Material Name:	AlPO-H2
	Chemical Formula:	|(H2O)16|1/2 [Al12P12O48]1/2-AHT
	Unit Cell:§	monoclinic	P 1 1 21 (# 4)
		a' = 9.4860 Å	b' = 9.9140 Å	c' = 8.1260 Å
		α' = 90.000°	β' = 90.000°	γ' = 121.490°
		(Relationship to unit cell of Framework Type: a'= a/(2 sin(γ')), b'=b, c'=c or, as vectors, a' = (a - b)/2, b' = b, c' = c)
	Framework Density:	18.4 T/1000 Å3

	Channels:	[001] 10 3.3 x 6.8* Dimensionality   Sorption (molecular cross section > 3.4Å): 0-dimensional   Topological (pore opening > 6-ring): 1-dimensional
	Stability:	Transforms to AlPO4-tridymite on heating

	References:
		Li, H.X., Davis, M.E., Higgins, J.B. and Dessau, R.M.
			"Aluminophosphate Molecular Sieves Comprised of Hydrated Triple Crankshaft Chains"
			Chem. Commun., , 403-405 (1993)
			Material name:   AlPO-H2
			Chemical formula:   [Al12P12O48]1/2-AHT
	§	Higgins, J.B.
			private communication, ,
		Kennedy, G.J., Higgins, J.B., Ridenour, C.F., Li, H.X. and Davis, M.E.
			"Multifield magic-angle spinning and double-rotation nuclear magnetic resonance studies of a hydrated aluminophosphate molecular sieve: AlPO4-H2"
			Solid State Nucl. Mag. Res., 4, 173-178 (1995)
			Material name:   AlPO-H2
			Chemical formula:   [Al12P12O48]1/2-AHT

	Name and Code derivation:
		AlPO4-H2 (two)   AHT

§	Chemical Formula and Unit Cell taken from the reference marked with this sign