Fig. 2: Crystal structure of the dimeric capsule M2.
From: Xenon binding by a tight yet adaptive chiral soft capsule
a Top view. b Side view. c Space filling view. Only the first form (Form 1) of the two crystallographically independent dimeric capsules is shown. H-bonding distances (given by the heavy atom distances): C=O∙∙∙H–N 2.808, 2.832, 2.808, and 2.832 Å; C=S∙∙∙H–N 3.393, 3.399, 3.393, and 3.399 Å.
