Other ; Related Article: Xu You, Xin Xie, Gaonan Wang, Meijun Xiong, Renhong Sun, Haoyi Chen, Yuanhong Liu|2016|Chem.-Eur.J.|22|16765|doi:10.1002/chem.201603829 ; 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.