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Monomeric zinc ferrocene carboxylate [Zn(FcCOO)(3,5-dmp)2Cl] derived from 3,5-dimethylpyrazole: structural, optical, electrochemical and antimicrobial studies
G. Champaka, , E. David, S. Shanmugan,
Published in Elsevier B.V.
2021
Volume: 1228
   
Abstract
Monomeric zinc ferrocene carboxylate [Zn(FcCOO)(3,5-dmp)2Cl] (1) has been synthesized from a reaction between the zinc chloride, sodium salt of ferrocene carboxylic acid (FcCOONa) and 3,5-dimethylpyrazole (3,5-dmp) at room temperature. Compound 1 was further characterized by elemental analysis, 1H NMR, FT-IR, absorption, emission spectroscopic techniques, and molecular structure was confirmed by single-crystal X-ray diffraction studies. The molecular structure of compound 1 crystallized in triclinic system with P1¯ space group and the central Zn2+ ion is in a distorted tetrahedral geometry with –FeN2OCl coordination environment. Compound 1 was further stabilized with the aid of inter and intramolecular hydrogen bonding and π–π interaction between cyclopentadienyl ring of ferrocene and aromatic heterocyclic five membered 3,5-dimethylpyrazole. Compound 1 exhibits broad emission band, indicating ligand-to-metal charger transfer (LMCT) or metal-to-ligand charger transfer (MLCT) nature. The electrochemical property of compound 1 revealed that one-electron anodic and cathodic peaks corresponding to the redox responsible of ferrocene/ferrocenium (FeII↔FeIII) moiety. Among the different strains of bacteria, the antibacterial activity of compound 1 showed comparatively a significant activity against gram negative bacterium Proteus vulgaris. © 2020
About the journal
JournalData powered by TypesetJournal of Molecular Structure
PublisherData powered by TypesetElsevier B.V.
ISSN00222860