New dirhodium(II,II) carboxylates with 2,6-bis(N′-1,2,4-triazolyl)pyridinato ligand (btp)

Youngmee Kim, Sung Jin Kim, Alan J. Lough

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

The structures of compounds containing Rh2(O2CR3)4 (R = CH3 1, C6H5 2, and CF3 3) units and btp ligands have been determined. In both the compounds 1 and 2, dirhodium(II,II) acetate and dirhodium(II,II) benzoate are bridged by btp ligands to form one-dimensional chains. For compound 1, the Rh-Rh bond distance is 2.3869(9) Å and Rh-N(btp) bond distances are 2.23(2) and 2.26(2) Å. For compound 2, the Rh-Rh and Rh-N(btp) bond distances are 2.4037(9) and 2.272(4) Å, respectively. For compound 3, dirhodium(II,II) trifiuoroacetate creates a supermolecule of two fused rings in which one dirhodium(II,II) unit of the outer ring has the typical coordination of dirhodium(II,II) carboxylates, but the other unit of the inner ring has two bidentate CF3COO- ligands, two monodentate CF3COO- ligands and two monodentate btp ligands. The outer Rh-Rh and inner Rh-Rh distances are 2.4196(9) and 2.5651(9) Å, respectively.

Original languageEnglish
Pages (from-to)3073-3078
Number of pages6
JournalPolyhedron
Volume20
Issue number26-27
DOIs
StatePublished - 1 Dec 2001

Bibliographical note

Funding Information:
Financial support from the Basic Research Program of the Korean Science & Engineering Foundation (Grant no. R05-2000-00002) is gratefully acknowledged.

Keywords

  • Crystal structures
  • Dinuclear complexes
  • One-dimensional polymers
  • Rhodium(II) complexes
  • Trifluoroacetate

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