期刊
JOURNAL OF MOLECULAR STRUCTURE
卷 524, 期 -, 页码 87-94出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0022-2860(99)00445-7
关键词
iodoperfluoroalkane; electron donors; infrared and Raman spectroscopy; self-assembly
An attractive intermolecular interaction which has been called halogen bonding exists between the nitrogen, sulfur, or oxygen atoms present in HC motifs and the iodine atom of PFC residues. The halogen bonding is strong enough to overcome the low affinity existing between PFC and HC compounds, driving their self-assembly into supramolecular architectures. The non-covalent co-polymer formed by 1,2-diiodotetrafluoroethane with diazabicyclooctane has been prepared and characterised by FT-IR and -Raman spectroscopies. We propose the changes shown by the vibrational spectra of single PFC and HC components when involved in halogen bonded co-polymers as diagnostic probes of the interaction and as tools to rank the electron-donor ability of differently heteroatom substituted hydrocarbons. (C) 2000 Elsevier Science B.V. All rights reserved.
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