Rare and Diverse Binding Modes Introduced through Mechanical Bonding

Abstract

Any which way, but not loose: A range of diverse noncovalent binding interactions are observed with a [2]rotaxane (see structure) and a [2]catenane that are not found with similar but not mechanically interlocked fragments. (C (macrocycle) turquoise, other C atoms yellow, O red, N blue, H gray, F green, S orange.) Supporting information for this article is available on the WWW under http://www.wiley-vch.de/contents/jc_2002/2005/z500004_s.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.