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New iron(III) nitrate hydrates: Fe(NO~3~)~3~· x H~2~O with x = 4, 5 and 6 by Horst Schmidt; Annifrid Asztalos; Frank Bok; Wolfgang Voigt is a Chemistry article available to read on EtoBox.

What is New iron(III) nitrate hydrates: Fe(NO~3~)~3~· x H~2~O with x = 4, 5 and 6 about?

Crystals of the title compounds were grown from their hydrous melts or solutions. The crystal structure of iron(III) trinitrate hexahydrate {hexaaquairon(III) trinitrate, [Fe(H~2~O)~6~](NO~3~)~3~} is built up from [Fe(H~2~O)~6~]^2+^octahedra and nitrate anions connected__via__hydrogen bonds. In iron(III) trinitrate pentahydrate {pentaaquanitratoiron(III) dinitrate, [Fe(NO~3~)(H~2~O)~5~](NO~3~)~2~}, one water molecule in the coordination octahedron of the Fe^III^atom is substituted by an O atom of a nitrate group. Iron(III) trinitrate tetrahydrate {triaquadinitratoiron(III) nitrate monohydrate, [Fe(NO~3~)~2~(H~2~O)~3~]NO~3~·H~2~O} represents the first example of a simple iron(III) nitrate with pentagonal–bipyramidal coordination geometry, where two bidentate nitrate anions and one water molecule form a pentagonal plane.

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Author

Horst Schmidt; Annifrid Asztalos; Frank Bok; Wolfgang Voigt

Publisher

International Union of Crystallography (IUCr)

Published

2012

Language

EN

Field

Chemistry (Physical Sciences)