FER: Type Material

Database of Zeolite Structures

Framework Type FER

Reference Material

	Material Name:	Ferrierite
	Chemical Formula:	\|Mg₂Na₂ (H₂O)₁₈ \| [Al₆Si₃₀O₇₂]-FER
	Unit Cell:	orthorhombic	I m m m (# 71)
		a' = 19.1560 Å	b' = 14.1270 Å	c' = 7.4890 Å
		α' = 90.000°	β' = 90.000°	γ' = 90.000°
	Framework Density:	17.8 T/1000 Å³

Channels:

[001] 10 4.2 x 5.4* <-> [010] 8 3.5 x 4.8*

Dimensionality
	Sorption (molecular cross section > 3.4Å):	2-dimensional
	Topological (pore opening > 6-ring):	2-dimensional

	References:
		Vaughan, P.A.
			"The crystal structure of the zeolite ferrierite"
			Acta Crystallogr., 21, 983-990 (1966)

	Name and Code derivation:
		Ferrierite FER

Limiting Rings

10-ring viewed along [001]	8-ring viewed along [010]

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