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Preparation and spectroscopic studies of charge-transfer complexes of 2, 2-bipyridine and hydroxy benzo pyridine as electron donors with chloranilic acid, 3, 5 di nitro benzoic acid and p-nitro phenol as electron acceptors in methanol


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1 Department of Chemistry, Aligarh Muslim University, Aligarh
     

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The reactions between 2,2 bipyridine (Bpy) and hydroxy benzo pyridine (8HQ) as electron donors with some acceptors such as chloranilic acid (CAA), 3, 5 di nitro benzoic acid (DNBA) and p-nitro phenol (PNP) were studied at room temperature. Based on FT- IR spectrum of the solid CT complexes along with the UV- visible spectroscopy for the reactions, the data obtained indicate the formation of 1:1 charge-transfer complexes. The infrared and 1H NMR spectroscopic data and XRD spectrum indicate a charge-transfer interaction associated with a proton migration from the acceptor to the donor followed by intermolecular hydrogen bonding

Keywords

Charge- Transfer Complexes, 2, 2 Bipyridine, Hydroxy Benzo Pyridine, FT- IR, UV- Visible, 1H NMR, XRD
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  • Preparation and spectroscopic studies of charge-transfer complexes of 2, 2-bipyridine and hydroxy benzo pyridine as electron donors with chloranilic acid, 3, 5 di nitro benzoic acid and p-nitro phenol as electron acceptors in methanol

Abstract Views: 231  |  PDF Views: 2

Authors

Afaq Ahmad
Department of Chemistry, Aligarh Muslim University, Aligarh
Abdulsatar Abduljabbar Rzokee
Department of Chemistry, Aligarh Muslim University, Aligarh

Abstract


The reactions between 2,2 bipyridine (Bpy) and hydroxy benzo pyridine (8HQ) as electron donors with some acceptors such as chloranilic acid (CAA), 3, 5 di nitro benzoic acid (DNBA) and p-nitro phenol (PNP) were studied at room temperature. Based on FT- IR spectrum of the solid CT complexes along with the UV- visible spectroscopy for the reactions, the data obtained indicate the formation of 1:1 charge-transfer complexes. The infrared and 1H NMR spectroscopic data and XRD spectrum indicate a charge-transfer interaction associated with a proton migration from the acceptor to the donor followed by intermolecular hydrogen bonding

Keywords


Charge- Transfer Complexes, 2, 2 Bipyridine, Hydroxy Benzo Pyridine, FT- IR, UV- Visible, 1H NMR, XRD

References