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Figure 2
Herring-bone π–π interactions. The values indicate centre-to-centre distances (Å) between interacting aromatic pairs. (a) The association of mol­ecules into dimers (diads) and cyclic edge-to-face tetrameric arrangements of aromatic clusters. (b) The similar edge-to-face tetrameric arrangement for the symmetrical stereoisomer (II), reported by Narasimhamurthy et al. (2000BB7).

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 59| Part 11| October 2003| Pages o620-o621
doi:10.1107/S0108270103019577
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