Zn(1,3-DAP)[B4O7]: a rare chiral zeolitic framework constructed of four-connected [B4O9] clusters with a single-stranded helical channel

A zinc borate Zn(1,3-DAP)[B4O7] (1) was prepared. 1 was revealed to be a rare chiral zeolitic framework based on a [B4O9] cluster. The combination of a [B4O9] cluster and Zn(1,3-DAP)O3 chain produced a helical ribbon motif and gave rise to a single-stranded helical channel.