| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Fischer, Roland C.
Graz University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (36/36 displayed)
- 2024Synthesis and Characterization of Alkali Metal Hypersilyl Borates
- 2023Dinuclear doubly bridged phenoxido copper(II) complexes as efficient anticancer agentscitations
- 2023Silicon and Germanium Functionalized Perylene Diimides – Synthesis, Optoelectronic Properties, and their Application as Non-Fullerene Acceptors in Organic Solar Cellscitations
- 2023Synthesis and Characterization of 3-Aminopropyl-phenyl Germanescitations
- 2023Structure and magnetic characterization of some bicompartmental [N6O2] divalent metal(ii) complexes using bis(phenolato) ligands bearing two pendant bis(pyridyl) amine arms
- 2023Magnetostructural Properties of Some Doubly-Bridged Phenoxido Copper(II) Complexescitations
- 2023Copper(II) and zinc(II) complexes bridged by benzenoid aromatic oxocarbon and dicarboxylate dianionscitations
- 2021Synthesis, crystal structures, spectral, magnetic and thermal properties of 1-D polymeric dicyanamido-metal(II) complexescitations
- 2021Identification of potent anticancer copper(ii) complexes containing tripodal bis[2-ethyl-di(3,5-dialkyl-1H-pyrazol-1-yl)]amine moietycitations
- 2021Syntheses, structural characterization, and thermal behaviour of metal complexes with 3-aminopyridine as co-ligandscitations
- 2020Synthesis and characterization of zinc di(O-2,2-dimethylpentan-3-yl dithiocarbonates) bearing pyridine or tetramethylethylenediamine coligands and investigation of their thermal conversion mechanisms towards nanocrystalline zinc sulfidecitations
- 2020Polynuclear and coordination polymers of copper(II) complexes assembled by flexible polyamines and bridging rigid N-heterocyclic multicarboxylatescitations
- 2019Azido-cobalt(II) coordination polymers exhibiting slow magnetic relaxation and metamagnetic transitioncitations
- 2019Structure, DFT Calculations, and Magnetic Characterization of Coordination Polymers of Bridged Dicyanamido-Metal(II) Complexescitations
- 2019Synthesis and characterization of 1D coordination polymers of metal(II)-dicyanamido complexescitations
- 2019Thiocyanato-metal(II) and azido-cobalt(III) complexes with hydroxymethylpyridinescitations
- 2017Synthesis, structural characterization and magnetic properties of polymeric azido Mn(II) complexes based on methyl-pyridine-N-oxide co-ligandscitations
- 2017Synthesis, crystal structures, spectral and magnetic properties of 1-D polymeric dicyanamido-metal(II) complexescitations
- 2017Pyridyl and triazole ligands directing the assembling of zinc(II) into coordination polymers with different dimensionality through azides.citations
- 2016Synthesis, characterization and luminescent properties of polymeric cadmium(II) bridged-thiocyanato and mononuclear thiocyanato-zinc(II) complexes of pyridine-N-oxide derativescitations
- 2016Dinuclear metal(II)-acetato complexes based on bicompartmental 4-chlorophenolate: syntheses, structures, magnetic properties, DNA interactions and phosphodieser hydrolysiscitations
- 2016Synthesis and characterization of polymeric azido Zn(II) and Ni(II) complexes based on 3-hydroxypyridinecitations
- 2016Coordination polymers of azido and thiocyanato Cd(II) and Zn(II) complexes based on 2,6-luidine-N-oxide. Synthesis, characterization and luminescen propertiescitations
- 2016Metal(II) complexes of compartmental polynuclear schiff bases containing phenolate and alkoxy groups.citations
- 2016Synthesis, characterization and luminescence properties of zinc(II) and cadmium(II) pseudohalide complexes derived from quinoline-N-oxide.citations
- 2015Influence of co-ligands in synthesis, photoluminescence behavior and catalytic activities of zinc complexes of 2-((E)-((pyridin-2-yl)methylimino)methyl)phenol.citations
- 2015Magnetic and structural properties of dinuclear singly bridged-phenoxido metal(II) complexes.citations
- 2015Synthesis, characterization and luminescence properties of zinc(II) complexes of pseudohalides and nitrite derived from 4-azidopyridinecitations
- 2015Synthesis and characterization of three new 1-D polymeric [M2(4-azidopyridine)4(μ1,1-N3)2(μ1,3-N3)2]n (M = Ni, Co, Cd) complexes.citations
- 2015Five-coordinate metal(II) complexes based pyrazolyl ligands.citations
- 2015Synthesis and characterization of five new thiocyanato- and cyanato-metal(II) complexes with 4-azidopyridine as co-ligandcitations
- 2014Stable Silenolates and Brook-Type Silenes with Exocyclic Structurescitations
- 2014Photoinduced Brook-type Rearrangement of Acylcyclopolysilanescitations
- 2014Thermal aging of electrolytes used in lithium-ion batteries – An investigation of the impact of protic impurities and different housing materialscitations
- 2013Synthesis and Properties of Bridgehead-Functionalized Permethylbicyclo[2.2.2]octasilanescitations
- 2009Immobilization of biomolecules on soluble and insoluble polymers.
Places of action
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article
Copper(II) and zinc(II) complexes bridged by benzenoid aromatic oxocarbon and dicarboxylate dianions
Abstract
<p>A novel series of Cu(II) and Zn(II) complexes were constructed through the bridging croconate (C<sub>5</sub>O<sub>5</sub>)<sup>2−</sup>, squarate (C<sub>4</sub>O<sub>4</sub>)<sup>2−</sup> and 2,5-pyridine-dicarboxylate (Py<sup>2,5-dc</sup>)<sup>2−</sup> dianions. These include pent- [Cu<sub>5</sub>(epdmpy)<sub>4</sub>(C<sub>5</sub>O<sub>5</sub>)<sub>2</sub>(H<sub>2</sub>O)<sub>6</sub>](ClO<sub>4</sub>)<sub>6</sub>‧12H<sub>2</sub>O (1) and tri-nuclear [Cu<sub>3</sub>(bepza)<sub>2</sub>(Py<sup>2,5-dc</sup>)<sub>2</sub>(ClO<sub>4</sub>)<sub>2</sub>(H<sub>2</sub>O)<sub>2</sub>]‧2H<sub>2</sub>O (4), dinuclear [Zn<sub>2</sub>(MeDPA)<sub>2</sub>(C<sub>4</sub>O<sub>4</sub>)(H<sub>2</sub>O)<sub>4</sub>](ClO<sub>4</sub>)<sub>2</sub> (7), and 1-D- coordination polymers (CPs) catena-{[Cu<sub>2</sub>(bpzpy)<sub>2</sub>(C<sub>5</sub>O<sub>5</sub>)](ClO<sub>4</sub>)<sub>2</sub>‧MeOH} (2) and catena-{[Zn(4,4′-bipy)(H<sub>2</sub>O)<sub>4</sub>](C<sub>5</sub>O<sub>5</sub>)(H<sub>2</sub>O)} (6) as well as the mononuclear [Cu(HBph<sup>2,2′-dc</sup>)(pmdien)]ClO<sub>4</sub> (5) have been synthesized and spectroscopically characterized as well as by single crystal X-ray crystallography. The reaction of aqueous solution Cu(ClO<sub>4</sub>)<sub>2</sub>, pymeea and C<sub>5</sub>O<sub>5</sub><sup>2−</sup> resulted in the unprecedently bis(oxalato) [Cu<sub>2</sub>(Pymeea)<sub>2</sub>(C<sub>2</sub>O<sub>4</sub>)(ClO<sub>4</sub>)<sub>2</sub>(H<sub>2</sub>O)<sub>2</sub>] (3). In these complexes, (C<sub>5</sub>O<sub>5</sub>)<sup>2−</sup>, squarate (C<sub>4</sub>O<sub>4</sub>)<sup>2−</sup> and (Py<sup>2,5-dc</sup>)<sup>2−</sup> ligands display a variety of coordination bonding modes. In complexes 1 and 2 the croconato is binding as 1,2-bidentate-3-monodentate but in addition 5-mono-dentate semi-coordinate bonding was detected for 2, whereas in 6 as counter dianion. The bonding mode in the squarato 7 was achieved through the trans μ<sub>1,3</sub>-mono-dentate. In the di-carboxylato compounds, only five-membered chelate ring was formed in 5 via one of the carboxylate groups, whereas in 4 bridging was conducted through a mono-carboxylate and five-membered chelate ring including the second carboxylate and pyridyl nitrogen. In complexes 1–5 and 7, hydrogen bonds of type O–H⋯O and/or N–H⋯O are connecting the complex cations with the perchlorate anions/ligands to generate different dimensional supramolecular network structures, whereas in 6, the 3D network was formed through hydrogen bonding between the coordinated aqua and lattice water molecules. Non-covalent ring⋯ring interactions were also observed between pyridyl rings in complexes 1, 6 and 7, and between pyrazolyl rings as well as pyridyl ring in 2.</p>