Structural and magnetic properties of semiquinonate based Al(iii) and Ga(iii) complexes

Author:

Das Chinmoy1234,Shukla Pragya1234,Sorace Lorenzo5678ORCID,Shanmugam Maheswaran1234

Affiliation:

1. Department of Chemistry

2. Indian Institute of Technology Bombay

3. Mumbai

4. India

5. Dipartimento di Chimica “U. Schiff” and UdR INSTM

6. Università degli Studi di Firenze

7. 50019 Sesto Fiorentino

8. Italy

Abstract

One electron reduced 3,5-di-t-butyl-o-benzoquinone reacts with anhydrous MCl3 (M = Al or Ga) led us to isolate a Al(iii) dimer and a Ga(iii) monomer which are structurally characterized with the molecular formula of [Al2(μ-HL)2(L˙)4] (1) and [Ga(L˙)3] (2). Detailed magnetic studies reveal that the radicals are coupled ferromagnetically. The EPR studies performed on 1 unequivocally discloses that the dimeric 1 is exists in equilibrium with monomeric [Al(L˙)3].

Publisher

Royal Society of Chemistry (RSC)

Subject

Inorganic Chemistry

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