Id. Williams et al., NEW CHAIN ARCHITECTURE FOR A ONE-DIMENSIONAL ALUMINOPHOSPHATE, [H3NCH2CH2NH3][ALP2O8H], Chemical communications, (14), 1997, pp. 1273-1274
A new type of one-dimensional aluminophosphate polymer chain is found
for [H3NCH2CH2NH3][AlP2O8H] containing fused Al2P2 four-membered rings
, with terminal PO4H side-groups.