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Figure 2
The arrangement of (a) the histidinium cations and (b) the IMP anions within the separate helices running down the b axis. Intermolecular His⋯His [in (a)] and IMP⋯IMP [in (b)] interactions are shown with dashed lines, C—H⋯π interactions with dashed open lines and intramolecular C8—H8⋯O5′ interactions with dotted lines. (Symmetry codes are as given in Table 2 ![]() |