[(thf)6Ba6(dmpz)8{(OSiMe2)2O}2] (dmpz = 3,5-dimethylpyrazolate): a molecule with six barium cations in a plane capped by two siloxane dianions and framed by eight dmpz anions

Alexander Steiner; Gavin T. Lawson; Bernhard Walfort; Dirk Leusser; Dietmar Stalke

doi:10.1039/B009121I

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[(thf)₆Ba₆(dmpz)₈{(OSiMe₂)₂O}₂] (dmpz = 3,5-dimethylpyrazolate): a molecule with six barium cations in a plane capped by two siloxane dianions and framed by eight dmpz anions†

Alexander Steiner,^a Gavin T. Lawson,^a Bernhard Walfort,^b Dirk Leusser^b and Dietmar Stalke*^b

Author affiliations

* Corresponding authors

^a Department of Chemistry, University of Liverpool, Crown Street, Liverpool, UK

^b Institut für Anorganische Chemie, Universität Würzburg, Am Hubland, Würzburg, Germany
E-mail: dstalke@chemie.uni-wuerzburg.de

Abstract

In the synthesis of barium 3,5-dimethylpyrazolate, silicone joint grease and cyclo-(Me₂SiO)₄ are cleaved and two O(SiMe₂O)₂²⁻ bidentate chelating siloxane anions are coordinated above and below an unprecedented Ba₆¹²⁻ layer framed by eight σ/π coordinated pyrazolate anions.

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Supplementary files

Crystal structure data TXT (31K)

Article information

DOI: https://doi.org/10.1039/B009121I
Article type: Communication
Submitted: 14 Nov 2000
Accepted: 20 Dec 2000
First published: 12 Jan 2001

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J. Chem. Soc., Dalton Trans., 2001, 219-221

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[(thf)₆Ba₆(dmpz)₈{(OSiMe₂)₂O}₂] (dmpz = 3,5-dimethylpyrazolate): a molecule with six barium cations in a plane capped by two siloxane dianions and framed by eight dmpz anions

A. Steiner, G. T. Lawson, B. Walfort, D. Leusser and D. Stalke, J. Chem. Soc., Dalton Trans., 2001, 219 DOI: 10.1039/B009121I

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Journal of the Chemical Society, Dalton Transactions