A well-defined magnesium complex of C706-

Samuel Lawrence, Nikita Demidov, C. Andre Ohlin, David Bradford Cordes, Alexandra Martha Zoya Slawin, Andreas Stasch*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Controlling and understanding charge state and metal coordination in carbon nanomaterials is crucial to harnessing their unique properties. Here we describe the synthesis of the well-defined fulleride complex [{(Mesnacnac)Mg}6C70], 2, (Mesnacnac) = HC(MeCNMes)2, Mes = 2,4,6-Me3C6H2, from the reaction of the β-diketiminate magnesium(I) complex [{(Mesnacnac)Mg}2] with C70 in aromatic solvents. The molecular structure of complex 2 was determined, providing the first high-quality structural study of a complex with the C706- ion. In combination with solution state NMR spectroscopic and DFT computational studies, the changes in geometry and charge distribution in the various atom and bond types of the fulleride unit were investigated. Additionally, the influence of the (Mesnacnac)Mg+ cations on the global and local fulleride coordination environment was examined.
Original languageEnglish
Article numbere202402364
Number of pages9
JournalChemistry - A European Journal
Volume30
Issue number53
Early online date3 Sept 2024
DOIs
Publication statusPublished - 19 Sept 2024

Keywords

  • Alkaline earth metals
  • Carbon nanomaterials
  • Fulleride
  • Magnesium(I) complexes
  • Subvalent compounds

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