Crystal structure of bis(tetraphenyl-phosphonium) bis(cyanido-κC)-(29H, 31H-tetrabenzo[b,g,l,q]porphinato-κ4N29,N30,N31,N32)ferrate(II) acetone disolvate

Miki Nishi, Masaki Matsuda, Norihisa Hoshino, Tomoyuki Akutagawa, M. Weil

Research output: Contribution to journalArticlepeer-review

Abstract

The crystal structure of the title compound, (C24H20P)2[Fe(C36H20N4)(CN)2]·2C3H6O, is constructed from a tetrahedral Ph4P+ (tetraphenylphosphonium) cation, one [Fe(tbp)(CN)2]2- anion (tbp = tetrabenzoporphyrin in its doubly deprotonated form), located on a centre of inversion, and an acetone molecule as crystallization solvent. Since the molecular structure of the M(tbp) moiety is insensitive to the kind of metal ion and its oxidation state, bond lengths and angles in the [Fe(tbp)(CN)2]2- anion are similar to those in other M(tbp) compounds. The Fe2+ ion, located on a centre of inversion, is coordinated by four N atoms of tpb in the equatorial plane and by two C atoms of the cyanide anion at axial positions in a slightly distorted octahedral configuration. The packing is stabilized by C - H⋯N interactions between the Ph4P cation and the CN ligand of the [Fe(tbp)(CN)2]2-anion, and by C - H⋯π interactions between the Ph4P+ cation, acetone solvent molecules and the [Fe(tbp)(CN)2]2-anion.

Original languageEnglish
Pages (from-to)m48-m49
JournalActa Crystallographica Section E: Structure Reports Online
Volume71
Issue number2
DOIs
Publication statusPublished - 2015 Feb 1

Keywords

  • C - - H⋯πinteractions
  • C - H⋯N interactions
  • Crystal structure
  • Iron(II) complex
  • Tetrabenzoporphine

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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