Material Name:	AlPO-18
	Chemical Formula:	[Al24P24O96]-AEI
	Unit Cell:	monoclinic	C 1 2/c 1 (# 15)
		a' = 13.7110 Å	b' = 12.7320 Å	c' = 18.5710 Å
		α' = 90.000°	β' = 90.010°	γ' = 90.000°
	Framework Density:	14.8 T/1000 Å3

Channels:

{[100] 8 3.8 x 3.8 <-> [110] 8 3.8 x 3.8 <-> [001] 8 3.8 x 3.8}*** Dimensionality   Sorption (molecular cross section > 3.4Å): 3-dimensional   Topological (pore opening > 6-ring): 3-dimensional

	References:
		Simmen, A., McCusker, L.B., Baerlocher, Ch. and Meier, W.M.
			"The structure determination and Rietveld refinement of the aluminophosphate AlPO4-18"
			Zeolites, 11, 654-661 (1991)

	Name and Code derivation:
		Aluminophosphate-eighteen   AlPO4-18 (eighteen)   AEI