Synthesis and structure of an aluminium 3-aminopropylphosphonate sulfate hydrate

A new aluminium 3-aminopropylphosphonate sulfate hydrate has been prepared using hydrothermal methods, and its structure solved using microcrystal X-r ay diffraction at a synchrotron source. The structure consists of one-dimen sional chains of aluminium 3-aminopropylphosphonate with sulfate anions occ luded between the chains. It is unusual in compounds of this type to have a nionic groups between positively charged aluminium phosphonate units. Furth er characterisation of the compound has been carried out using magic angle spinning NMR.