5,5′-Dimethyl-2,2′-dithiodi-1,3,4-thiadiazole

被引：6
|
作者：
Song, JL [1 ]
Zhou, WB [1 ]
Zeng, HY [1 ]
Dong, ZC [1 ]
机构：
[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fujian 350002, Peoples R China
来源：
ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE | 2002年 / 58卷
关键词：
D O I：
10.1107/S1600536802014034
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The title compound, C6H6N4S4, is formed through the thionato S-S bonding of parent 2-mercapto-5-methyl-1,3,4-thiadiazole molecules, following the deprotonation of thiol groups in a mixed solvent. The title compound crystallizes in the monoclinic system, space group C2/c. The S-S distance is 2.028 (1) Angstrom, typical of a single bond. The two 1,3,4-thiadiazole rings in the molecule each remain planar, with a dihedral angle of 70.5 (1) Angstrom, and are related by a twofold rotation axis through the middle of the S2-S2 bond. The geometric parameters for the parent ligand are also reported, to demonstrate the influence of deprotonation on the ligand dimensions.
引用
收藏
页码：O1045 / O1047
页数：3
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