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Coordination between cobalt (II) ion and carbonyl group in acetone probed by using DAOSD approach
Liu, J; Gao, YL; 郑黎荣; Zheng, LR; Gao, DQ; He, AQ; Liu, YH; Weng, SF; Zhao, Y; Yang, ZL; Yang, LM; Wen, XD; Xu, YZ; Noda, I; Wu, JG;
2014
发表期刊JOURNAL OF MOLECULAR STRUCTURE
卷号1069期号:SI页码:217-222
摘要We applied a newly developed technique of the DAOSD (Double Asynchronous Orthogonal Sample Design) approach to probe weak coordination between Co2+ ions and acetone. Subtle spectral variation on the carbonyl band of acetone and d-d transition band are revealed via cross peaks of 2D asynchronous spectra generated by using the DAOSD approach. These results suggest that coordination occur between cobalt ions and the carbonyl group of acetone. To confirm whether coordination occur between cobalt ions and acetone, EXAFS experiments are utilized. The EXAFS results reveal that a Co2+ is coordinated by six methanol molecules in anhydrous COCl2/methanol solution. Upon addition of acetone in into the anhydrous COCl2/methanol solution, the coordination number of Co2+ ion becomes four, and one coordinating oxygen atom is replaced by a chlorine atom. We infer that the decrease in coordination number of Co2+ ion is due to the participation of the carbonyl oxygen of acetone in the coordination since the size of acetone is larger than methanol. This result provides an alternative evidence to support the conclusion that Co2+ ions coordinate with acetone, which is separately obtained from the 2D asynchronous spectra generated by using the DAOSD approach. (C) 2014 Elsevier B.V. All rights reserved.
关键词Co2+ Acetone Coordination 2D correlation spectroscopy
学科领域Chemistry
DOI10.1016/j.molstruc.2014.02.036
收录类别SCI
WOS记录号WOS:000337989900030
引用统计
被引频次:18[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225119
专题多学科研究中心
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GB/T 7714
Liu, J,Gao, YL,郑黎荣; Zheng, LR,et al. Coordination between cobalt (II) ion and carbonyl group in acetone probed by using DAOSD approach[J]. JOURNAL OF MOLECULAR STRUCTURE,2014,1069(SI):217-222.
APA Liu, J.,Gao, YL.,郑黎荣; Zheng, LR.,Gao, DQ.,He, AQ.,...&Wu, JG;.(2014).Coordination between cobalt (II) ion and carbonyl group in acetone probed by using DAOSD approach.JOURNAL OF MOLECULAR STRUCTURE,1069(SI),217-222.
MLA Liu, J,et al."Coordination between cobalt (II) ion and carbonyl group in acetone probed by using DAOSD approach".JOURNAL OF MOLECULAR STRUCTURE 1069.SI(2014):217-222.
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