code: public static void scaleMolecule(IAtomContainer atomCon, double scaleFactor) {
          for (int i = 0; i < atomCon.getAtomCount(); i++) {
              if (atomCon.getAtom(i).getPoint2d() != null) {
                  atomCon.getAtom(i).getPoint2d().scale(scaleFactor);
              }
          }
          // scale Sgroup brackets
          if (atomCon.getProperty(CDKConstants.CTAB_SGROUPS) != null) {
              List<Sgroup> sgroups = atomCon.getProperty(CDKConstants.CTAB_SGROUPS);
              for (Sgroup sgroup : sgroups) {
                  List<SgroupBracket> brackets = sgroup.getValue(SgroupKey.CtabBracket);
                  if (brackets != null) {
                      for (SgroupBracket bracket : brackets) {
                          bracket.getFirstPoint().scale(scaleFactor);
                          bracket.getSecondPoint().scale(scaleFactor);
                      }
                  }
              }
          }
      }
docs: Multiplies all the coordinates of the atoms of the given molecule with the scalefactor. See
  comment for center(IAtomContainer atomCon, Dimension areaDim, HashMap renderingCoordinates)
  for details on coordinate sets
  
  @param atomCon     The molecule to be scaled
  @param scaleFactor Description of the Parameter