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Linear-Chain AlPOs Obtained by the Reaction of Amine Phosphates with Al3+ Ions

✍ Scribed by Ayi A. Ayi; Amitava Choudhury; Srinivasan Natarajan

Book ID
102608737
Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
244 KB
Volume
156
Category
Article
ISSN
0022-4596

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✦ Synopsis

Three one-dimensional aluminum phosphates [H 3

, III, containing linear chains of corner-shared four-membered rings have been synthesized by the reaction between amine phosphates and Al 3Ψ‰ ions. The structures consist of macroanionic [Al(PO 4 )(HPO 4 )] 2؊ or [Al(PO 4 ) 2 ] 3؊ chains built up from AlO 4 and PO 4 tetrahedra, in which all the AlO 4 vertices are shared but each PO 4 has two terminal P+O linkages. The framework negative charge is balanced by the amine related cations holding phosphate chains together through hydrogen bond interactions. The chain with the composition [Al(PO 4 )(HPO 4 )] has been observed for the 5rst time.

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## Abstract The ^1^H‐NMR spectra of all diastereomeric alditols with a terminal nitro group up to a chain length of seven carbon atoms (31 compounds) have been recorded at 500 MHz in D~2~O. In most cases, a complete first‐order analysis has been performed. The spectra show systematic correlations w