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Title: Studies on coordination environment of transition metal chloride anionic speciation of N, N-disulfodiisopropylammonium ionic salts and assessment of their Brønsted-Lewis acidic properties
Authors: Gogoi, Pinky
Boruah, Kabita
Borah, Ruli
Keywords: Brønsted-Lewis acidic;Chlorometallates;Anionic speciation;Transition metal cation;Ammonium cation
Issue Date: Oct-2020
Publisher: NISCAIR-CSIR, India
Abstract: Four ionic salts of N, N-disulfodiisopropylammonium cation with complex anionic speciation of metal chlorides such as [FeCl4]-, [NiCl4]2-, [Zn2Cl6]2-/[Zn4Cl10]2-, [CoCl4]2-/[CoCl3]- have been synthesized and characterized with FTIR, NMR, TGA, Raman and electronic spectra. Comparative Brønsted and Lewis acidic strength of the salts have been assessed for catalytic uses in organic reactions via UV-visible Hammett plot and FTIR spectra using pyridine as probe molecule. Band gap values obtained from Tauc plot present their semiconductor behavior to design ionic liquid-based photo catalysts in future.
Page(s): 1476-1483
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.59A(10) [October 2020]

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