Spin crossover in a four-coordinate iron(II) complex

Jeremiah J. Scepaniak, T. David Harris, Carola S. Vogel, Jörg Sutter, Karsten Meyer*, Jeremy M. Smith

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

87 Scopus citations


The four-coordinate iron(II) phosphoraniminato complex PhB(MesIm) 3Fe-N=PPh3 undergoes an S = 0 to S = 2 spin transition with TC = 81 K, as determined by variable-temperature magnetic measurements and Mössbauer spectroscopy. Variable-temperature single-crystal X-ray diffraction revealed that the S = 0 to S = 2 transition is associated with an increase in the Fe-C and Fe-N bond distances and a decrease in the N-P bond distance. These structural changes have been interpreted in terms of electronic structure theory.

Original languageEnglish (US)
Pages (from-to)3824-3827
Number of pages4
JournalJournal of the American Chemical Society
Issue number11
StatePublished - Mar 23 2011

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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