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Issue 10, 2018
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[UCl4(HCN)4] – a hydrogen cyanide complex of uranium tetrachloride

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The reaction of uranium tetrachloride with anhydrous liquid hydrogen cyanide yields a turquoise microcrystalline powder of tetrachloridotetraformonitrileuranium(IV), [UCl4(HCN)4]. We determined the crystal structure of this compound by powder neutron diffraction. The compound was further characterized by IR spectroscopy and thermogravimetric analysis as well as by magnetic measurements. The paramagnetic compound crystallizes in the tetragonal space group type I[4 with combining macron]. To the best of our knowledge this compound represents the first structurally elucidated uranium(IV) complex with HCN as a ligand.

Graphical abstract: [UCl4(HCN)4] – a hydrogen cyanide complex of uranium tetrachloride

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Supplementary files

Article information

07 Dec 2017
02 Jan 2018
First published
17 Jan 2018

Chem. Commun., 2018,54, 1241-1244
Article type

[UCl4(HCN)4] – a hydrogen cyanide complex of uranium tetrachloride

S. S. Rudel, C. Pietzonka, M. Hoelzel and F. Kraus, Chem. Commun., 2018, 54, 1241
DOI: 10.1039/C7CC09401A

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