• TASHIKA AGARWAL

      Articles written in Journal of Chemical Sciences

    • Macrocyclic butterfly iron cluster complexes: electrochemical investigations

      TASHIKA AGARWAL SANDEEP KAUR-GHUMAAN

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      The article primarily highlights the electrocatalytic activity towards proton reduction of macrocyclic tetranuclear iron complexes [Fe2(l-S(CH2)nS-l)(CO)6]2 (n = 4, 1 and n = 6, 2) with both acetic acid and trifluoroacetic acid as proton sources. Further, the electrochemical results have been compared with theanalogous pentanedithiolate-bridged tetranuclear complex, [Fe2(l-S(CH2)5S-l)(CO)6]2 A. The turnover frequency (TOF, acetic acid) for complexes 1 and 2 was found to be 5.7 h-1 and 9.1 h-1, respectively. An ECEC catalytic cycle (acetic acid) has been proposed for the tetranuclear iron complexes based on theexperimental data and known literature

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