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Variable nuclearity scorpionate-supported lanthanide polyhydrides: [(TpR,R′)LnH2]n(n = 3, 4 and 6)

Authors
Journal
Journal of Organometallic Chemistry
0022-328X
Publisher
Elsevier
Publication Date
Volume
695
Identifiers
DOI: 10.1016/j.jorganchem.2010.08.020
Keywords
  • Lanthanides
  • Hydride Ligands
  • Hydrotris(Pyrazolyl)Borate – “Scorpionate” Ligands
  • Clusters
  • Lanthanide–Carbon Bond
  • Hydrogenolysis
Disciplines
  • Chemistry

Abstract

Abstract The synthesis and chemistry of monoligand lanthanide dihydrides, LLnH 2, is a very active current area of research. Herein we summarize the status of our contributions utilizing various scorpionates, Tp R,R′, as protective ancillary ligands and show that the nuclearity of the so obtained hydride clusters depends on the size of the scorpionate ligands and, in one instance, the solvent used in the synthesis. Following brief consideration of the synthesis of the various precursor dialkyl complexes, (Tp R,R′)Ln(CH 2SiMe 3) 2(THF) 1/0, the solid-state structures of the hydride clusters, [(Tp R,R′)LnH 2] n (R, R′ = Me, Ln = Nd, Sm, Y, Yb and Lu, n = 4; R, R′ = H, Ln = Y, Yb and Lu, n = 6; R, R′ = i Pr, Ln = Y and Lu, n = 3), obtained via hydrogenolysis, are described.

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