期刊
JOURNAL OF MOLECULAR STRUCTURE
卷 1069, 期 -, 页码 127-132出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molstruc.2014.01.046
关键词
Two-dimensional asynchronous spectroscopy; Intermolecular interaction; Asynchronous
资金
- National Natural Science Foundation of China [51373003, 51074150, 21027004]
- Key Project of Chinese National Programs for Fundamental Research and Development (973 Programs) [2012CBA01203, 2013CB632602]
- Innovative Research Group Science Fund [20221603]
We explore whether it is possible to use 2D correlation spectrum to characterize intermolecular interactions between two solutes dissolved in the same solution when one substance does not possesses any characteristic peak. We demonstrate that the interaction can be manifested by characteristic cross peaks in 2D asynchronous correlated spectrum. The above cross peaks reflect the subtle spectral variations on the characteristic peak of another solute under intermolecular interaction. On the other hand, 2D synchronous spectrum is not suitable to characterize intermolecular interaction since the cross peaks contain irremovable interfering parts. The terbium-chloride/benzamide/methanol system is used to demonstrate that this approach is applicable in the real chemical system. (C) 2014 Elsevier B.V. All rights reserved.
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