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Amine Phosphates as Intermediates in the Formation of Open-Framework Structures.
1Chemistry and Physics of Materials Unit and CSIR Centre of Excellence in Chemistry, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P.O., Bangalore 560 064 (India).
Angewandte Chemie (International Ed. in English)
|December 22, 1999
Summary
Amine phosphates serve as key intermediates in synthesizing diverse metal phosphates, including chain, ladder, layer, and 3D structures, under mild hydrothermal conditions.
Area of Science:
- Materials Science
- Inorganic Chemistry
- Crystallography
Background:
- Hydrothermal synthesis is a versatile method for creating inorganic materials.
- Metal phosphates exhibit diverse structural motifs and properties.
- Amine phosphates can potentially act as precursors or intermediates in material synthesis.
Purpose of the Study:
- To investigate the synthesis of various metal phosphate structures using amine phosphates.
- To elucidate the role of amine phosphates as intermediates in hydrothermal reactions.
- To characterize the resulting metal phosphate materials.
Main Methods:
- Mild hydrothermal synthesis.
- In situ Nuclear Magnetic Resonance (NMR) spectroscopy.
- X-ray diffraction (XRD) studies.
Main Results:
- Chain, ladder, layer, and 3D metal phosphates were successfully synthesized.
- Amine phosphates were confirmed as intermediates in these hydrothermal syntheses.
- A specific example shows a linear chain structure from piperazine phosphate and Zn(II) ions.
Conclusions:
- Amine phosphates are effective intermediates for constructing diverse metal phosphate frameworks.
- Hydrothermal conditions facilitate the controlled formation of these materials.
- The synthetic strategy offers a pathway to novel phosphate materials.