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. 2010 Dec 21;1:148. doi: 10.1038/ncomms1151

Figure 2. X-ray crystal structures of cryptophanes and inclusion complexes in side view.

Figure 2

(a) Cryptophane-A with Xe, and b, with water, oxygen shaded red; both in CC conformation. (c) Tripropargyl cryptophane (1), with Xe, and d, partially occupied; both in CC conformation. (e) Triallyl cryptophane (2), with Xe, in CC conformation. Xe atom is shaded blue; and f, collapsed, in CS conformation.