Single crystal structure of a layered intercalating phosphate with features of two dimensions and H-bonds

A new organic phosphate of (8-HQDH)(H2PO4)·H2O has been obtained by hydrothermal reaction. The crystal structure was determined with data: triclinic, space group P1̄, a=6.541(1) Å, b=8.5909(8) Å, c=10.769(1) Å, α=98.734(7)°, β=91.20(1)°, γ=97.91(1)°, V=591.9(1) Å3, and Z=2. The (H2PO4)− groups and H2O molecules stack into sheets and 8-HQ cations fixed parallelly with each other to form an intercalating compound by H-bonds.