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. Author manuscript; available in PMC: 2016 Nov 23.
Published in final edited form as: Angew Chem Int Ed Engl. 2015 Oct 2;54(48):14398–14401. doi: 10.1002/anie.201507227

Figure 2.

Figure 2

(a) X-ray crystal structure (viewed along the N–Eu–N axis) of EuII-222Fb (hydrogen atoms are not shown for clarity) alongside a cartoon representation of the solid-phase geometry in the same orientation as the crystal structure. Outer sphere chloride, Cl00, related by symmetry is included in the image. (b) Cartoon representation of the proposed solution-phase geometry of EuII-222Fb with one or two coordinated water molecules viewed along the N–Eu–N axis. The blue and teal spheres in the cartoons represent nitrogen and europium, respectively, and the bold lines represent the cryptands. R-factor = 0.0248. Resolution = 0.59 Å. Thermal ellipsoids are drawn at the 50% probability level.