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Hemi-Directed Co-Ordination Mode of 1D-Polymeric {[Pb2(FcCOO)(η2-FcCOO)(μ2-η2-FcCOO)(μ3-η2-FcCOO)(H2O)] · CH3OH}n Complex: Structural, Electrochemical and Luminescence Properties
One dimensional polymeric lead ferrocenecarboxylate {[Pb2(FcCOO)(η2-FcCOO)(μ2-η2-FcCOO)(μ3-η2-FcCOO)(H2O)] · CH3OH} n (1) has been synthesized from sodium salt of ferrocencarboxylicacid (FcCOONa) and lead perchlorate and further confirmed by single crystal X-ray diffraction studies. The compound 1 has one dimensional polymeric structure and consists of Pb(II) metal ion coordinated with four FcCOO– as monodentate, bidentate, tridentate and tetradentate. Based on the co-ordination environment, Pb(II) ion is classified into two different units, namely Pb(1) and Pb(2). Pb(1) is coordinated with four oxygen atoms from ferrocenecarboxylate and water molecule, whereas in Pb(2) all the six oxygen atoms are from ferrocenecarboxylate alone, which leads Pb(1) with trigonal bipyramidal and Pb(2) with the distorted octahedral geometry. Both Pb(1) and Pb(2) demonstrate hemi-directed mode due to the lone pair electrons in a central metal atom and hence creates a relativistic effect. The electrochemical studies revealed that compound 1 is stable upon oxidation with increased reversibility. In addition, luminescence investigations also revealed that the compound 1 shows enhanced emissions in contrast to the free ligand in liquid state.
Journal | Data powered by TypesetScience of Advanced Materials |
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Publisher | Data powered by TypesetAmerican Scientific Publishers |
ISSN | 1947-2935 |
Open Access | 0 |