Other ; Related Article: Xinggui Gu, Engui Zhao, Jacky W. Y. Lam, Qian Peng, Yujun Xie, Yilin Zhang, Kam Sing Wong, Herman H. Y. Sung, Ian D. Williams, Ben Zhong Tang|2015|Adv.Mater.|27|7093|doi:10.1002/adma.201503751 ; 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.