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  The [U2F12]2− Anion of Sr[U2F12]

Scheibe, B., Pietzonka, C., Mustonen, O., Karppinen, M., Karttunen, A. J., Atanasov, M., et al. (2018). The [U2F12]2− Anion of Sr[U2F12]. Angewandte Chemie International Edition, 57(11), 2914-2918. doi:10.1002/anie.201800743.

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 Creators:
Scheibe, Benjamin1, Author
Pietzonka, Clemens1, Author
Mustonen, Otto2, Author
Karppinen, Maarit2, Author
Karttunen, Antti J.2, Author
Atanasov, Mihail3, Author           
Neese, Frank3, Author           
Conrad, Matthias1, Author
Kraus, Florian1, Author
Affiliations:
1Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Strasse 4, 35032 Marburg, Germany, ou_persistent22              
2Department of Chemistry, Aalto University, 00076 Aalto, Finland, ou_persistent22              
3Research Department Neese, Max Planck Institute for Chemical Energy Conversion, Max Planck Society, ou_3023886              

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Free keywords: fluorine; hexafluoridouranate(V); magnetic properties; quantum chemical calculations; uranium
 Abstract: The D2h‐symmetric dinuclear complex anion [U2F12]2− of pastel green Sr[U2F12] shows a hitherto unknown structural feature: The coordination polyhedra around the U atoms are edge‐linked monocapped trigonal prisms, the UV atoms are therefore seven‐coordinated. This leads to a U–U distance of 3.8913(6) Å. A weak UV–UV interaction is observed for the dinuclear [U2F12]2− complex and described by the antiferromagnetic exchange Jexp of circa −29.9 cm−1. The crystalline compound can be easily prepared from SrF2 and β‐UF5 in anhydrous hydrogen fluoride (aHF) at room temperature. It was studied by means of single crystal X‐ray diffraction, IR, Raman and UV/VIS spectroscopy, magnetic measurements, and by molecular as well as by solid‐state quantum chemical calculations.

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Language(s): eng - English
 Dates: 2018-01-242018-03-05
 Publication Status: Published in print
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1002/anie.201800743
 Degree: -

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Title: Angewandte Chemie International Edition
  Abbreviation : Angew. Chem., Int. Ed.
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 57 (11) Sequence Number: - Start / End Page: 2914 - 2918 Identifier: ISSN: 1433-7851
CoNE: https://pure.mpg.de/cone/journals/resource/1433-7851