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Gold member: The last of the simple metal coordination geometries (linear) joins the family of metal–ligand arrangements that have been used to template the formation of mechanical bonds. Both catenanes and rotaxanes are assembled about a gold (I) template. The picture shows the molecular structure of the gold (I) catenate, viewed parallel to its NAuN bond. Supporting information for this article is available on the WWW under http: //www. wiley-vch. de/contents/jc₂002/2008/z801904ₛ. pdf or from the author. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
Goldup et al. (Tue,) studied this question.