Yu, Na, Klepov, Vladislav V., Villa, Eric M., Bosbach, Dirk, Suleimanov, Evgeny V., Depmeier, Wulf, Albrecht-Schmitt, Thomas E. and Alekseev, Evgeny V. (2014) Topologically identical, but geometrically isomeric layers in hydrous alpha-, beta-Rb UO2(AsO3OH)(AsO2(OH)(2)) center dot H2O and anhydrous Rb UO2(AsO3OH)(AsO2(OH)(2)). Journal of Solid State Chemistry, 215 . pp. 152-159. DOI 10.1016/j.jssc.2014.03.017.

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Abstract

The hydrothermal reaction of uranyl nitrate with rubidium nitrate and arsenic (III) oxide results in the formation of polymorphic alpha- and beta-Rb[UO2(AsO3OH)(AsO2(OH)(2))]center dot H2O (alpha-, beta-RbUAs) and the anhydrous phase Rb[UO2(AsO3OH)(AsO2(OH)(2))] (RbUAs). These phases were structurally, chemically and spectroscopically characterized. The structures of all three compounds are based upon topologically identical, but geometrically isomeric layers. The layers are linked with each other by means of the Rb cations and hydrogen bonding. Dehydration experiments demonstrate that water deintercalation from hydrous alpha- and beta-RbUAs yields anhydrous RbLiAs via topotactic reactions. (C) 2014 Elsevier Inc. All rights reserved.

Document Type:	Article
Additional Information:	Times Cited: 0 0
Keywords:	Uranium, Arsenic, Topotactic, Layers, Structures
Research affiliation:	Kiel University Kiel University > Kiel Marine Science OceanRep > The Future Ocean - Cluster of Excellence
Refereed:	Yes
Open Access Journal?:	No
Publisher:	Elsevier
Projects:	Future Ocean
Date Deposited:	30 Mar 2015 12:54
Last Modified:	23 Sep 2019 23:14
URI:	https://oceanrep.geomar.de/id/eprint/28354

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