IMF: Type Material

Framework Type IMF

Reference Material

Material Name:	IM-5
Chemical Formula:	[Si₂₈₈O₅₇₆]-IMF
Unit Cell:	orthorhombic	C m c m (# 63)
	a' = 14.2088 Å	b' = 57.2368 Å	c' = 19.9940 Å
	α' = 90.000°	β' = 90.000°	γ' = 90.000°
Framework Density:	17.7 T/1000 Å³

Channels:

{[001] 10 5.5 x 5.6 <-> [100] 10 5.3 x 5.4}** <-> {[010] 10 5.3 x 5.9} <-> {[001] 10 4.8 x 5.4 <-> [100] 10 5.1 x 5.3}**

Dimensionality
	Sorption (molecular cross section > 3.4Å):	3-dimensional
	Topological (pore opening > 6-ring):	3-dimensional

Note:

There is central 2D channel system (above: left) connected through 10-rings along [010] (above: center) to another 2D channel system (above: right) on either side. There is no further connection along [010].

References:
	Baerlocher, Ch., Gramm, F., Massüger, L., McCusker, L.B., He, Z., Hovmöller, S. and Zou, X.
		"Structure of the polycrystalline zeolite catalyst IM-5 solved by enhanced charge flipping"
		Science, 315, 1113-1116 (2007)

	Name and Code derivation:
		Institut Français du Pétrole and University of Mulhouse - five IM-5 (five) IMF

Limiting Rings

10-ring (center) viewed along [001]	10-ring (center) viewed along [100]

10-ring viewed along [010]	10-ring (side) viewed along [001]

10-ring (side) viewed along [100]