Material Name:	ITQ-40
	Chemical Formula:	|F8| [Ge54.7Si21.3O150(OH)4]--IRY
	Unit Cell:	hexagonal	P 63/m m c (# 194)
		a' = 16.4690 Å	b' = 16.4690 Å	c' = 32.1920 Å
		α' = 90.000°	β' = 90.000°	γ' = 120.000°
	Framework Density:	10.1 T/1000 Å3

Channels:

[001] 16 9.5 x 10.4* <-> [001] 15 9.6 x 9.7* Dimensionality   Sorption (molecular cross section > 3.4Å): 3-dimensional   Topological (pore opening > 6-ring): 3-dimensional

	References:
		Corma, A., Díaz-Cabañas, M.J., Rey, F., Afeworki, M., Dorset, D.L., Soled, S.L., Strohmaier, K.G.
			"A new extra-large pore zeolite (ITQ-40) with the lowest framework density containing doube four and double three-rings"
			Proc. Natl. Acad. Sci., 107, 13997-14002 (2010)
			Material name:   ITQ-40, partially calcined
			Chemical formula:   [Ge32.4Si43.6O150(OH)4]--IRY
		Zou, X.D.
			"single-crystal refinement using SQUEEZE"
			private communication, , (2013)

	Name and Code derivation:
		Instituto de Tecnologia Quimica Valencia - forty   ITQ-40 (forty))   -IRY