Noncovalent supramolecular interactions in the crystal structure of 2-amino-3,5-dibromo-4,6-dimethylpyridinium tetrabromocadmate(II)

被引：24

作者：

Al-Far, Rawhi

Ali, Basem F. ^{[1
]}

机构：

[1] Al al Bayt Univ, Dept Chem, Mafraq, Jordan

[2] Al Balqaa Appl Univ, Fac Sci & IT, Salt, Jordan

来源：

JOURNAL OF CHEMICAL CRYSTALLOGRAPHY | 2007年 / 37卷 / 05期

关键词：

pyridinium salts; supramolecular motifs; N-H center dot center dot center dot Br and C-H center dot center dot center dot Br hydrogen bonds; Br center dot center dot center dot Br and Br center dot center dot center dot pi interactions;

D O I：

10.1007/s10870-006-9161-x

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Reaction of 2-amino-4,6-dimethylpyridine with cadmium chloride, HBr and Br-2 in ethanol yeilds bis(2-amino-3,5-dibromo-4,6-dimethylpyridinium) tetrabromocadmate(II). The complex crystallizes in the monoclinic space group P2(1)/c, with tetrahedral distortion of the CdBr42- ion. The cations are arranged in a zig-zag chains that are held together via Br center dot center dot center dot Br, Br center dot center dot center dot pi, pi center dot center dot center dot Br center dot center dot center dot pi and pi-pi interactions. Extensive CdBr42-center dot center dot center dot cation interactions were found and represented in different Br center dot center dot center dot HN (pyridinic and aminic) and Br center dot center dot center dot HCH2 hydrogen bonding along with Br center dot center dot center dot Br motifs.

引用

页码：333 / 341

页数：9

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