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Figure 5
(a) View of the mean plane passing through the atoms C7 (light blue) and of the distances from the atom C19A of the upper ring to this plane (blue dotted line). The average of the distances from atoms C19–C20 to the plane is reported in the text. (b) View of the mean plane passing through the atoms O1/O2 of the cavitand (red) and of the plane passing through the quinoxaline moiety A (green). The other planes passing through the moieties B, C, D, E, F, G and H have been calculated in the same way. Alkyl chains and H atoms have been omitted for clarity.

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
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