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学科主题: 有机氟化学
题名: Fluorine-containing donor-acceptor complexes: crystallographic study of the interactions between electronegative atoms(N,O,S) and halogen atoms (I,Br)
其他题名: 含氟推-拉电子络合物: 电负性原子N.O.S.和卤亲原子I,Br之间相互作用的晶体结构研究
作者: Chu QL(储千里) ; Zhu SZ(朱仕正) ; Wang ZM(王哲明) ; Huang QC(黄其辰) ; Yan SH(严顺华)
通讯作者: 朱仕正
刊名: New J. Chem.
发表日期: 2003-01-01
卷: 27, 期:10, 页:1522-1527
收录类别: SCI
部门归属: 中国科学院上海有机化学研究所元素有机化学实验室; 北京大学
英文摘要: On the basis of our results, which concern sp3N. . .Br-Rf [Rf = per(poly)fluoroalkyl], sp3O. . .I-Rf,Sp^2O. . .I-Bf, sp3N. . .I-Bf, sp2N. . .I-Rf and interactions of sp2N. . .I_Rf with different substituents, a brief profile of the interactions between electronegative atoms (N, O, S) and halogen toms (I, Br) of fluorine-containing alkylates is determined. The first example of an aliphatic fluorine-ontaining donor-acceptor supramolecule that is based on the N. . .Br-Rf interaction is reported in this paper. Our X-ray structure shows that I,2-dibromotetralfuoroethane and l,4-dimethylpiperazine alternately form endless chains depending on the N. . .Br-Rf interactions. The distance between Br and N is 2.864(3) A, which is considerably longer than the average covalent bond between N and Br, but it is also definitively shorter than the sum of the corresponding van der Waals radii of N and Br. From two other crystals, we successfully obtained precise data on the sP'3 O. . .X-Rf and sp2O. . .X_Rf interactions. Furthermore, an investigation of the substituent group effect is presented. We also report a valuable method to recrystallize and collect X-ray data of co-crystals that are easily disordered.
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/14280
Appears in Collections:中科院有机氟化学重点实验室_期刊论文

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Recommended Citation:
Chu QL,Zhu SZ,Wang ZM,et al. Fluorine-containing donor-acceptor complexes: crystallographic study of the interactions between electronegative atoms(N,O,S) and halogen atoms (I,Br)[J]. New J. Chem.,2003,27(10):1522-1527.
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