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Published May 3, 1999 | public
Journal Article

SSZ-35 and SSZ-44: Two Related Zeolites Containing Pores Circumscribed by Ten- and Eighteen-Membered Rings

Abstract

Unusual one‐dimensional pores circumscribed by 10‐ and 18‐membered rings are a feature of the structures of two high‐silica molecular sieves, SSZ‐44 and SSZ‐35. Structure solution and Rietveld refinement from synchrotron powder X‐ray data reveal that the two materials are the pure end‐member polymorphs of a new fault series and contain similar layerlike units (see picture). The SSZ‐44 structure is formed by an AB stacking of the layers, whereas the SSZ‐35 structure is formed through an ABC stacking of the layer units.

Additional Information

© 1999 Wiley‐VCH Verlag GmbH, Weinheim, Fed. Rep. of Germany. Issue Online: 12 May 1999; Version of Record online: 12 May 1999; Manuscript received: 29 September 1998. P.W. thanks Dr. Ralf Grosse-Kunstleve for many helpful discussions, and the Dow Chemical Company Foundation for a Dow Graduate Fellowship.

Additional details

Created:
August 22, 2023
Modified:
October 18, 2023