Structural diversity in the borohydrido lanthanides series: first isolation and X Ray crystal structure of ionic [Sm(BH4)2(THF)5]+[Cp*'Sm(BH4)3]-

Fanny Bonnet (1) , Marc Visseaux (2) , Abderrafia Hafid (3) , Denise Barbier-Baudry (1) , Marek M Kubicki (1) , Estelle Vigier (1)

1 LSEO - Laboratoire de Synthèse et Electrosynthèse Organométalliques
2 UCCS - Unité de Catalyse et Chimie du Solide - UMR 8181
3 Département de Chimie et Environnement

Two new borohydrido complexes of samarium were prepared: [Sm(BH4)2(THF)5]+[Cp*'Sm(BH4)3]- (1) and Cp*'2Sm(BH4)(THF) (3) (Cp*' = C5Me4nPr). X Ray studies revealed that 1 displays an unprecedented ionic structure comprising a half samarocene moiety, whereas 3 is monomeric and bears a terminal BH4 ligand.

Mots clés: Samarium; Borohydride; Early lanthanides; Monocyclopentadienyl

Domaines: Chimie de coordination; Cristallographie

Fanny Bonnet, Marc Visseaux, Abderrafia Hafid, Denise Barbier-Baudry, Marek M Kubicki, et al.. Structural diversity in the borohydrido lanthanides series: first isolation and X Ray crystal structure of ionic [Sm(BH4)2(THF)5]+[Cp*'Sm(BH4)3]-. Inorganic Chemistry Communications, 2007, 10, pp.690. ⟨10.1016/j.inoche.2007.03.005⟩. ⟨hal-00265075⟩