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Sandwich d/f Heterometallic Complexes [(Ln(hfac)3)2M(acac)3] (Ln = La, Pr, Sm, Dy and M = Co; Ln = La and M = Ru).


ABSTRACT: Sandwich d/f heterometallic complexes [(Ln(hfac)3)2M(acac)3] (Ln = La, Pr, Sm, Dy and M = Co; Ln = La and M = Ru) were prepared in strictly anhydrous conditions reacting the formally unsaturated fragment [Ln(hfac)3] and [M(acac)3] in a 2-to-1 molar ratio. These heterometallic complexes are highly sensitive to moisture. Spectroscopic observation revealed that on hydrolysis, these compounds yield dinuclear heterometallic compounds [Ln(hfac)3M(acac)3], prepared here for comparison purposes only. Quantum mechanical calculations supported, on the one hand, the hypothesis on the geometrical arrangement obtained from ATR-IR and NMR spectra and, on the other hand, helped to rationalize the spontaneous hydrolysis reaction.

SUBMITTER: Grechi C 

PROVIDER: S-EPMC11356967 | biostudies-literature | 2024 Aug

REPOSITORIES: biostudies-literature

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Sandwich d/f Heterometallic Complexes [(Ln(hfac)<sub>3</sub>)<sub>2</sub>M(acac)<sub>3</sub>] (Ln = La, Pr, Sm, Dy and M = Co; Ln = La and M = Ru).

Grechi Cristian C   Carlotto Silvia S   Guelfi Massimo M   Samaritani Simona S   Armelao Lidia L   Labella Luca L  

Molecules (Basel, Switzerland) 20240820 16


Sandwich d/f heterometallic complexes [(Ln(hfac)<sub>3</sub>)<sub>2</sub>M(acac)<sub>3</sub>] (Ln = La, Pr, Sm, Dy and M = Co; Ln = La and M = Ru) were prepared in strictly anhydrous conditions reacting the formally unsaturated fragment [Ln(hfac)<sub>3</sub>] and [M(acac)<sub>3</sub>] in a 2-to-1 molar ratio. These heterometallic complexes are highly sensitive to moisture. Spectroscopic observation revealed that on hydrolysis, these compounds yield dinuclear heterometallic compounds [Ln(hfac)<su  ...[more]

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