Other ; Related Article: Juri Möbus, Anzhela Galstyan, Andreas Feldmann, Constantin G. Daniliuc, Roland Fröhlich, Cristian A. Strassert,. Gerald Kehr and Prof. Gerhard Erker|2014|Chem.-Eur.J.|20|11883|doi:10.1002/chem.201403102 ; 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.