Abstract
In the title compound [systematic name: 12,15-dibromo-52,55-dimethoxy-2,7-dithia-1,5(1,4)-dibenzenaoctaphane], C18H18Br2O2S2, the dihedral angle between the aromatic rings is 0.6 (2)° and their centroid separation is 3.251 (2) Å, indicating that a trans-annular π–π interaction occurs. The dimethoxy and dibromo substituents are located at crossed positions because of the electronic and the steric nature of the substituents.
Highlights
In the title compound [systematic name: 12,15-dibromo-52,55dimethoxy-2,7-dithia-1,5(1,4)-dibenzenaoctaphane], C18H18Br2O2S2, the dihedral angle between the aromatic rings is 0.6 (2) and their centroid separation is 3.251 (2) A, indicating that a trans-annular – interaction occurs
The dimethoxy and dibromo substituents are located at crossed positions because of the electronic and the steric nature of the substituents
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: SI2274)
Summary
Key indicators: single-crystal X-ray study; T = 298 K; mean (C–C) = 0.006 A; R factor = 0.059; wR factor = 0.151; data-to-parameter ratio = 20.4. In the title compound [systematic name: 12,15-dibromo-52,55dimethoxy-2,7-dithia-1,5(1,4)-dibenzenaoctaphane], C18H18Br2O2S2, the dihedral angle between the aromatic rings is 0.6 (2) and their centroid separation is 3.251 (2) A , indicating that a trans-annular – interaction occurs. The dimethoxy and dibromo substituents are located at crossed positions because of the electronic and the steric nature of the substituents
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