Fig. 1: Schematic representation of the structural transformation of SD/Ag72a and SD/Ag72c from SD/Ag51b.

Upper: The bipy induced SD/Ag51b to form 44-sql 2D layer of SD/Ag72a. Lower: The pi-bipy induced SD/Ag51b to form 3D pcu framework of SD/Ag72c.
Upper: The bipy induced SD/Ag51b to form 44-sql 2D layer of SD/Ag72a. Lower: The pi-bipy induced SD/Ag51b to form 3D pcu framework of SD/Ag72c.