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Refinement of the layered titanosilicate AM-1 from single-crystal X-ray diffraction data

✍ Scribed by Ferdov, Stanislav ;Kolitsch, Uwe ;Lengauer, Christian ;Tillmanns, Ekkehart ;Lin, Zhi ;Sá Ferreira, Rute A.

Publisher: International Union of Crystallography
Year: 2007
Tongue: English
Weight: 777 KB
Volume: 63
Category: Article
ISSN: 1600-5368
DOI: 10.1107/s160053680704812x

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✦ Synopsis

The structure of the layered noncentrosymmetric titanosilicate AM-1 (also known as JDF-L1, disodium titanium tetrasilicate dihydrate), Na~4~Ti~2~Si~8~O~22~·4H~2~O, grown as small single crystals without the use of organics, has been refined from single-crystal X-ray diffraction data. The H atom has been located for the first time, and the hydrogen-bonding scheme is also characterized by IR and Raman spectroscopy. All atoms are in general positions except for the Na, the Ti, one Ti-bound O, one Si-bound O and the water O atoms (site symmetries 2, 4, 4, 2 and 2, respectively).

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