Acta Crystallographica Section E

Structure Reports Online

Volume 64, Part 1 (January 2008)

inorganic compounds


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Acta Cryst. (2008). E64, i1    [ doi:10.1107/S1600536807062368 ]

Redetermination of dicerium(III) tris(sulfate) tetrahydrate

X. Xu

Abstract: Ce2(SO4)3(H2O)4 was obtained hydrothermally from an aqueous solution of cerium(III) oxide, trimethylamine and sulfuric acid. The precision of the structure determination has been significantly improved compared with the previous result [Dereigne (1972). Bull. Soc. Fr. Mineral. Cristallogr. 95, 269-280]. The coordination about the two Ce atoms is achieved by seven and six bridging O atoms from sulfate anions. Each S atom makes four S-O-Ce linkages through bridging O atoms. The coordination sphere of each Ce is completed by two water molecules, which act as terminal ligands.

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