Self-assembly of supramolecular architectures based on polybromide anions:: crystal structure of [(H4tppz4+)(Br-)2(Br2-4)] [tppz = tetra(2-pyridyl)pyrazine]

被引：32

作者：

Aragoni, MC

Arca, M

Devillanova, FA

Hursthouse, MB

Huth, SL

Isaia, F

Lippolis, V

Mancini, A

Ogilvie, H

机构：

[1] Univ Cagliari, Dipartimento Chim Inorgan & Analit, I-09042 Cagliari, Italy

[2] Univ Southampton, Sch Chem, Southampton SO17 1BJ, Hants, England

来源：

INORGANIC CHEMISTRY COMMUNICATIONS | 2005年 / 8卷 / 01期

关键词：

bromine; nitrogen donors; DFT and MP2 calculations; FT-Raman spectroscopy; X-ray diffraction;

D O I：

10.1016/j.inoche.2004.11.014

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The reaction between tetra(2-pyridyl)pyrazine (tppz) and molecular bromine afforded [(H-4 tppz(4+))(Br-)(2)(Br-4(2-))], characterised by means of FT-Raman spectroscopy and single-crystal X-ray diffraction. The crystal structure showed that the final framework can be considered as being made up by the self-assembly of the building blocks (Br-, Br-2, H(4)tppz(4+)), driven exclusively by non-covalent interactions. The nature and positions of FT-Raman peaks for the linear symmetric Br-4(2-) ion were interpreted based on MP2/ LanL2DZ calculations. (C) 2004 Elsevier B.V. All rights reserved.

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收藏

页码：79 / 82

页数：4

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