(NH4)2[Mg4(H2O) 18(H2W12O42)]·10H 2O, a new compound containing chains formed by magnesium and paradodecahedral tungstate ions

Jing Li, Ru Ji Wang, Charlie C. Torardi

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A new ammonium magnesium paradodecatungstate decahydrate, namely diammonium octadecaaquahydrogentetramagnesiododecatungstate decahydrate, (NH4)2-[Mg4(H2O)18(H 2W12O42)]·10H2O, was prepared by the reaction of (NH4)10[H2W12O 42]·4H2O with MgCl2 in aqueous solution. The skeleton of the paradodecatungstate ion, [H2W12O42]10-, is basically the same as those in the known paradodecatungstates. It consists of 12 interconnected WO6 octahedra and its centre is located at a crystallographic inversion centre. Both independent Mg atoms are octahedrally coordinated by six O atoms. One magnesium octahedron shares an O atom with a paradodecatungstate group and the other magnesium octahedron shares two O atoms, each with different paradodecatungstate groups, to form a one-dimensional [Mg4(H2O)18(H2W12O 42)]2n- n chain along the b direction.

Original languageEnglish
Pages (from-to)1388-1391
Number of pages4
JournalActa Crystallographica Section C: Crystal Structure Communications
Volume55
Issue number9
Publication statusPublished - Sep 15 1999

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ASJC Scopus subject areas

  • Condensed Matter Physics
  • Structural Biology

Cite this

(NH4)2[Mg4(H2O) 18(H2W12O42)]·10H 2O, a new compound containing chains formed by magnesium and paradodecahedral tungstate ions. / Li, Jing; Wang, Ru Ji; Torardi, Charlie C.

In: Acta Crystallographica Section C: Crystal Structure Communications, Vol. 55, No. 9, 15.09.1999, p. 1388-1391.

Research output: Contribution to journalArticle

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abstract = "A new ammonium magnesium paradodecatungstate decahydrate, namely diammonium octadecaaquahydrogentetramagnesiododecatungstate decahydrate, (NH4)2-[Mg4(H2O)18(H 2W12O42)]·10H2O, was prepared by the reaction of (NH4)10[H2W12O 42]·4H2O with MgCl2 in aqueous solution. The skeleton of the paradodecatungstate ion, [H2W12O42]10-, is basically the same as those in the known paradodecatungstates. It consists of 12 interconnected WO6 octahedra and its centre is located at a crystallographic inversion centre. Both independent Mg atoms are octahedrally coordinated by six O atoms. One magnesium octahedron shares an O atom with a paradodecatungstate group and the other magnesium octahedron shares two O atoms, each with different paradodecatungstate groups, to form a one-dimensional [Mg4(H2O)18(H2W12O 42)]2n- n chain along the b direction.",
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