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A neutron diffraction and infrared spectroscopy study of the acid form of the aluminosilicate zeolite, chabazite (H- SSZ-13)

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Abstract

A powder neutron diffraction study of the structure of D-SSZ-13 (R-3m, a=13.6046(6), c=14.829(1) , Rp=3.79%, Rwp=4.79%, χ2=2.526) reveals the presence of two distinct acid sites in the unit cell, one on the six-ring at O(2) and one in the eight-ring window at O(1). These sites are also verified by DRIFT spectroscopy, showing two distinct acid sites upon the dehydration of the zeolite.

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Authors
  1. L.J. Smith
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  2. A. Davidson
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  3. A.K. Cheetham
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Smith, L., Davidson, A. & Cheetham, A. A neutron diffraction and infrared spectroscopy study of the acid form of the aluminosilicate zeolite, chabazite (H- SSZ-13). Catalysis Letters 49, 143–146 (1997). https://doi.org/10.1023/A:1019097019846

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  • DOI: https://doi.org/10.1023/A:1019097019846

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