_fullStr |
Tetra-, Penta- and Hexa-Coordinated Transition Metal Complexes Constructed from Coumarin-Containing N2O2 Ligand |
title_full_unstemmed |
Tetra-, Penta- and Hexa-Coordinated Transition Metal Complexes Constructed from Coumarin-Containing N2O2 Ligand |
title_sort |
tetra-, penta- and hexa-coordinated transition metal complexes constructed from coumarin-containing n2o2 ligand |
publisher |
MDPI AG |
series |
Crystals |
issn |
2073-4352 |
publishDate |
2018-02-01 |
description |
Three newly designed complexes, [Cu(L)]·CHCl3 (1), [Co(L)(MeOH)]·CHCl3 (2) and [{Ni(L)(MeOH)(PhCOO)}2Ni] (3) a coumarin-containing Salamo-type chelating ligand (H2L) have been synthesized and characterized by elemental analyses, IR and UV-VIS spectra, and X-ray crystallography. Complex 1 includes one Cu(II) atom, one completely deprotonated (L)2− unit and one crystalling chloroform molecule, the Cu(II) atom shows a square-planar geometry. Complex 2 includes one Co(II) atom, one completely deprotonated (L)2− unit, one coordinated methanol molecule and one crystalling chloroform molecule. The Co(II) atom is a distorted trigonal-bipyramidal geometry. While complex 3 includes three Ni(II) atoms, two completely deprotonated (L)2− units, two benzoates and two coordinated methanol molecules. The complexes 1 and 2 are both possess three-dimensional supra-molecular structures by abundant noncovalent interactions. But, complex 3 formed a two-dimensional supra-molecular structure by intra-molecular hydrogen bonds. In addition, the antimicrobial and fluorescence properties of H2L and its complexes 1, 2 and 3 were also investigated. |
topic |
coumarin-containing N2O2 ligand complex synthesis crystal structure property |
url |
http://www.mdpi.com/2073-4352/8/2/77 |
work_keys_str_mv |
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