Synthesis and Spectral Studies of Zinc Chloride Complexes with Some Acetophenone and 4-Hydroxy-Acetophenone Acylhydrazones
| Autor: | Brajesh K. Singh, Rachana Srivastava, Krishan K. Narang |
|---|---|
| Rok vydání: | 2000 |
| Předmět: |
chemistry.chemical_classification
Coordination sphere Stereochemistry Metal ions in aqueous solution Hydrazone chemistry.chemical_element Zinc Medicinal chemistry Inorganic Chemistry chemistry.chemical_compound chemistry Succinic acid Molecule Orthorhombic crystal system Physical and Theoretical Chemistry Acetophenone |
| Zdroj: | Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry. 30:1175-1192 |
| ISSN: | 1532-2440 0094-5714 |
| DOI: | 10.1080/00945710009351827 |
| Popis: | Zinc(II) complexes of the types [Zn(L)nCl2(H2O)2] and [Zn(L)nCl2]H2O [n = 1 or 2, m = 1,2 and 4 and L = acetophenone or 4-hydroxyacetophenone acylhydrazones of benzoic, isonicotinic, salicylic and 4-aminobenzoic acid hydrazides and oxalic, malonic and succinic acid dihyrazides] were synthesized and characterized by elemental analyses, dehydration studies, molar conductance, infrared. NMR and electronic spectral data and powder X-ray diffraction studies. The ligands coordinate through >C[dbnd]O and >C[dbnd]N groups to the metal ions. The water molecules are in the coordination sphere in case of the 1:1 (metaUigand) complexes and the hydrazones from the dihydrazides act as quadridentate ligands bonding through the >C[dbnd]O and >C[dbnd]N groups. The zinc complexes of acetophenone benzoyl hydrazone and acetophenone oxaloyl dihydrazone, [ZnL2Cl2·H2O, cryastallize in an orthorhombic unit lattice. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|