A new sodium zinc 1,4-butylenediphosphonate with polar pillar-like open-framework

A new high thermal stability sodium zinc 1,4-butylenediphosphonate [NaZn3(HO3P(CH2)4PO3)(O3P(CH2)4PO3)] (1) possesses a 3D polar pillar-like open-framework containing 1,4-butylenediphosphonates, tri-metal building units and 18-atom 1D channels.