Issue 5, 2002

Abstract

Two novel aluminophosphites, [NH2(CH2)6NH2][Al(OH)(H(HPO3))2] and [Al(OH)(H(HPO3))2]·2H2O (denoted as NKX-1 and NKX-4, respectively), with a molar ratio P∶Al = 2, have been synthesized for the first time using a hydrothermal technique. Single crystals of these compounds have also been prepared. Structure refinement from single crystal X-ray diffraction data shows NKX-1 with composition [NH2(CH2)6NH2][Al(OH)(H(HPO3))2] crystallizes in the monolinic space group C2/c, with a = 29.123(17) Å, b = 6.772(4) Å, c = 6.851(4) Å, V = 1349.3(14) Å3, Z = 4, and NKX-4 with composition [Al(OH)(H(HPO3))2]·2H2O crystallizes in the orthorhombic space group Cmma, with a = 6.949(2) Å, b = 17.398(6) Å and c = 7.903(3) Å, V = 955.4(6) Å3, Z = 4. Both compounds contain AlO6 octahedra and HPO2 (OH) tetrahedra in their structure. Each AlO6 octahedron shares two hydroxide group corners with two adjacent AlO6 octahedra to form infinite Al–O–Al chains.

Graphical abstract: Hydrothermal synthesis and crystal structure of two novel aluminophosphites containing infinite Al–O–Al chains

Supplementary files

Article information

Article type
Paper
Submitted
15 Jan 2002
Accepted
14 Feb 2002
First published
21 Mar 2002

J. Mater. Chem., 2002,12, 1397-1400

Hydrothermal synthesis and crystal structure of two novel aluminophosphites containing infinite Al–O–Al chains

N. Li and S. Xiang, J. Mater. Chem., 2002, 12, 1397 DOI: 10.1039/B200507G

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