Dynamic lanthanide exchange between quadruple-stranded cages: the effect of ionic radius differences on kinetics and thermodynamics
Marzio Rancan, Maria Rando, Luigi Bosi, Alice Carlotto, Roberta Seraglia, Jacopo Tessarolo, Silvia Carlotto, Guido H. Clever, Lidia Armelao
Abstract
[Ln 2 L 4 ] 2− helicates easily undergo transmetalation. The lanthanide ionic radius difference (ΔEIR) strongly affects the kinetics of the dynamic process while the thermodynamics is independent and mainly entropy driven.
Topics & Concepts
LanthanideKineticsThermodynamicsIonic radiusChemistryTransmetalationRADIUSEntropy (arrow of time)Ionic bondingCritical radiusPhysical chemistryPhysicsIonCatalysisOrganic chemistryClassical mechanicsSPHERESComputer securityComputer scienceAstronomyLanthanide and Transition Metal ComplexesSupramolecular Chemistry and ComplexesRadioactive element chemistry and processing