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Figure 2
A view of the mol­ecular packing of 1 along the helical b-axis showing the association of closely linked mol­ecules by C=O⋯C≡C (acetyl­ene, C=O⋯π) and marginal C—H⋯π (π-cloud of acetyl­ene mol­ecules) contacts. Neighbouring helices along the longer c axis are linked by C—H⋯Br contacts. Symmetry codes as in Table 1[link].

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 79| Part 7| July 2023| Pages 633-636
https://doi.org/10.1107/S205698902300508X
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