LIO: Type Material

Database of Zeolite Structures

Framework Type LIO

Reference Material

	Material Name:	Liottite
	Chemical Formula:	\|Na_9.96(K,Ca)_8.04Ca₆(SO₄)₅Cl_3.3F_0.5\| [Al₁₈Si₁₈O₇₂]-LIO
	Unit Cell:^§	hexagonal	P -6 (# 174)
		a' = 12.8700 Å	b' = 12.8700 Å	c' = 16.0960 Å
		α' = 90.000°	β' = 90.000°	γ' = 120.000°
	Framework Density:	15.6 T/1000 Å³

Channels:

apertures formed by 6-rings only

Dimensionality
	Sorption (molecular cross section > 3.4Å):	0-dimensional
	Topological (pore opening > 6-ring):	0-dimensional

	References:
		Merlino, S. and Orlandi, P.
			"Liottite, a new mineral in the cancrinite-davyne group"
			Am. Mineral., 62, 321-326 (1977)
			Material name: Liottite
			Chemical formula: [Al₁₈Si₁₈O₇₂]-LIO
	^§	Ballirano, P., Merlino, S. and Bonaccorsi, E.
			"The crystal structure of liottite, a six-layer member of the cancrinite group"
			Can. Mineral., 34, 1021-1030 (1996)

	Name and Code derivation:
		Liottite LIO



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

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