Material Name:	OSB-2
	Chemical Formula:	|K44 (H2O)96| [Be22Si54O152]-OBW
	Unit Cell:§	tetragonal	I 4/m m m (# 139)
		a' = 13.7452 Å	b' = 13.7452 Å	c' = 30.6540 Å
		α' = 90.000°	β' = 90.000°	γ' = 90.000°
	Framework Density:	13.1 T/1000 Å3

	Channels:	{<110> 10 5.0 x 5.0** <-> ([001] 8 3.4 x 3.4* + <101> 8 2.8 x 4.0**) <-> <100> 8 3.3 x 3.4**}*** Dimensionality   Sorption (molecular cross section > 3.4Å): 3-dimensional   Topological (pore opening > 6-ring): 3-dimensional
	Stability:	NH4 exchanged form not stable to heating

	References:
		Cheetham, A.K., Fjellvåg, H., Gier, T.E., Kongshaug, K.O., Lillerud, K.P. and Stucky, G.D.
			"Very open microporous materials: from concept to reality"
			Stud. Surf. Sci. Catal., 135, 158 (2001)
			Material name:   OSB-2
			Chemical formula:   [Be22Si54O152]-OBW
	§	Lillerud, K.P.
			private communication, , (2004)

	Name and Code derivation:
		Universities of Oslo and Calif., Santa Barbara - two   OSB-2 (two)   OBW

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