Structure–direction towards the new large pore zeolite NUD-3

Fei-Jian Chen; Zihao Rei Gao; Jian Li; Luis Gómez-Hortigüela; Cong Lin; Le Xu; Hong-Bin Du; Carlos Márquez-Álvarez; Junliang Sun; Miguel A. Camblor

doi:10.1039/D0CC07333D

Structure–direction towards the new large pore zeolite NUD-3†

Fei-Jian Chen,

‡^a Zihao Rei Gao,

‡^b Jian Li,

*^c Luis Gómez-Hortigüela,

^d Cong Lin,

^e Le Xu,

^e Hong-Bin Du,

*^f Carlos Márquez-Álvarez,

^d Junliang Sun

^e and Miguel A. Camblor

*^b

Author affiliations

* Corresponding authors

^a Department of Chemistry, Bengbu Medical College, Bengbu 233030, China

^b Instituto de Ciencia de Materiales de Madrid, Consejo Superior de Investigaciones Científicas (ICMM-CSIC) c/Sor Juana Inés de la Cruz 3, Madrid 28049, Spain
E-mail: macamblor@icmm.csic.es

^c Berzelii Center EXSELENT on Porous Materials, Department of Materials and Environmental Chemistry, Stockholm University, Stockholm, Sweden
E-mail: jxpxlijian@pku.edu.cn

^d Instituto de Catálisis y Petroleoquímica, Consejo Superior de Investigaciones Científicas (ICP-CSIC), c/Marie Curie 2, Madrid 28049, Spain

^e College of Chemistry and Molecular Engineering, Peking University, 5 Yiheyuan Road, Beijing, China

^f State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
E-mail: hbdu@nju.edu.cn

Abstract

The new zeolite NUD-3 possesses a three-dimensional system of large pore channels that is topologically identical to those of ITQ-21 and PKU-14. However, the three zeolites have distinctly different frameworks: a particular single 4-membered ring inside the denser portion of the zeolite is missing in PKU-14, disordered in ITQ-21 and fully ordered in NUD-3. We document these differences and use molecular simulations to unravel the mechanism by which a particular structure directing agent dication, 1,1′-(1,2-phenylenebis(methylene))bis(3-methylimidazolium), is able to orient this inner ring.

This article is part of the themed collections: Chemical Communications HOT Articles and Chemical Communications HOT articles

Chemical Communications

Structure–direction towards the new large pore zeolite NUD-3†

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Structure–direction towards the new large pore zeolite NUD-3

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