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Single crystal X‐ray structures of cages 11 (a and d), 12 (b and e) and 13 (c and f). a–c) molecular structures as capped stick models. In a) hydrogens have been omitted for clarity and only one cage of two found in the asymmetric unit is depicted. Note: For cage 11 not all n‐hexyl chains could be satisfactorily refined. d–f) 2×2×2 unit cell with surface accessible voids for probe radius of 1.8 Å.
