Preparation and X-ray characterization of two-coordinate Cu(I) complex of aliphatic thiolato ligand: Effect of steric bulk on coordination features

Amir Kohner-Kerten, Edit Y. Tshuva*

*Corresponding author for this work

Research output: Contribution to journalShort surveypeer-review

18 Scopus citations

Abstract

We have synthesized in a single-step procedure from available copper(I) precursor at RT two Cu(I) thiolato clusters of the formula [Cu4(μ-SCH(CH3)2)6]2- and [Cu5(μ-SC(CH3)3)6]- as revealed by X-ray crystallography, where increased steric bulk leads to a bigger cage with some two-coordinate metal centers. In addition, we identified a mononuclear two coordinate thiolato complex with the bulkier ligand, of the formula NEt4[Cu(SC(CH3)3)2]. This is only the second example of such a complex of an aliphatic ligand that is structurally characterized. The X-ray structure reveals an S-Cu-S angle of 176.7-179.5°, with Cu-S distances of 2.14 Å.

Original languageAmerican English
Pages (from-to)2065-2068
Number of pages4
JournalJournal of Organometallic Chemistry
Volume693
Issue number11
DOIs
StatePublished - 15 May 2008

Bibliographical note

Funding Information:
We thank the Human Frontier Science Program for financial support. We also thank Dr. Shmuel Cohen for solution of the X-ray structures.

Keywords

  • Cluster compounds
  • Coordination modes
  • Copper metallochaperones
  • Copper(I)
  • S ligands

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