[MMTK] coordinates

Konrad Hinsen hinsen@cnrs-orleans.fr
23 Nov 2002 08:54:18 +0100


"D. Joe Anderson" <deejoe@iastate.edu> writes:

> "prochiral" just means that the atom in question is not a center of
> chirality, but were an addition or substitution made at that atom, it would
> become a chiral center.  If a reaction happening on one side of the molecule
> would produce an absolute configuration of "S" then that side of the
> molecule is the "pro S" side, if "R" then that is the "pro R" side.

Thanks for the explanation. This is a categorization of conformations,
so as I said before, it doesn't really play a role in defining
coordinates. To specify a configuration of a molecule, you need
numbers for a complete set of internal coordinates.

Konrad.