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Displacement of Hard Bases from a Soft Center by a Soft Ligand: Reaction of Ir(CO)(OH)(SO4)L2 (L = PPh3, P(p-tolyl)3) with CO and the Crystal Structure of [Ir(CO)3(PPh3)2+][HSO4−]•1/3H2O

  • Sherri L. Randall
  • , Jeffrey S. Thompson
  • , Lisa A. Buttrey
  • , Joseph W. Ziller
  • , Melvyn Rowen Churchill
  • , Jim D. Atwood
  • SUNY Buffalo
  • University of California at Irvine

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

The iridium(III) complexes Ir(CO)(OH)(SO4)L2, L = PPh3, P(p-tolyl)3, have been prepared and shown to react with CO, yielding the iridium(I) species [Ir(CO)3L2+][HSO4] (L = PPh3, P(p-tolyl)3) and CO2. The species [Ir(CO)3(PPh3)2+][HSO4]-V3H2O crystallizes in the centrosymmetric rhombohedral space group R3 [C3i2; No. 148]. Cell parameters (for the hexagonal setting) are a = 40.938 (7) Å, c = 11.850 (2) Å, V = 17199 Å3, and Z =18. Diffraction data (Mo Kα, 20 = 4.0–45.0°) were collected on a Syntex P21 diffractometer, and the structure was refined to RF = 6.1% for all 4772 unique data (RF = 4.2% for those 3673 data with |Fo| > 6.0σ (|Fo|)).

Original languageEnglish
Pages (from-to)683-688
Number of pages6
JournalOrganometallics
Volume10
Issue number3
DOIs
StatePublished - Mar 27 1991

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