code: public static void translate2D(IAtomContainer atomCon, double transX, double transY) {
          translate2D(atomCon, new Vector2d(transX, transY));
      }
docs: Translates the given molecule by the given Vector.
  See comment for center(IAtomContainer atomCon, Dimension areaDim, HashMap renderingCoordinates) for details on coordinate sets
  
  @param  atomCon  The molecule to be translated
  @param  transX   translation in x direction
  @param  transY   translation in y direction