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BY-NC-ND 3.0 license Open Access Published by De Gruyter June 2, 2014

Aluminiumbromid-Pyridiniumbromid-Verbindung: Kristallstruktur Kristallstrukturbestimmung von [Tris(pyridinium)bromid]bis(tetrabromoaluminat(III))/ Aluminiumbromide-Pyridiniumbromide Compounds: Crystal Structure Crystal Structure Determination of [Tris(pyridinium)bromide]bis(tetrabromoaluminate(III))

  • Harald Burger , Karl Hensen and Peter Pickel

Abstract

The compound [(PyH)3Br][AlBr4]2 is formed by melting stoichiometric amounts of AlBr/PyHBr in a ratio of 2:3. It crystallizes in the orthorhombic space group Pbca with lattice constants a = 1365.5(2), b = 1616.0(2), c = 2783.7(3) pm, Z = 8, Dc = 2.21 g/cm3. The structure was solved from 2810 diffractometer measured intensities (Cu -Kα radiation) and refined to Rw (F) = 0.071. The cation shows three pyridinium ions attached via N - H - Br hydrogen bonds to a central bromide ion. The N - Br distances are 321(1), 321(2) and 332(2) pm.

Received: 1988-3-11
Published Online: 2014-6-2
Published in Print: 1988-8-1

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