LiEC(SiMe3)3 (E = Se, Te) as a new donor of chalcogen atoms for the generation of binary [(RxGey)Ez] cage compounds with unique structural features

Tanja Kunz; Orhan Şahin; Claudio Schrenk; Andreas Schnepf

doi:10.1039/D0DT04280C

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LiEC(SiMe₃)₃ (E = Se, Te) as a new donor of chalcogen atoms for the generation of binary [(R_xGe_y)E_z] cage compounds with unique structural features†

Tanja Kunz,

^a Orhan Şahin,^a Claudio Schrenk

^a and Andreas Schnepf

*^a

Author affiliations

* Corresponding authors

^a Chemistry Department, University Tübingen, Auf der Morgenstelle 18, D-72076 Tübingen, Germany
E-mail: andreas.schnepf@uni-tuebingen.de
Fax: +49 (7071) 28-2436
Tel: +49 (7071) 29-76635

Abstract

The reaction of GeCl₂·dioxane with LiEC(SiMe₃)₃ (E = Se, Te) shows unexpected products different from those of the previously presented reaction system GeCl₂·dioxane/LiSC(SiMe₃)₃. Here, LiEC(SiMe₃)₃ (E = Se, Te) acts as a chalcogen atom donor and simultaneously as a substituent to give cage compounds of the composition [(R_xGe_y)E_z] with unique structural features of the Ge/E cores. The molecular structures are presented together with a possible formation mechanism of the selenium/germanium cage compound [{((SiMe₃)₃CGe)₂GeSe₄}₂(μ²-Se)₂] supported by quantum chemical calculations.

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Article information

DOI: https://doi.org/10.1039/D0DT04280C
Article type: Paper
Submitted: 17 Dec 2020
Accepted: 19 Jan 2021
First published: 02 Feb 2021

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Dalton Trans., 2021,50, 2663-2670

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LiEC(SiMe₃)₃ (E = Se, Te) as a new donor of chalcogen atoms for the generation of binary [(R_xGe_y)E_z] cage compounds with unique structural features

T. Kunz, O. Şahin, C. Schrenk and A. Schnepf, Dalton Trans., 2021, 50, 2663 DOI: 10.1039/D0DT04280C

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