Syntheses, crystal structures, thermal stabilities, magnetism and luminescence of two 3D metal phosphonates

Hydrothermal reactions of ZnII or CuII ion with 1-hydroxyl-2-(3-pyridyl)ethylidene-1,1-diphosphonic acid (H4L) afforded two metal phosphonates, namely, [Zn2(L)(H2O)] (1) and [Cu4(L)2 (H2O)4][middle dot](H2O)1.25 (2). In 1, [ZnO3N], [ZnO4] and [PO3C] tetrahedra are connected through corner-sharings t...

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Bibliographic Details
Published in:CrystEngComm 2011-01, Vol.13 (7), p.2331-2335
Main Authors: Fu, Ruibiao, Hu, Shengmin, Wu, Xintao
Format: Article
Language:English
Subjects:
Anions
Channels
COPPER OXIDE
Corners
CRYSTAL STRUCTURE
LUMINESCENCE
MAGNETIC PROPERTIES
Nitrobenzenes
PHOSPHONATES
THERMAL STABILITY
Three dimensional
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Summary:Hydrothermal reactions of ZnII or CuII ion with 1-hydroxyl-2-(3-pyridyl)ethylidene-1,1-diphosphonic acid (H4L) afforded two metal phosphonates, namely, [Zn2(L)(H2O)] (1) and [Cu4(L)2 (H2O)4][middle dot](H2O)1.25 (2). In 1, [ZnO3N], [ZnO4] and [PO3C] tetrahedra are connected through corner-sharings to form a 3D framework with a 14MR ellipsoid-like channel. In 2, the [PO3C] tetrahedron also shares corners with a copper square-pyramid ([CuO4N], [CuO5]) into a hybrid layer, which is further pillared by L4- anion into a 3D neutral framework. Solid 1 is thermally stable up to 250 [degree]C under an air atmosphere and displays UV luminescence. More interestingly, the dehydrated phase of 1 is selective and reversible for sensing of nitrobenzene. And the magnetic property of 2 has also been studied.
ISSN:1466-8033
1466-8033
DOI:10.1039/c0ce00791a