Synthesis of the PPh4+ and NEt4+ Salts of M(SePh)42 (M = Mn, Fe, Co, Ni) and the Structure of [NEt4]2[Fe(SePh)4].MeCN

Jonathan M. McConnachie, James A. Ibers*

*Corresponding author for this work

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Abstract

The syntheses of the PPh4+ and NEt4+ salts of the M(SePh)42− (M = Mn, Fe, Co, Ni) anions by reaction of the metal chlorides with LiSePh in the presence of the cations are described. [NEt4]2[Fe(SePh)4]-MeCN crystallizes with four formula units in the orthorhombic space group D42-P212121 in a cell of dimensions a = 14.787 (1) Å, b = 16.485 (1) Å, and c = 18.273 (2) Å. Four benzeneselenol ligands provide slightly distorted tetrahedral coordination about the FeII center. The Fe–Se distances average 2.460 (12) Å; the Se-C distances average 1.907 (8) Å. The Se–Fe–Se angles range from 103.6 (1) to 114.9 (1)°. UV-vis and 1H NMR data for the PPh4+ and NEt4+ salts of M(SePh)42− (M = Mn, Fe, Co, Ni) are assigned and discussed.

Original languageEnglish (US)
Pages (from-to)1770-1773
Number of pages4
JournalInorganic chemistry
Volume30
Issue number8
DOIs
StatePublished - Apr 1 1991

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ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

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