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Concentric circles: The interplay of metal-coordination geometry, dipolar interactions, and hydrogen bonding orchestrate the complex supramolecular assembly of three or four neutral metallacycles of [{cis-Cu(μ-OH)(μ-pz)}n] n=6, 8, 9, 12, 14, that encapsulate anions (encapsulated SO42− depicted; Cu blue; O red; N light blue; C black; S yellow) by multiple hydrogen bonding. This orchestration of several chemical forces for the accomplishment of a specific task imitates the strategies of Nature for similar purposes. Supporting information for this article is available on the WWW under http://www.wiley-vch.de/contents/jc_2002/2004/z52636_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.
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Mezei et al. (2004) studied this question.
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