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Synthesis, Structure, and Properties of [Hg6As4][YbBr6]Br, a Supramolecular Assembly Featuring a Discrete [YbBr6]3- Anion

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons126838

Schnelle,  W.
Walter Schnelle, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Olenev, A. V., Shestimerova, T. A., Schnelle, W., & Shevelkov, A. V. (2005). Synthesis, Structure, and Properties of [Hg6As4][YbBr6]Br, a Supramolecular Assembly Featuring a Discrete [YbBr6]3- Anion. Zeitschrift für anorganische und allgemeine Chemie, 631, 1698-1701. doi:10.1002/zaac.200500059.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0015-2CB9-2
Abstract
A novel supramolecular assembly [Hg6As4][YbBr6]Br has been prepared and its structure determined. It crystallizes in a cubic space group equation image, a = 12.362(1) Å, with Z = 4. The title compound is a bi-compartmental supramolecular architecture that is built of a three-dimensional [Hg6As4]4+ cationic framework trapping two types of guest anions, [YbBr6]3− and Br−, in a chessboard-like order. [Hg6As4][YbBr6]Br is a Curie-Weiss paramagnet with a magnetic moment of 4.47 μB, which reflects the localized character of the 4f13 electrons of Yb. Thus, the whole assembly behaves as a magnetically dilute compound.