Opening ZIF-8: A catalytically active zeolitic imidazolate framework of sodalite topology with unsubstituted linkers

Olga Karagiaridi; Marianne B. Lalonde; Wojciech Bury; Amy A. Sarjeant; Omar K. Farha; Joseph T. Hupp

doi:10.1021/ja308786r

Opening ZIF-8: A catalytically active zeolitic imidazolate framework of sodalite topology with unsubstituted linkers

Olga Karagiaridi, Marianne B. Lalonde, Wojciech Bury, Amy A. Sarjeant, Omar K. Farha, Joseph T. Hupp

Northwestern University

Research output: Contribution to journal › Article › peer-review

254 Citations (Scopus)

Abstract

A zeolitic imidazolate framework material of SOD topology possessing primarily unsubstituted imidazolate (im) linkers has been synthesized via solvent-assisted linker exchange (SALE) of ZIF-8. The structure of the new material, SALEM-2, has been confirmed through ¹H NMR and powder and single-crystal X-ray diffraction. SALEM-2 is the first example of a porous Zn(im)₂ ZIF possessing a truly zeolitic topology that can be obtained in bulk quantities. Upon treatment with n-butyllithium, the open analogue exhibits Brønsted base catalysis that cannot be accomplished by the parent material ZIF-8. Additionally, it displays a different size cutoff for uptake and release of molecular guests than does ZIF-8.

Original language	English
Pages (from-to)	18790-18796
Number of pages	7
Journal	Journal of the American Chemical Society
Volume	134
Issue number	45
DOIs	https://doi.org/10.1021/ja308786r
Publication status	Published - Nov 14 2012

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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10.1021/ja308786r

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Opening ZIF-8 : A catalytically active zeolitic imidazolate framework of sodalite topology with unsubstituted linkers. / Karagiaridi, Olga; Lalonde, Marianne B.; Bury, Wojciech; Sarjeant, Amy A.; Farha, Omar K.; Hupp, Joseph T.

In: Journal of the American Chemical Society, Vol. 134, No. 45, 14.11.2012, p. 18790-18796.

Research output: Contribution to journal › Article › peer-review

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abstract = "A zeolitic imidazolate framework material of SOD topology possessing primarily unsubstituted imidazolate (im) linkers has been synthesized via solvent-assisted linker exchange (SALE) of ZIF-8. The structure of the new material, SALEM-2, has been confirmed through 1H NMR and powder and single-crystal X-ray diffraction. SALEM-2 is the first example of a porous Zn(im)2 ZIF possessing a truly zeolitic topology that can be obtained in bulk quantities. Upon treatment with n-butyllithium, the open analogue exhibits Br{\o}nsted base catalysis that cannot be accomplished by the parent material ZIF-8. Additionally, it displays a different size cutoff for uptake and release of molecular guests than does ZIF-8.",

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AB - A zeolitic imidazolate framework material of SOD topology possessing primarily unsubstituted imidazolate (im) linkers has been synthesized via solvent-assisted linker exchange (SALE) of ZIF-8. The structure of the new material, SALEM-2, has been confirmed through 1H NMR and powder and single-crystal X-ray diffraction. SALEM-2 is the first example of a porous Zn(im)2 ZIF possessing a truly zeolitic topology that can be obtained in bulk quantities. Upon treatment with n-butyllithium, the open analogue exhibits Brønsted base catalysis that cannot be accomplished by the parent material ZIF-8. Additionally, it displays a different size cutoff for uptake and release of molecular guests than does ZIF-8.

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Opening ZIF-8: A catalytically active zeolitic imidazolate framework of sodalite topology with unsubstituted linkers

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