Two Aluminophosphate Molecular Sieves Built from Pairs of Enantiomeric Structural Building Units
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- Title
- Two Aluminophosphate Molecular Sieves Built from Pairs of Enantiomeric Structural Building Units
- Authors
- Seo, Seungwan; Yang, Taimin; Shin, Jiho; Jo, Donghui; Zou, Xiaodong; Hong, Suk Bong
- Date Issued
- 2018-03
- Publisher
- WILEY-V C H VERLAG GMBH
- Abstract
- Herein we report the synthesis and structures of two new small-pore aluminophosphate molecular sieves PST-13 and PST-14 with mutually connected 8-ring channels. The structure of PST-13, synthesized using diethylamine as an organic structure-directing agent, contains penta-coordinated framework Al atoms bridged by hydroxy groups and thus edge-sharing 3- and 5-rings. Upon calcination, PST-13 undergoes a transformation to PST-14 with loss of bridging hydroxy groups and occluded organic species. The structures of both materials consist nonjointly of pairs of previously undiscovered 1,5- and 1,6-open double 4-rings (d4rs) which are mirror images of each other. We also present a series of novel chemically feasible hypothetical structures built from 1-open d4r (sti) or 1,3-open d4r (nsc) units, as well as from these two enantiomeric structural building units.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/95937
- DOI
- 10.1002/anie.201800791
- ISSN
- 1433-7851
- Article Type
- Article
- Citation
- ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, vol. 57, no. 14, page. 3727 - 3732, 2018-03
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