Palladium complexes with PCP ligands. - Preparation and structural studies of two forms of [(PCP)Pd(OH2)]+BF4 -

Barbara F M Kimmich, William J. Marshall, Paul J. Fagan, Elisabeth Hauptman, R Morris Bullock

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Abstraction of chloride from the Pd complex {[η3-2,6-(tBu2PCH2) 2C6H3)]PdCl with AgBF4 in THF gives {[η3-2,6-(tBu2PCH2) 2C6H3)]Pd(THF)}+BF4 -. Attemped crystallization of this THF complex produced the aqua complex {[η3-2,6-(tBu2PCH2) 2C6H3)]Pd(OH2)}+BF 4 -. Crystal structures of two crystalline forms of this compound are reported. In {[η3-2,6-(tBu2PCH2) 2C6H3)]Pd(OH2)}+BF 4 -·THF, one hydrogen of the water is hydrogen bonded to the oxygen of the THF, and the other hydrogen is hydrogen bonded to an F of the BF4 - anion. Another crystalline form has no THF, but has both of the hydrogens of water hydrogen bonded to different BF4 - anions, such that two different BF4 - anions bridge two {[η3-2,6-(tBu2PCH2) 2C6H3)]Pd(OH2)}+ cations. A crystal structure is also reported for the palladium chloride complex [η3-2,6-(tBu2PCH2) 2C6H3)]PdCl.

Original languageEnglish
Pages (from-to)52-58
Number of pages7
JournalInorganica Chimica Acta
Volume330
Issue number1
DOIs
Publication statusPublished - Mar 13 2002

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Palladium
palladium
Hydrogen
Ligands
preparation
ligands
hydrogen
Anions
Negative ions
anions
Crystal structure
chlorides
Crystalline materials
crystal structure
Water
Crystallization
water
Cations
Chlorides
Positive ions

Keywords

  • Aqua complexes
  • Crystal structures
  • Hydrogen bonding
  • Palladium complexes

ASJC Scopus subject areas

  • Biochemistry
  • Inorganic Chemistry
  • Physical and Theoretical Chemistry
  • Materials Chemistry

Cite this

Palladium complexes with PCP ligands. - Preparation and structural studies of two forms of [(PCP)Pd(OH2)]+BF4 - . / Kimmich, Barbara F M; Marshall, William J.; Fagan, Paul J.; Hauptman, Elisabeth; Bullock, R Morris.

In: Inorganica Chimica Acta, Vol. 330, No. 1, 13.03.2002, p. 52-58.

Research output: Contribution to journalArticle

Kimmich, Barbara F M ; Marshall, William J. ; Fagan, Paul J. ; Hauptman, Elisabeth ; Bullock, R Morris. / Palladium complexes with PCP ligands. - Preparation and structural studies of two forms of [(PCP)Pd(OH2)]+BF4 - In: Inorganica Chimica Acta. 2002 ; Vol. 330, No. 1. pp. 52-58.
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AU - Kimmich, Barbara F M

AU - Marshall, William J.

AU - Fagan, Paul J.

AU - Hauptman, Elisabeth

AU - Bullock, R Morris

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N2 - Abstraction of chloride from the Pd complex {[η3-2,6-(tBu2PCH2) 2C6H3)]PdCl with AgBF4 in THF gives {[η3-2,6-(tBu2PCH2) 2C6H3)]Pd(THF)}+BF4 -. Attemped crystallization of this THF complex produced the aqua complex {[η3-2,6-(tBu2PCH2) 2C6H3)]Pd(OH2)}+BF 4 -. Crystal structures of two crystalline forms of this compound are reported. In {[η3-2,6-(tBu2PCH2) 2C6H3)]Pd(OH2)}+BF 4 -·THF, one hydrogen of the water is hydrogen bonded to the oxygen of the THF, and the other hydrogen is hydrogen bonded to an F of the BF4 - anion. Another crystalline form has no THF, but has both of the hydrogens of water hydrogen bonded to different BF4 - anions, such that two different BF4 - anions bridge two {[η3-2,6-(tBu2PCH2) 2C6H3)]Pd(OH2)}+ cations. A crystal structure is also reported for the palladium chloride complex [η3-2,6-(tBu2PCH2) 2C6H3)]PdCl.

AB - Abstraction of chloride from the Pd complex {[η3-2,6-(tBu2PCH2) 2C6H3)]PdCl with AgBF4 in THF gives {[η3-2,6-(tBu2PCH2) 2C6H3)]Pd(THF)}+BF4 -. Attemped crystallization of this THF complex produced the aqua complex {[η3-2,6-(tBu2PCH2) 2C6H3)]Pd(OH2)}+BF 4 -. Crystal structures of two crystalline forms of this compound are reported. In {[η3-2,6-(tBu2PCH2) 2C6H3)]Pd(OH2)}+BF 4 -·THF, one hydrogen of the water is hydrogen bonded to the oxygen of the THF, and the other hydrogen is hydrogen bonded to an F of the BF4 - anion. Another crystalline form has no THF, but has both of the hydrogens of water hydrogen bonded to different BF4 - anions, such that two different BF4 - anions bridge two {[η3-2,6-(tBu2PCH2) 2C6H3)]Pd(OH2)}+ cations. A crystal structure is also reported for the palladium chloride complex [η3-2,6-(tBu2PCH2) 2C6H3)]PdCl.

KW - Aqua complexes

KW - Crystal structures

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