Control of assembly and magnetism of metal-dmit complexes by supramolecular cations

Tomoyuki Akutagawa, Takayoshi Nakamura

Research output: Contribution to journalArticlepeer-review

78 Citations (Scopus)

Abstract

The assembly of monovalent species of [Ni(dmit)2] (dmit2- = 2-thioxo-1,3-dithiole-4,5-dithiolate), which bear S = 1/2 spin on each molecule, was controlled by using crown-ether based supramolecular cations. We could regulate the shape and valence of the supramolecular cations by changing the ring size of the crown ethers as well as the metal cations included. Since the structure of the ionic crystals is mainly determined by the Madelung energy and the Lennard-Jones potential (shape of molecules), a large diversity in crystal structure was observed. A relationship between the overlap of [Ni(dmit)2] frontier orbitals and the magnetism is discussed.

Original languageEnglish
Pages (from-to)3-9
Number of pages7
JournalCoordination Chemistry Reviews
Volume226
Issue number1-2
DOIs
Publication statusPublished - 2002
Externally publishedYes

Keywords

  • Crown ethers
  • Molecular magnets
  • Ni(dmit)
  • Supramolecular cations

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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