Acta Cryst. (2019). C75, doi:10.1107/S2053229619005886 Supporting information Volume 75 (2019) Supporting information for article: Exploring the structural landscape of 2-(thiophen-2-yl)-1,3-benzothia- zole: high-Z′ packing polymorphism and cocrystallization with calix[4]tube Meiry E. Alvarenga, Ana Karoline S. M. Valdo, Leandro Ribeiro, José Antonio Do Nascimento Neto, Debora P. De Araujo, Cleiton Moreira Da Silva, Ângelo De Fátima and Felipe T. Martins