1,1,2,2-Tetrakis(diotolylphosphino)-ethane

Elizabeth M. Sisler, Karla Arias, Danielle L. Gray, Quinetta D. Shelby

Research output: Contribution to journalArticlepeer-review

Abstract

The complete molecule of title compound, C58H58P 4, is generated by a crystallographic twofold rotation axis that passes through the center of the C(methine) - C(methine) bond of length 1.582 (4) Å. The C - P bond lengths are 1.8824 (19) and 1.8991 (19) Å. The P - C - P angle of 109.69 (9)° is essentially equal to the expected value of 109.5° for a tetra-hedral C atom. Although the C(methine) - P - C(aromatic) bond angles range from 102.67 (9) to 107.04 (9)°, the C(aromatic) - P - C(aromatic) bond angles of 96.72 (9) and 97.29 (9)° are significantly smaller. The steric demands of the o-tolyl groups cause deviations from the bond lengths and angles reported for its phenyl analog.

Original languageEnglish (US)
Pages (from-to)o2231
JournalActa Crystallographica Section E: Structure Reports Online
Volume65
Issue number9
DOIs
StatePublished - 2009

ASJC Scopus subject areas

  • General Chemistry
  • General Materials Science
  • Condensed Matter Physics

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