Phosphine oxides as NMR and IR spectroscopic probes for the estimation of the geometry and energy of PO⋯H–A hydrogen bonds
M. Kostin, Svetlana Pylaeva, Peter M. Tolstoy
Abstract
The shifts of 31 P NMR signals and PO vibrational frequencies allow one to measure the energy of H-bonds formed by phosphine oxides.
Topics & Concepts
ChemistryHydrogen bondHydrogenProtonProton NMRMolecular geometryPolarizabilityHydrogen atomChemical shiftPhysical chemistryComputational chemistryCrystallographyMoleculeStereochemistryOrganic chemistryGroup (periodic table)PhysicsQuantum mechanicsMolecular Spectroscopy and StructureCrystallography and molecular interactionsMolecular spectroscopy and chirality