Structure of Hydridochlorobis(diphenylethylphosphine)platinum

Richard Eisenberg, James A Ibers

Research output: Contribution to journalArticlepeer-review

155 Scopus citations


The crystal and molecular structure of hydridochlorobis(diphenylethylphosphine)platinum, PtHCl[P(C6H5)2C2H6]2, has been determined from three-dimensional X-ray data. The material crystallizes in space group C2h 5-P21/c of the monoclinic system, with four molecules in a cell of dimensions a = 11.80, b = 16.93, c = 14.31 Å., β = 108.4°. The individual monomeric molecules are well separated, the closest Pt-Pt distance being greater than 9 Å. The phosphorus atoms are trans to one another and with the chlorine lie at three of the four corners of an approximate square, with the platinum in the center. In agreement with results reported previously for a similar bromo compound, the Pt-P distances are shorter and the Pt-halogen distance longer than are calculated from the usual radii-sum rules. The Pt-halogen lengthening is consistent with the high lability of the halogen trans to a hydrogen. The platinum, phosphorus, and chlorine atoms deviate slightly, but significantly, from coplanarity.

Original languageEnglish (US)
Pages (from-to)773-778
Number of pages6
JournalInorganic Chemistry
Issue number6
StatePublished - Jun 1 1965

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

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