NDLI: Further studies on aluminophosphate molecular sieves. Part 1.—AlPO<sub>4</sub>-H2: a hydrated aluminophosphate molecular sieve

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Journal of the Chemical Society, Faraday Transactions Vol - 89 Issue - 5

Journal of the Chemical Society, Faraday Transactions Vol - 89 Issue - 4

Journal of the Chemical Society, Faraday Transactions Vol - 89 Issue - 3

Further studies on aluminophosphate molecular sieves. Part 1.—AlPO₄-H2: a hydrated aluminophosphate molecular sieve

Content Provider	Royal Society of Chemistry (RSC)
Author	Li, Hong-Xin Davis, Mark E.
Copyright Year	1993
Abstract	Pure, highly crystalline AlPO4-H2 is synthesized from an aluminophosphate gel containing dipentylamine and characterized using X-ray diffraction, Fourier-transform infrared spectroscopy, scanning electron microscopy, thermogravimetry and solid-state nuclear magnetic resonance spectroscopy. The AlPO4-H2 structure has orthorhombic symmetry with cell parameters of a= 16.184(5)Å, b= 9.914(3)Å, and c= 8.134(4)Å. It is constructed exclusively from hydrated triple crankshaft chains that also build the 18-membered ring VPl-5. AlPO4-H2 is a microporous, hydrated aluminophosphate with highly elliptical 10-ring channels (2.9 Å by 7.6 Å). One third of the framework Al atoms are octahedrally coordinated to two water molecules and four framework oxygens. Since AlPO4-H2 and VPl-5 share the same structural building unit, some of their physicochemical properties are similar. The existence of AlPO4-H2 and VPl-5 suggests that other molecular sieves with the same type of building unit can be synthesized.
Starting Page	951
Ending Page	956
Page Count	6
File Format	PDF
ISSN	09565000
Volume Number	89
Issue Number	6
Journal	Journal of the Chemical Society, Faraday Transactions
DOI	10.1039/FT9938900951
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	X-ray crystallography Thermogravimetric analysis Solid-state nuclear magnetic resonance Crankshaft Orthorhombic crystal system Nuclear magnetic resonance spectroscopy Fourier-transform infrared spectroscopy Scanning electron microscope
Content Type	Text
Resource Type	Article
Subject	Physical and Theoretical Chemistry

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