Abstract
A new two-dimensional zinc phosphate [Zn2(HPO4)3]2−[(C6N4H22)0.5]2+ has been prepared hydrothermally by using triethylenetetramine (tetam) as the structure-directing agent. The structure of the compound was solved by single-crystal X-ray diffraction analysis. [Zn2(HPO4)3]2−[(C6N4H22)0.5]2+ crystallizes in the triclinic space group Ptext-decoration:overline1 (no. 2) with a = 7.4876(8) A, b = 8.2336(8) A, c = 12.8592(13) A, α = 98.723(2)°, β = 101.258(2)°, γ = 115.785(2)°, Z = 2, and V = 674.51(12) A3. The structure consists of macroanionic sheets stacked in an AAAA sequence. As primary building units in the individual sheet, alternating PO4 tetrahedra with terminal –OH groups and 'unsaturated' O atoms and ZnO4 tetrahedra are linked together to form elliptical twelve-membered rings as well as four-membered rings. These macroanionic sheets are held together by strong hydrogen bonding.
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