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Bis(μ-4-nitro­pyridine N-oxide-κ2O:O)­bis­[dibromo­copper(II)]

✍ Scribed by Twamley, Brendan

Publisher
International Union of Crystallography
Year
2005
Tongue
English
Weight
438 KB
Volume
61
Category
Article
ISSN
1600-5368

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In the binuclear centrosymmetric title compound, [Cu 2 Br 4 (C 6 H 7 NO 2 ) 2 ], two 4-methoxypyridine N-oxide ligands bridge two Cu atoms, conferring a square-planar geometry on Cu. Hydrogen bonds of the C-HÁ Á ÁBr type lead to the formation of a sheet structure.

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Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.004 A Ê R factor = 0.032 wR factor = 0.089 Data-to-parameter ratio = 12.0 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

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In the title mononuclear complex, [Cu(ClO 4 ) 2 (C 5 H 4 N 2 O 3 ) 4 ], the six-coordinated Cu II ion lies on an inversion centre and presents a slightly distorted octahedral geometry. Astacking interaction is observed between symmetry-related pyridine rings.