Other ; Related Article: Yuping Wang, Junling Sun, Zhichang Liu, Majed S. Nassar, Youssry Y. Botros, J. Fraser Stoddart|2016|Angew.Chem.,Int.Ed.|55|12387|doi:10.1002/anie.201605454 ; Abstract ; An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.