期刊
JOURNAL OF FLUORINE CHEMISTRY
卷 131, 期 11, 页码 1165-1172出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jfluchem.2010.05.004
关键词
Fluorobenzene; Halide anions; Halogen bonding; Self assembly; Crystal engineering; Supramolecular chemistry
资金
- Fondazione Cariplo
- MIUR
The single crystal structures of five co-crystals formed by the reaction of different iodide and bromide salts with di- and triiodoperfluorobenzenes (I-ArF) are reported All of these perfluorocarbon-hydrocarbon systems are heteromeric three-component systems wherein the weakly coordinating cations favour the formation of naked halides which function as electron-donors towards the I-ArF modules The analysis of the crystal structures shows that I- I-ArF and Br- I-ArF halogen bonds (XBs) control the self-assembly of the obtained supramolecular architectures 2D and 3D supramolecular networks have been obtained wherein naked iodide and bromide anions act as tri- tetra- or pentadentate nodes The selected examples demonstrate that I-ArF modules can be particularly robust and reliable tectons for XB-based coordination of halide ions and afford supramolecular architectures in a rational and predictable way (C) 2010 Elsevier B V All rights reserved
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