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Inorganics 2017, 5(1), 11;

Structural Study of Mismatched Disila-Crown Ether Complexes

Fachbereich Chemie and Wissenschaftliches Zentrum für Materialwissenschaften (WZMW), Philipps-Universität Marburg, Hans-Meerwein Straße 4, D-35032 Marburg, Germany
Author to whom correspondence should be addressed.
Academic Editor: Matthias Westerhausen
Received: 21 December 2016 / Revised: 25 January 2017 / Accepted: 2 February 2017 / Published: 9 February 2017
(This article belongs to the Special Issue s-Block Metal Complexes)
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Mismatched complexes of the alkali metals cations Li+ and Na+ were synthesized from 1,2-disila[18]crown-6 (1 and 2) and of K+ from 1,2,4,5-tetrasila[18]crown-6 (4). In these alkali metal complexes, not all crown ether O atoms participate in the coordination, which depicts the coordination ability of the C-, Si/C-, and Si-bonded O atoms. Furthermore, the inverse case—the coordination of the large Ba2+ ion by the relatively small ligand 1,2-disila[15]crown-5—was investigated, yielding the dinuclear complex 5. This structure represents a first outlook on sandwich complexes based on hybrid crown ethers. View Full-Text
Keywords: hybrid crown ether; siloxane; disilane; mismatch complex; host–guest chemistry hybrid crown ether; siloxane; disilane; mismatch complex; host–guest chemistry

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Reuter, K.; Dankert, F.; Donsbach, C.; von Hänisch, C. Structural Study of Mismatched Disila-Crown Ether Complexes. Inorganics 2017, 5, 11.

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