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Figure 3
(a) The crystal packing in (I)[link], showing the spatial arrangement of pyrazine rings in the crystal lattice. The centroids are marked as cx (x = 1–10). (b) A side view of the inter­actions (rotation by 90°), showing only the π–π inter­action between mol­ecules at (x, y, z) and (−x + 1, −y + 1, −z) in the packing.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 70| Part 8| July 2014| Pages 776-779
doi:10.1107/S2053229614015587
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