A mechanism by which ligands in trigonal bipyramidal complexes can interchange between axial and equatorial positions. It involves intermediate formation of a square pyramidal conformation. It is also known as the Berry pseudorotation. It is named after R. Stephen Berry, who proposed it in 1960.
Berry mechanism
- Oosterhoff group
- Ootacamund Radio Astronomy Centre
- ootid
- ooze
- OP
- Op
- opacity
- opacity and transparency
- opacus
- opal
- opalescence
- op-amp
- opaque mineral
- opaque policy measures
- op code
- op-code
- OPEC
- open
- open architecture
- open-area test site
- open ball
- open-cast mining
- opencast mining
- open chain
- open channel