Citation: McCusker, L.B.; Baerlocher, C.; Jahn, E.; Buelow, M. (1991). The triple helix inside the large-pore aluminophosphate molecular sieve VPI-5. Zeolites, 11, pp. 308-313.
Formula: Al H4.66 O6.33 P
Chemical name: Al (P O4) (H2 O)2.33
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al18 O84 P18 (Al3 O14 P3)
Multiplicity: 1