Synthesis and structural characterization of cadmium(II) complexes with chelating keto-hydroxy compounds: The X-ray molecular structure of [Cd2(nq)4(H2O)4]·3H2O (nqH = 2-hydroxynaphthoquinone)
| Autor: | Sérgio M. Soares, Davi F. Back, Ernesto Schulz Lang, Maria J. A. Sales, Sebastião S. Lemos |
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| Rok vydání: | 2009 |
| Předmět: |
Thermogravimetric analysis
Cadmium Stereochemistry chemistry.chemical_element Hydroxyanthraquinone Medicinal chemistry Tropolone Inorganic Chemistry NMR spectra database chemistry.chemical_compound chemistry Materials Chemistry Molecule Chelation Physical and Theoretical Chemistry Hydroxynaphthoquinone |
| Zdroj: | Polyhedron. 28:3811-3815 |
| ISSN: | 0277-5387 |
| DOI: | 10.1016/j.poly.2009.08.001 |
| Popis: | The reaction of cadmium(II) acetate dehydrate with the complexing agents tropolone (tropH), 2-hydroxynaphthoquinone (nqH), 1,2-dihydroxyanthraquinone (alizH2), and 1,8-dihydroxyanthraquinone (chryzH2), afforded the complexes [Cd(trop)2] 1, [Cd2(nq)4(H2O)4]·3H2O 2·3H2O, [Cd(alizH)2(H2O)3] 3, and [Cd(chryzH)2(H2O)2] 4, respectively. The X-ray molecular structure of the dinuclear complex 2·3H2O reveals that each cadmium(II) atom is seven-coordinated. The nature of water molecules (lattice or coordinated) was discerned by thermogravimetric studies. The 113Cd NMR spectra were discussed in light of the chemical exchange. |
| Databáze: | OpenAIRE |
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