Supramolecular complexes of Co(II), Ni(II) and Zn(II) p-hydroxybenzoates with caffeine: Synthesis, spectral characterization and crystal structure

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dc.authoridHokelek, Tuncer -- 0000-0002-8602-4382; Ozturkkan, Fureya Elif -- 0000-0001-6376-4161
dc.contributor.authorTaşdemir, Erdal
dc.contributor.authorÖzbek, Elif
dc.contributor.authorSertçelik, Mustafa
dc.contributor.authorHökelek, Tuncer
dc.contributor.authorÇelik Çatak, Raziye
dc.contributor.authorNecefo?lu, Hacali
dc.date.accessioned13.07.201910:50:10
dc.date.accessioned2019-07-29T19:28:00Z
dc.date.available13.07.201910:50:10
dc.date.available2019-07-29T19:28:00Z
dc.date.issued2016
dc.departmentBilimsel ve Teknolojik Uygulama ve Araştırma Merkezi
dc.description.abstractThree novel complexes Co(II), Ni(II) and Zn(II) containing p-hydroxybenzoates and caffeine ligands were synthesized and characterized by elemental analysis, FT-IR and UV-vis Spectroscopy, molar conductivity and single crystal X-ray diffraction methods. The thermal properties of the synthesized complexes were investigated by TGA/DTA. The general formula of the complexes is [M(HOC6H4COO)(2)(H2O)(4)]center dot 2(C8H10N4O2)center dot 8H(2)O (where: M: Co, Ni and Zn). The IR studies showed that carboxylate groups of p-hydroxybenzoate ligands have monodentate coordination mode. The M2+ ions are octahedrally coordinated by two p-hydroxybenzoate ligands, four water molecules leading to an overall MO6 coordination environment. The medium-strength hydrogen bondings involving the uncoordinated caffeine ligands and water molecules, coordinated and uncoordinated water molecules and p-hydroxybenzoate ligands lead to three-dimensional supramolecular networks in the crystal structures.
dc.identifier.doi10.1016/j.molstruc.2016.05.006
dc.identifier.endpage478en_US
dc.identifier.issn0022-2860
dc.identifier.issn1872-8014
dc.identifier.scopusqualityQ1
dc.identifier.startpage472en_US
dc.identifier.urihttps://doi.org/10.1016/j.molstruc.2016.05.006
dc.identifier.urihttps://hdl.handle.net/20.500.12451/5968
dc.identifier.volume1119en_US
dc.identifier.wosWOS:000378360000056
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherELSEVIER SCIENCE BV
dc.relation.ispartofJOURNAL OF MOLECULAR STRUCTURE
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectMetal Complex
dc.subjectP-hydroxybenzoic Acid
dc.subjectCaffeine
dc.subjectX-ray Diffraction
dc.subjectSupramolecular Framework
dc.titleSupramolecular complexes of Co(II), Ni(II) and Zn(II) p-hydroxybenzoates with caffeine: Synthesis, spectral characterization and crystal structure
dc.typeArticle

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