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Reinvestigation of bis(2,2′-bipyridine)(nitrato-κ2O,O′)cobalt(III) hydroxide nitrate tetrahydrate

✍ Scribed by Wojciechowska, A. ;Daszkiewicz, M.

Publisher: International Union of Crystallography
Year: 2007
Tongue: English
Weight: 913 KB
Volume: 63
Category: Article
ISSN: 1600-5368
DOI: 10.1107/s160053680705605x

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✦ Synopsis

Single crystals of the title compound, [Co(NO 3 )(C 10 H 8 N 2 ) 2 ]-(OH)(NO 3 )Á4H 2 O, were obtained from a Co 2+ -2,2 0 -bipyridine-CrO 4 2À mixture as the second crystalline product. The present single-crystal study confirms a previous refinement [Reimann, Zocchi, Mighell & Santoro (1971). Acta Cryst. B27, 2211-2218], and also includes all H-atom positions, which were identified from a difference map. The structure displays an O-HÁ Á ÁO hydrogen-bonding network between the noncoordinated nitrate group, the hydroxide anion and the water molecules, forming a framework around the distorted octahedral Co complex. A twofold rotation axis passes through Co and the nitrato ligand.

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