The Structure of Bis(triphenylphosphine)(dibenzoylhydrazido)platinum, Pt[P(C6H5)3]2[C6H5CONNCOC6H5]-C2H5OH

Steven D. Ittel, James A Ibers*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

51 Scopus citations

Abstract

The compound bis(triphenylphosphine)(dibenzoylhydrazido)platinum crystallizes from dichloromethane-ethanol as the solvated species Pt[P(C6H5)3]2[C6H5CONNCOC6H5]C2H5OH. The structure of this complex has been determined from three-dimensional X-ray data collected by counter methods. The compound crystallizes in the triclinic space group Ci1-P1 with cell dimensions a = 13. 329 (6), b = 15. 312 (7), c= 12. 466 (5) Å; α = 99. 95 (2), β= 113. 60 (2), γ = 97. 78 (2)°. Observed and calculated densities for two molecules per unit cell are 1. 45 (±0. 02) and 1. 49 g cm-3, respectively. Least-squares refinement has led to a final value of the conventional R index (on F) of 0. 037 for the 3906 reflections having F2 > 3σ(F2). The coordination around the platinum atom is distorted square planar. The dibenzoylhydrazide, acting as a bidentate ligand, coordinates through an oxygen atom and a nitrogen atom, resulting in a five-membered, Pt-N(2)-N(1)-C(1)-O(1), ring. The Pt-O(1) distance is 2. 016 (5) Å and the Pt-N(2) distance is 2. 047 (6) Å. The Pt-P distances trans to O(1) and N(2) are 2. 258 (2) and 2. 268 (2) Å, respectively. The N(1)-N(2) distance is 1. 401 (9) Å while the N(1)-C(1) and C(1)-O(1) distances are 1. 286 (10) and 1. 318 (10) Å, respectively. There is a hydrogen bond between the ethanol molecule and the exocyclic oxygen atom of the dibenzoylhydrazide ligand, the O…O bond length being 2. 776 (13) Å.

Original languageEnglish (US)
Pages (from-to)2290-2295
Number of pages6
JournalInorganic Chemistry
Volume12
Issue number10
DOIs
StatePublished - Oct 1 1973

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

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