Basumatary, Jayanta K. ; Chaudhuri, Mihir K. ; Purkayastha, Ranendra N. Dutta ; Hiese, Zavei (1986) First synthesis and structural assessment of alkali-metal carbonatodioxoperoxouranate(VI) monohydrates, A2[UO2(O2)(CO3)].H2O, and carbonato-oxodiperoxovanadate(V) trihydrates, A3[VO(O2)2(CO3)].3H2O Journal of the Chemical Society, Dalton Transactions (3). pp. 709-711. ISSN 0300-9246
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Official URL: http://www.rsc.org/publishing/journals/DT/article....
Related URL: http://dx.doi.org/10.1039/DT9860000709
Abstract
The complexes A2[UO2(O2)(CO3)].H2O (A = Na or K) have been synthesised from the reaction of the product obtained by treating UO2(NO3)2.6H2O with AOH and AHCO3(ratio U : CO32-= 1:4) with an excess of 30% H2O2 at pH 7-8, and A3[VO(O2)2(CO3)].3H2O (A = Na or K) have been synthesised by treating V2O5 with A2CO3(ratio V: CO32-= 1 :1.5) and an excess of 30% H2O2 at pH ca. 7. They were precipitated with ethanol. The occurrence of trans OUO and terminal VO in the [UO2(O2)(CO3)]2- and [VO(O2)2(CO3)]3- ions, respectively, and the presence of triangular bidentate O22- and chelated bidentate CO32- groups, have been ascertained from i.r. and laser Raman spectra. The complexes A2[UO2(O2)(CO3)].H2O can be dehydrated at Ca. 100 °C, a temperature at which A3[VO(O2)2(CO3)].3H2O starts to decompose.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Royal Society of Chemistry. |
| ID Code: | 23539 |
| Deposited On: | 25 Nov 2010 13:10 |
| Last Modified: | 30 May 2011 07:47 |
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