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Berry mechanism

The Berry mechanism, or Berry pseudorotation mechanism, is a type of vibration causing molecules of certain geometries to isomerize by exchanging the two axial ligands (see the figure) for two of the equatorial ones. It is the most widely accepted mechanism for pseudorotation and most commonly occurs in trigonal bipyramidal molecules such as PF5, though…

Standards, Berry mechanism in trigonal bipyramidal structure & Berry mechanism in square pyramidal structure

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Berry mechanism in trigonal bipyramidal structure

Square based pyramidLevi graphSymmetryEthane
4 related topics

Berry mechanism in square pyramidal structure

IF5
1 related topics

Overview

IsomerizePseudorotationTrigonal bipyramidalPF5Square pyramidal
6 related topics

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Berry mechanism in trigonal bipyramidal structure

Berry mechanism in square pyramidal structure

  • IF5 Iodine pentafluoride

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Berry mechanism

Nodes15
Edges14
Triples7
Avg. degree1.87
Density0.133333
Components1

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Berry mechanism

Top relations

related to Berry mechanism in square pyramidal structure · 5
Berry mechanism → However, IF5, Starting, The Berry, Unlike

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Important terminology

mechanism pseudorotation berry ligands bipyramidal axial equatorial molecules square trigonal pyramidal two geometry see also pf5 molecule causing occurs occur

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
PF5instance ofIt is the most widely accepted mechanism for pseudorotation and most commonly occurs in trigonal bipyramidal molecules0.80text
though it can also occur in molecules with a square pyramidal geometryinstance ofIt is the most widely accepted mechanism for pseudorotation and most commonly occurs in trigonal bipyramidal molecules0.80text
Berry mechanismrelated to Berry mechanism in square pyramidal structureThe Berry0.60section
Berry mechanismrelated to Berry mechanism in square pyramidal structureIF50.60section
Berry mechanismrelated to Berry mechanism in square pyramidal structureStarting0.60section
Berry mechanismrelated to Berry mechanism in square pyramidal structureUnlike0.60section
Berry mechanismrelated to Berry mechanism in square pyramidal structureHowever0.60section

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