Structure of trans-Chlorobis(triethylphosphine)(p-fluorophenyldiazene)platinum(II) Perchlorate

Steven D. Ittel, James A Ibers

Research output: Contribution to journalArticlepeer-review

50 Scopus citations

Abstract

The structure of the title compound [Pt(P(C2H5)3)2(MHNNC6H4F)Cl][ClO4] has been determined at room temperature from three-dimensional X-ray data collected by counter methods. The structure has been refined by least-squares techniques to a final R index (on F) of 0.052 based on 4292 observations above background. The material crystallizes in the triclinic space group Ci1-P1 with two molecules in a cell of dimensions a = 9.167 (2) Å, b = 16.983 (3) Å.c = 8.947 (2) Å, α = 91.46 (1)°, β = 96.34 (1)°, and γ = 77.04 (1)°. The platinum atom has square-planar coordination. The cis diazene moiety lies in a plane roughly perpendicular to the coordination plane and its phenyl group is twisted to relieve steric interaction with the diazene proton. The diazene proton, which was refined, also has a close contact with the perchlorate anion. This compound, formed by protonation of an aryldiazonium complex of platinum, is the first aryldiazene complex to be structurally characterized and is an intermediate in a proposed model system for nitrogen fixation.

Original languageEnglish (US)
Pages (from-to)4804-4809
Number of pages6
JournalJournal of the American Chemical Society
Volume96
Issue number15
DOIs
StatePublished - Jul 1 1974

ASJC Scopus subject areas

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

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