Crystal structure of 4,5-di-nitro-1H-imidazole.
Acta Crystallogr E Crystallogr Commun
; 71(Pt 9): o634, 2015 Sep 01.
Article
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| MEDLINE
| ID: mdl-26396875
ABSTRACT
The title compound, C3H2N4O4, forms crystals with two mol-ecules in the asymmetric unit which are conformationally similar. With the exception of the O atoms of the nitro groups, the mol-ecules are essentially planar. In the crystal, adjacent mol-ecules are associated by N-Hâ¯N hydrogen bonds involving the imidazole N-H donors and N-atom acceptors of the unsaturated nitro-gen of neighboring rings, forming layers parallel to (010).
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Acta Crystallogr E Crystallogr Commun
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2015
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Article