MTT: Type Material

Database of Zeolite Structures

Framework Type MTT

Reference Material

	Material Name:	ZSM-23
	Chemical Formula:	\|Na_x (H₂O)₄ \| [Al_xSi_24-xO₄₈]-MTT (x<2)
	Unit Cell:^§	orthorhombic	P m n 2₁ (# 31)
		a' = 21.5000 Å	b' = 11.1000 Å	c' = 5.0000 Å
		α' = 90.000°	β' = 90.000°	γ' = 90.000°
	Framework Density:	20.1 T/1000 Å³

Channels:

[001] 10 4.5 x 5.2*

Dimensionality
	Sorption (molecular cross section > 3.4Å):	1-dimensional
	Topological (pore opening > 6-ring):	1-dimensional

	References:
		Rohrman Jr., A.C., LaPierre, R.B., Schlenker, J.L., Wood, J.D., Valyocsik, E.W., Rubin, M.K., Higgins, J.B. and Rohrbaugh, W.J.
			"The framework topology of ZSM-23: a high silica zeolite"
			Zeolites, 5, 352-354 (1985)
			Material name: ZSM-23
			Chemical formula: [Al_xSi_24-xO₄₈]-MTT (x<2)
	^§	Schlenker, J.L., Higgins, J.B. and Cox, D.E.
			private communication, ,
		Marler, B., Deroche, C., Gies, H., Fyfe, C.A., Grondey, H., Kokotailo, G.T., Feng, Y., Ernst, S., Weitkamp, J. and Cox, D.E.
			"The Structure of Zeolite ZSM-23 (MTT) Refined from Synchrotron X-Ray Powder Data"
			J. Appl. Crystallogr., 26, 636-644 (1993)
			Material name: ZSM-23
			Chemical formula: [Al_xSi_24-xO₄₈]-MTT (x<2)
		Zones, S.I., Darton, R.J., Morris, R. and Hwang, S.-J.
			"Studies on the role of fluoride ion vs reaction concentration in zeolite synthesis"
			J. Phys. Chem. B, 109, 652-661 (2005)
			Material name: ZSM-23
			Chemical formula: [Al_xSi_24-xO₄₈]-MTT (x<2)

	Name and Code derivation:
		Zeolite Socony Mobil- twenty-three ZSM-23 (twenty-three) MTT



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

Limiting Rings

10-ring viewed along [001]

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