The molecule of the title compound, C 10 H 18 N 8 S 2 , lies on a twofold rotation axis. Methyl C atoms contact N atoms of adjacent molecules through C-HÁ Á ÁN hydrogen bonds [3.445 (3) A ˚] in a molecular layer. In addition, the layers are linked by weak SÁ Á ÁS interactions [3.636 (3) A ˚].
Bis{1-methyl-5-[3-(1-methyl-1H-tetrazolo[5,1-a]isoindol-5-yl)allylidene]-5H-tetrazolo[5,1-a]isoindol-1-ium} tetracyanonickelate(II)
✍ Scribed by Voitenko, Zoya V. ;Yegorova, Tatyana V. ;Zatovsky, Igor V. ;Jaud, J. ;Wolf, J. G.
- Publisher
- International Union of Crystallography
- Year
- 2005
- Tongue
- English
- Weight
- 460 KB
- Volume
- 62
- Category
- Article
- ISSN
- 1600-5368
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✦ Synopsis
The molecular structure of the title compound, (C 21 H 17 N 8 ) 2 [Ni(CN) 4 ], consists of two organic cations, C 21 H 17 N 8 + or [MTIT] + , and a centrosymmetric inorganic dianion, [Ni(CN) 4 ] 2À . In the crystal structure, the ions stack along the b axis and are connected by a number of C-HÁ Á ÁN hydrogen bonds.
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In the title molecule, C 31 H 28 N 2 O 2 , the piperidinone ring adopts the usual twist-boat conformation. The aryl rings at positions 2 and 3 are axial and those at positions 5 and 6 are equatorial. In the crystal structure, there are no hydrogen bonds nor are there any significant Á Á Á stacking i
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