Synthesis, crystal structure and magnetic properties of o-carboranyl nitronyl nitroxide biradical: A prototype of a three-dimensional analogue of o-benzoquinodimethane

Fumiyasu Iwahori, Yoshikazu Nishikawa, Ken Ichiro Mori, Masahiro Yamashita, Jiro Abe

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We have designed and synthesised a new carborane derivative containing two nitronyl nitroxides. This molecule can be considered as a prototype of a three-dimensional analogue of o-benzoquinodimethane. The magnetic susceptibility of a crystalline sample revealed that this biradical possesses a weak antiferromagnetic interaction ( = -1.05(4) K) and an ESR study in frozen matrix in the 5.4-104 K range gave an intramolecular antiferromagnetic interaction of -27(2) K. The synthesis, physical properties and DFT calculation result are also reported.

Original languageEnglish
Pages (from-to)473-477
Number of pages5
JournalDalton Transactions
Issue number3
DOIs
Publication statusPublished - 2006 Apr 10

ASJC Scopus subject areas

  • Inorganic Chemistry

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