μ-Carbonato-κ4 O,O′:O′,O′′- bis{[2′-(di-tert-butylphosphanyl)biphenyl-2-yl-κ2 P,C 1]palladium(II)} dichloromethane monosolvate

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The title compound, [(μ2-CO3){Pd(P(t-C4H9)2(C12H8)}2]·CH2Cl2, the first CO3-bridged palladium dimer complex reported to date, was obtained while preparing the Pd0 complex with (2-biphenyl)P(tBu)2. In the crystal, each palladium dimer is accompanied by a dichloromethane solvent molecule. Coordination of the carbonate and chelated phosphane ligands gives distorted square-planar environments at the Pd atoms. Important geometrical parameters include Pd-P(av.) = 2.2135 (4) Å, Pd-C(av.) = 1.9648 (16) Å and P-Pd-C = 84.05 (5) and 87.98 (5)°, and O-Pd-O′ = 60.56 (4) and 61.13 (4)°. Bonding with the carbonate O atoms shows values of 2.1616 (11) and 2.1452 (11) Å for the Pd-O-Pd bridge, whereas other Pd-O distances are slightly longer at 2.2136 (11) and 2.1946 (11) Å. One of the tert-butyl groups is disordered over two set of sites with an occupancy ratio of 0.723 (6):0.277 (6). Weak C-H⋯O interactions are observed propagating the molecules along the [100] direction.

Original languageEnglish
Pages (from-to)m1574-m1575
JournalActa Crystallographica Section E: Structure Reports Online
Issue number12
Publication statusPublished - Dec 2012


  • R factor = 0.020
  • T = 100 K
  • data-to-parameter ratio = 20.2
  • disorder in main residue
  • mean ω(C-C) = 0.003 Å
  • single-crystal X-ray study
  • wR factor = 0.044

ASJC Scopus subject areas

  • General Chemistry
  • General Materials Science
  • Condensed Matter Physics


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