Issue 9, 2002
From the journal:

CrystEngComm

Philip A. W. Dean,*a   Michael Jennings,a   Umarani Rajalingam,ab   Donald C. Craig,c   Marcia L. Scudderc  and  Ian G. Dance*c  

* Corresponding authors

a Department of Chemistry, University of Western Ontario, London, Ontario, Canada
E-mail: pawdean@uwo.ca

b Vice-President, Urecoats Technologies, Inc., 4100 North Powerline Business Park, Pompano Beach, FL 33073, USA

c School of Chemistry, University of New South Wales, Sydney, NSW 2052, Australia
E-mail: I.Dance@unsw.edu.au

Abstract

The tetrahedral tetrathiolate [Cd(MIMZ)4]2+ cations (MIMZ = 1-methylimidazolidine-2-thione, 1) in the crystal structures of [Cd(MIMZ)4](BPh4)2·2MeCN, 2, and [Cd(MIMZ)4](CF3SO3)2, 3, both exhibit unusual conformations in which two heterocyclic rings of the cation have overlapping parallel planes. In the structure of 2, the pair of parallel rings is encompassed by a tetra-aryl box, formed from pairs of BPh4– anions in the 'double-flipper' conformation. Similar boxes also surround two crystallographically independent pairs of MeCN molecules. In contrast, the structure of 3 involves more extensive cation–cation interactions than in 2, through edge-to-face interactions between the heterocyclic rings and S⋯S, C–H⋯S, N–H⋯S interactions. In addition, hydrogen bonding occurs between the cations and anions, as well as C–H⋯O interactions.

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Article information

DOI
https://doi.org/10.1039/B111604E
Article type
Paper
Submitted
20 Dec 2001
Accepted
31 Jan 2002

CrystEngComm, 2002,4, 46-50

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The crystal packing of [Cd(C4H8N2S)4](BPh4)2·2MeCN and [Cd(C4H8N2S)4](CF3SO3)2. Tetraphenylborate forming an aryl box

P. A. W. Dean, M. Jennings, U. Rajalingam, D. C. Craig, M. L. Scudder and I. G. Dance, CrystEngComm, 2002, 4, 46 DOI: 10.1039/B111604E

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