Journal
JOURNAL OF COORDINATION CHEMISTRY
Volume 62, Issue 2, Pages 249-256Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00958970802203774
Keywords
Spectroscopic studies; Crystal structure; Lead(II) complex; Intermolecular interactions
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Funding
- Payame Noor University
- Malaysian Government
- Universiti Sains Malaysia [304/PFIZIK/653003/A118]
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Four new mixed-ligand complexes of lead(II) hexafluoroacetylacetonate (hfa) were synthesized and characterized by elemental analyses, IR, 1H and 13C NMR spectroscopy. The single-crystal structure of [Pb2(phen)4(hfa)2(-NO3)2] (1) shows the complex to be a dimeric unit as a result of nitrate bridging. The coordination number of Pb(II) is eight with four N-donors from a phen and four O-donors from the hexafluoroacetylacetonate and nitrate ligands. This dimeric complex is the first fluorine -diketonate and nitrate mixed-ligand lead(II) complex that has been characterized by X-ray structural analysis. The supramolecular features in this complex are controlled by weak directional intermolecular interactions and aromatic - stacking interactions.
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