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catena-Poly[[(nitrito-kappa O-2,O ')silver(I)]-mu-1,2-bis[1-(pyridin-4-yl)ethylidene]hydrazine-kappa N-2:N ']

Kennedy, Alan R. and Okoth, Maurice O. and Walsh, David (2011) catena-Poly[[(nitrito-kappa O-2,O ')silver(I)]-mu-1,2-bis[1-(pyridin-4-yl)ethylidene]hydrazine-kappa N-2:N ']. Acta Crystallographica Section E: Structure Reports, 67. M1138-U1193. ISSN 1600-5368

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The asymmetric unit of the title compound, [Ag( NO2)-( C14H14N4)](n), contains half of the repeating formula unit (Z ' = 1/2). The Ag-I ion lies on a twofold rotation axis. The primary structure consists of a one-dimensional coordination polymer formed by the Ag-I ions and the bipyridyl azine ligand in which there is an inversion center at the mid- point of the N-N bond. The nitrite anion interacts with the Ag-I ion through a chelating mu(2) interaction involving both O atoms. In the crystal, the coordination chains are parallel and interact through Ag center dot center dot center dot pi [3.220 (2) angstrom] and pi-pi [3.489 (3) angstrom] interactions.