Fig. 1: Porous structure of ZNU-6.

a–c Exquisite control of pore size/shape and pore chemistry in ZNU-6 from pillared (3,4)-connected pto network to GeF62− embedded ith-d topology framework; d Overview of ZNU-6 structure with cage-like pores and interlaced channels. e Structure and size of the cage-like pore. f Structure and size of the interlaced channel connecting four cages.