Material Name:	IM-20
	Chemical Formula:	|(H2O)10.3| [Si42.2Ge17.8O120]-UWY
	Unit Cell:	orthorhombic	P m m m (# 47)
		a' = 25.1611 Å	b' = 12.7013 Å	c' = 11.6001 Å
		α' = 90.000°	β' = 90.000°	γ' = 90.000°
	Framework Density:	16.2 T/1000 Å3

Channels:

{[001] 12 6.1 x 7.6* <-> [010] 10 5.0 x 5.7*} <-> [100] 10 5.4 x 5.8* <-> {[001] 10 5.1 x 5.8* <-> [010] 10 5.0 x 5.0*} Dimensionality   Sorption (molecular cross section > 3.4Å): 3-dimensional   Topological (pore opening > 6-ring): 3-dimensional

	References:
		Dodin, M., Paillaud, J.-L., Lorgouillous, Y., Caullet, P., Elkaim, E. and Bats, N.
			"A zeolitic material (IM-20) with a 3D pore system formed by straight 12- and 10-ring channels synthesized with imidazolium derivative as structure directing agent"
			J. Am. Chem. Soc., 132, 10221-10223 (2010)

	Name and Code derivation:
		Institut Français du Pétrole and University of Mulhouse - twenty   IM-20, Mulhouse (twenty)   UWY