Lachlan,
As data may be poor for many reasons, results may be unstable in
many ways. In my experience, elimination of the restraints in the
final refinement cycles gives always some change in parameters,
most time small but sometimes it happens that a homeless atom
begins to wander/vanish
For people using bond-restraints on medium to large inorganic/zeolite
structures to keep things physically reasonable during Rietveld
refinement (for data of moderate quality): are there any comments on
how R-factors tend to vary if restraints are released - or set to near
zero values.
Are