Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 28, Issue 13, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.202103984
Keywords
alkene ligands; alkyne ligands; bond energy; mass spectrometry; X-ray diffraction
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Funding
- National Science Foundation [CHE-1954456]
- Robert A. Welch Foundation [Y-1289]
- European Research Council (ERC CoG) [682275]
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This paper investigates the interactions between copper(I), silver(I), and gold(I) metals and pi-ligands, showing that these interactions are influenced by the electron-donating and electron-withdrawing substituents of the ancillary ligands.
The copper(I), silver(I), and gold(I) metals bind pi-ligands by sigma-bonding and pi-back bonding interactions. These interactions were investigated using bidentate ancillary ligands with electron donating and withdrawing substituents. The pi-ligands span from ethylene to larger terminal and internal alkenes and alkynes. Results of X-ray crystallography, NMR, and IR spectroscopy and gas phase experiments show that the binding energies increase in the order Ag
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