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Bonding in Cyclophosphazenes: Quantum and Experimental Support for DEWAR′s Island Model
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1976
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EngineeringDewar′s Island ModelComputational ChemistryChemistryIsland TheoryElectronic StructureLinear Chain CompoundQuantum Mechanical CalculationsBiophysicsQuantum SciencePhysicsChemical BondQuantum ChemistryMolecular ChemistryNatural SciencesApplied PhysicsExperimental SupportMolecule-based MaterialTransannular Bonding
Quantum mechanical calculations for a number of cyclophosphazenes reveal that transannular bonding and antibonding interactions contribute considerably to the stability and conformation of these PN ring systems. Charge distributions are only in agreement with the island theory; the latter is confirmed by Faraday effect measurements.