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3,4-Dinitro-N,N,N′,N′-tetra­phenyl­thio­phene-2,5-diamine

✍ Scribed by Huang, Ping-Hsin ;Shen, Jiun-Yi ;Chang, Yu-Tang ;Wen, Yuh-Sheng ;Yeh, Ming-Chang P. ;Lin, Jiann T.


Publisher
International Union of Crystallography
Year
2005
Tongue
English
Weight
261 KB
Volume
61
Category
Article
ISSN
1600-5368

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N,N,N′,N′-Tetra­phenyl-1,1′-biphenyl-4,4
✍ Zhang, Hai-Guang ;Yu, Wen-Tao ;Yan, Shi-Na ;Cheng, Chao ;Tao, Xu-Tang 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 213 KB

The molecule of the title compound, C 36 H 28 N 2 , adopts a propeller-like shape and possesses crystallographically imposed twofold rotation symmetry. The N atom has an almost ideal trigonal geometry, indicating that the lone electron pair is involved in conjugation with the system of aromatic ring