Cs[Cl3F10] : A Propeller-Shaped [Cl3F10]− Anion in a Peculiar A[5]B[5] Structure Type
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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Date
2020-10-05
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Mcode
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Language
en
Pages
4
18116-18119
18116-18119
Series
Angewandte Chemie - International Edition, Volume 59, issue 41
Abstract
Reaction of CsF with ClF3 leads to Cs[Cl3F10]. It contains a molecular, propeller-shaped [Cl3F10]− anion with a central μ3-F atom and three T-shaped ClF3 molecules coordinated to it. This anion represents the first example of a heteropolyhalide anion of higher ClF3 content than [ClF4]− and is the first Cl-containing interhalogen species with a μ-bridging F atom. The chemical bonds to the central μ3-F atom are highly ionic and quite weak as the bond lengths within the coordinating XF3 units (X = Cl, and also calculated for Br, I) are almost unchanged in comparison to free XF3 molecules. Cs[Cl3F10] crystallizes in a very rarely observed A[5]B[5] structure type, where cations and anions are each pseudohexagonally close packed, and reside, each with coordination number five, in the trigonal bipyramidal voids of the other.Description
Keywords
density functional theory calculations, fluorides, halogens, interhalogen compound, X-ray diffraction
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Citation
Scheibe , B , Karttunen , A J , Müller , U & Kraus , F 2020 , ' Cs[Cl 3 F 10 ] : A Propeller-Shaped [Cl 3 F 10 ] − Anion in a Peculiar A [5] B [5] Structure Type ' , Angewandte Chemie - International Edition , vol. 59 , no. 41 , pp. 18116-18119 . https://doi.org/10.1002/anie.202007019