catena-Poly[1,2,2-trimethylcyclopentane-1,3-diammonium [aluminate(III)-μ-(hydrogen phosphato)-μ-phosphato]]

Abstract

In the title compound, {(C8H20N2)[Al(HPO4)(PO4)]}n, the AlIII atom is coordinated by four O atoms from two HPO42− and two PO43− groups in a distorted tetrahedral geometry. Each AlO4 unit shares four O atoms with four adjacent PO4 units, leading to an anionic chain along [100]. The negative charge of the chain is compensated by doubly protonated camphoric amine cations. N—H...O hydrogen bonds connect the cations and the anionic chains. O—H...O hydrogen bonds are present in the chain.