Assertion: deuterium's effect | /r/HasProperty | small
Facets:
value: usually
type: DEGREE
value: for heavier elements
type: PURPOSE
value: very
type: DEGREE
Source sentences:
text: In contrast, secondary effects are generally very small for heavier elements and close in magnitude to the experimental uncertainty, which complicates their interpretation and limits their utility.
text: A steric isotope effect is usually small, unless the transformations passes through a transition state with severe steric encumbrance, as in the racemization process shown above.