RFE: Framework Type

Framework Type RFE

Framework

	Framework density (FD_Si):	19.7 T/1000 Å³
	Topological density:	TD₁₀ = 1003
	Essential rings:	[10₁·6₉·5₁·4₁]
	Channel dimensionality:	Topological (pore opening > 6-ring): 1-dimensional

Maximum diameter of a sphere:

that can be included

6.36 Å

that can diffuse along

a: 5.59 Å

b: 2 Å

c: 1.81 Å

Accessible volume:

6.55 %

Composite Building Units:


	afi (t-afi )	mel	imf (t-imf-7 )


	Natural Tiling	t-kah	t-mel	t-afi	t-imf-7	t-odp

Framework images
(click on icon for larger image)

viewed along [100]

Shear planes

Shear plane reported along {011} with a/2 shift

A probable location is shown in the pictures to the right.

	References
	"Synthesis and Structure of RUB-58: An Almost Ordered, Highly Crystalline Member of the ZSM-48 Family of Zeolites"
	Marler, B., Baerlocher, C., McCusker, L.B. and Gies, H.
	Cryst. Growth Des., 23, 2770-2781 (2023)

Shear planes viewed along (100)

Example of {011} shear plane

	"Crystal structure of ZSM-48: a 40-year-old puzzle resolved"
	McCusker, L.B., Marler, B., Baerlocher, Ch., Park, Y. and Gies, H.
	Crystal Growth & Des., 25, 1605-1613 (2025)

Example of {011} shear planes forming a column

Year code assigned	2023
Data last updated	June 23, 2023