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Poly[[[μ3-(E)-N-(pyridin-4-ylmethylidene)hydroxylaminato-κ3O:N:N′][μ2-(E)-N-(pyridin-4-ylmethylidene)hydroxylamine-κ2N:N′][(E)-N-(pyridin-4-ylmethylidene-κN)hydroxylamine]disilver(I)] nitrate]

Author(s): Shan Gao | Seik Weng Ng

Journal: Acta Crystallographica Section E
ISSN 1600-5368

Volume: 68;
Issue: 12;
Start page: m1540;
Date: 2012;
Original page

The title coordination polymer, {[Ag2(C6H5N2O)(C6H6N2O)2]NO3}n, features a deprotonated N-(pyridin-4-ylmethylidene)hydroxylaminate anion and two neutral N-(pyridin-4-ylmethylidene)hydroxylamine molecules in the asymmetric unit. The anion connects three AgI atoms through its O and two N-donor atoms. One neutral ligand functions in a monodentate mode; the other functions in a bridging mode, binding though its two N atoms. The coordination geometry of the two independent metal atoms is T-shaped; the manner of bridging gives rise to a layer motif parallel to (100). In the crystal, the nitrate ion is disordered over two positions in a 1:1 ratio, and is sandwiched between adjacent layers. O—H...O hydrogen bonding is present between nitrate ions and layers, and also between adjacent layers.
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