Kasthuri Rangan, K. ; Gopalakrishnan, J. (1996) Synthesis of layered MoOPO4 · 2H2O and investigation of its intercalation chemistry Inorganic Chemistry, 35 (21). pp. 6080-6085. ISSN 0020-1669
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Official URL: http://pubs.acs.org/doi/abs/10.1021/ic960027c
Related URL: http://dx.doi.org/10.1021/ic960027c
Abstract
We describe in this paper the synthesis and characterization of a new layered phosphate, MoOPO4·2H2O (I), and its intercalation chemistry. The phosphate I, crystallizing in a tetragonal structure (a = 6.375(7), c = 7.80(1) Å, and Z = 2) similar to that of VOPO4·2H2O, has been synthesized by the reduction of MoO2(HPO4)·H2O (II) using ethylene glycol in an CH3CN medium at ~60°C. Interestingly, I could be readily oxidized back to II using Br2 in CH3CN at room temperature. Considering the close structural relationship existing between I and II, it is likely that the reduction and oxidation of the phosphates proceed by a topotactic mechanism. I is a novel layered host intercalating a variety of organic bases such as n-alkylamines, pyridine, and aniline, mainly through an acid-base interaction. Unlike VOPO4·2H2O, I does not exhibit reductive intercalation reactivity.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 12976 |
| Deposited On: | 11 Nov 2010 08:18 |
| Last Modified: | 02 Jun 2011 11:38 |
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