A reversible intramolecular hydrogen-bonding interaction involving second-sphere co-ordination of a water ligand
- 1 January 1995
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 17,p. 2921-2922
- https://doi.org/10.1039/dt9950002921
Abstract
The crystal structure of [Cu{HB(pypz)3}(H2O)][PF6]{HB(pypz)3= hydrotris[3-(2-pyridyl)pyrazol-1-yl]borate} has been determined and reveals a square-pyramidal CuII centre co-ordinated by two of the three bidentate arms of the ligand and an axial water molecule, while the third, pendant, bidentate ligand arm is involved in a ‘chelating’ hydrogen-bonding interaction with one of the protons of the axial water molecule; this interaction is not maintained in solution.Keywords
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