Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 6 (June 2013)

metal-organic compounds

Acta Cryst. (2013). E69, m303-m304    [ doi:10.1107/S1600536813011951 ]

Poly[1H-imidazol-3-ium [di-[mu]-nitrato-sodium]]

C. Trifa, A. Bouhali, S. Bouacida, C. Boudaren and T. Bataille

Abstract: In the title compound {(C3H5N2)[Na(NO3)2]}n, the NaI ion is coordinated by eight O atoms from three bidentate nitrate anions and two O atoms from two monodentate nitrate anions, displaying a bicapped trigonal-prismatic geometry. The imidazolium cation is essentially planar (r.m.s. deviation for all non-H atoms = 0.0018 Å). In the crystal, the NaI ions are connected by bridging nitrate ligands, forming layers parallel to (010). The imidazolium cations are sandwiched between these layers. Weak C-H...O hydrogen bonds link the layers into a three-dimensional network. In addtion, [pi]-[pi] inter­actions between the imidazolium rings [centroid-centroid distance = 3.588 (3) Å] are observed.

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