Crystallographic characterization of (C5H4SiMe3)3U(BH4)

Cory J Windorff; Justin N Cross; Brian L Scott; Stosh A Kozimor; William J Evans

doi:10.1107/S2056989021002425

Crystallographic characterization of (C₅H₄SiMe₃)₃U(BH₄)

Acta Crystallogr E Crystallogr Commun. 2021 Mar 12;77(Pt 4):383-389. doi: 10.1107/S2056989021002425. eCollection 2021 Apr 1.

Authors

Cory J Windorff^{1

2}, Justin N Cross¹, Brian L Scott¹, Stosh A Kozimor¹, William J Evans²

Affiliations

¹ Los Alamos National Laboratory, Los Alamos, New Mexico 87544, USA.
² Department of Chemistry, University of California, Irvine, California 92697, USA.

Abstract

New syntheses have been developed for the synthesis of (borohydrido-κ³ H)tris-[η⁵-(tri-methyl-sil-yl)cyclo-penta-dien-yl]uranium(IV), [U(BH₄)(C₈H₁₃Si)₃] or Cp'₃U(BH₄) (Cp' = C₅H₄SiMe₃) and its structure has been determined by single-crystal X-ray crystallography. This compound crystallized in the space group P and the structure features three η ⁵-coordinated Cp' rings and a κ ³-coordinated (BH₄)^- ligand.

Keywords: borohydride; crystal structure; cyclopentadienyl compounds; uranium.

Grants and funding

This work was funded by U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Heavy Element Chemistry program grants 2020LANLE372 and DE-SC0004739. U.S. Department of Energy, Office of Science, Office of Workforce Development for Teachers and Scientists, Oak Ridge Institute for Science and Education (ORISE), Office of Science Graduate Student Research (SCGSR) program. grant DE-AC05-06OR23100 to CJW. Los Alamos, Director’s Postdoctoral Fellowship grant . U.S. Department of Energy, NNSA, Triad National Security, LLC grant 89233218CNA000001.