Material Name:	ECR-34
	Chemical Formula:	|H1.2K6.3Na4.4 | [Ga11.6Al0.3Si36.1O96]-ETR
	Unit Cell:	hexagonal	P 63 m c (# 186)
		a' = 21.0300 Å	b' = 21.0300 Å	c' = 8.5300 Å
		α' = 90.000°	β' = 90.000°	γ' = 120.000°
	Framework Density:	14.7 T/1000 Å3

Channels:

[001] 18 10.1 x 10.1* <-> [001] 8 2.5 x 6.0** Dimensionality   Sorption (molecular cross section > 3.4Å): 1-dimensional   Topological (pore opening > 6-ring): 3-dimensional

	References:
		Strohmaier, K. G. and Vaughan, D.E.W.
			"Structure of the first silicate molecular sieve with 18-ring pore openings, ECR-34"
			J. Am. Chem. Soc., 125, 16035-16039 (2003)

	Name and Code derivation:
		Exxon Cooperate Research - thirty-four   ECR-34 (thirty-four)   ETR