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Inorganics 2017, 5(1), 11; doi:10.3390/inorganics5010011

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
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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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Abstract

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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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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