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A tale of two toroids: New cyclic nickel(II) thiolate complexes (see structures; Ni green, S red, C purple) were synthesized by stepwise introduction of two kinds of thiolates to a nickel(II) center. The flexible {Ni10S20} core configuration crystallizes in different forms, either circular or ellipsoidal, depending on the presence or absence of an encapsulated guest molecule. Supporting information for this article is available on the WWW under http://www.wiley-vch.de/contents/jc_2002/2006/z600319_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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Zhang et al. (2006) studied this question.
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