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Zeitschrift für Naturforschung B

A Journal of Chemical Sciences

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1865-7117
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Synthesis and crystal structure of the copper silylamide cluster compound [Cu9{MesSi(NPh)3}2 (PhCO2)3]

Uwe Morgenstern
  • Institut für Chemie, Naturwissenschaftliche Fakultät II, Universität Halle, Kurt-Mothes-Str. 2, 06120 Halle, Germany
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/ Christoph Wagner
  • Institut für Chemie, Naturwissenschaftliche Fakultät II, Universität Halle, Kurt-Mothes-Str. 2, 06120 Halle, Germany
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/ Kurt Merzweiler
  • Corresponding author
  • Institut für Chemie, Naturwissenschaftliche Fakultät II, Universität Halle, Kurt-Mothes-Str. 2, 06120 Halle, Germany
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Published Online: 2018-08-29 | DOI: https://doi.org/10.1515/znb-2018-0103

Abstract

The trifunctional silylamine MesSi(NHPh)3 (Mes: 2,4,6-trimethylphenyl) was prepared by standard methods from MesSiCl3 and LiNHPh. Lithiation of MesSi(NHPh)3 and subsequent reaction with copper(I) benzoate afforded the nonanuclear cluster complex [Cu9{MesSi(NPh)3}2 (PhCO2)3]·2toluene. The cluster core consists of three copper atoms which are coordinated almost linearly by the nitrogen atoms of two adjacing MesSi(NPh)3 units. Additionally, each of the silylamide nitrogen atoms is connected to a peripheral copper atom and the peripheral copper atoms are linked by μ2-κ(O,O′) bridging benzoate groups. The observed Cu–N distances are in the range 189.6(4)–196.7(3) pm.

Graphical Abstract

Keywords: benzoate; cluster; complex; copper; silylamide; X-ray

Dedicated to: Professor Werner Uhl on the occasion of his 65th birthday.

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About the article

Received: 2018-05-23

Accepted: 2018-07-20

Published Online: 2018-08-29


Citation Information: Zeitschrift für Naturforschung B, 20180103, ISSN (Online) 1865-7117, ISSN (Print) 0932-0776, DOI: https://doi.org/10.1515/znb-2018-0103.

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