Assertion: distortion | /r/CapableOf | occur as a shortening of these bonds
Facets:
value: occasionally
type: DEGREE
Source sentences:
text: The distortion normally takes the form of elongating the bonds to the ligands lying along the z axis, but occasionally occurs as a shortening of these bonds instead (the Jahn–Teller theorem does not predict the direction of the distortion, only the presence of an unstable geometry).