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Figure 1 Thermal ellipsoid plot (Barbour, 2001) of [C18H24N4]2+ 2[PF6]− at the 70% probability level; hydrogen atoms are drawn as spheres of arbitrary radius. The imidazolyl ring is disordered; only one component (unprimed) of the disorder is shown. The non-H atoms comprising the asymmetric unit are labelled and the unlabelled atoms are related by 2-x, 2-y, −z. |