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char OEGetCIPStereo(const OEChem::OEMolBase &mol,
const OEChem::OEAtomBase *atm);
char OEGetCIPStereo(const OEChem::OEMolBase &mol,
const OEChem::OEBondBase *bnd);
These functions return the Cahn-Ingold-Prelog descriptor for the given
atom or bond stereo center, from the stereochemistry set on the
OEMolBase. For chiral atom centers, the
OEAtomBase form of this function returns either `R' or `S' for
specified CIP stereo centers, `N' for CIP stereo centers that don't
have stereo specified (i.e. OEAtomBase::HasStereoSpecified returns
false), and `X' for atoms that are not CIP stereo centers. For double
bonds, the OEBondBase form of this function returns either `E'
or `Z' specified CIP stereo centers, `N' for CIP stereo centers that
don't have stereo specified (i.e. OEBondBase::HasStereoSpecified
returns false), and `X' for bonds that are not CIP stereo centers.
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