Imido-supported borohydrides of titanium, vanadium and molybdenum

Andrey Y. Khalimon, Erik Peterson, Christian Lorber, Lyudmila G. Kuzmina, Judith A.K. Howard, Art Van Der Est, Georgii I. Nikonov

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

New imido bis(borohydride) complexes [(RN=)M(PMe3) 22-BH4)2] [R = Ar, M = Ti (3); R = Ar, M = V (5); R = Ar, M = Mo (6); R = Ar′, M = Mo (7); Ar = 2,6-iPr2C6H3, Ar′ = 2,6-Me 2C6H3] were prepared by the reaction of dichlorides [(RN=)MCl2(PMe3)n] (M = Ti, n = 2; M = V, n = 2, M = Mo, n = 3) with LiBH4 (2 equiv) in THF. Compounds 3, 5, 6 and 7 were studied by IR spectroscopy and X-ray diffraction, and an EPR spectroscopy study was performed for paramagnetic compound 5. In 3, the two borohydride units are orthogonal to each other as a result of the overlap of an antiphase combination of B-H orbitals with the empty dxy orbital of Ti. In contrast, the dxy orbital of the metal atom is singly occupied in 5 and fully occupied in 6 and 7, and both borohydride ligands are oriented in the same way, with the B(μ-H2)M moieties orthogonal to the P-M-P vector.

Original languageEnglish
Pages (from-to)2205-2211
Number of pages7
JournalEuropean Journal of Inorganic Chemistry
Issue number12
DOIs
Publication statusPublished - Apr 1 2013

Keywords

  • Borohydrides
  • Imides
  • Molybdenum
  • Titanium
  • Vanadium

ASJC Scopus subject areas

  • Inorganic Chemistry

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  • Cite this

    Khalimon, A. Y., Peterson, E., Lorber, C., Kuzmina, L. G., Howard, J. A. K., Van Der Est, A., & Nikonov, G. I. (2013). Imido-supported borohydrides of titanium, vanadium and molybdenum. European Journal of Inorganic Chemistry, (12), 2205-2211. https://doi.org/10.1002/ejic.201201351