Synthesis and X-ray crystal structures of bis(bis(μ<sub>2</sub>-2-aminoethanolato–N,O,O)–cobalt(III))–cobalt(II) hydrate, tris(biscyclohexylammonium)μ-hydroxo–bis(μ<sub>2</sub>-nitro–N,O)–hexanitro–dicobaltate(III) and biscyclohexylammonium nitrate(III)期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Synthesis and X-ray crystal structures of bis(bis(μ₂-2-aminoethanolato–N,O,O)–cobalt(III))–cobalt(II) hydrate, tris(biscyclohexylammonium)μ-hydroxo–bis(μ₂-nitro–N,O)–hexanitro–dicobaltate(III) and biscyclohexylammonium nitrate(III)

Authors:	A Golobi B &#x;tefane S Polanc

Institution:	^a Faculty of Chemistry and Chemical Technology, University of Ljubljana, Aškerčeva 5, 1000 Ljubljana, Slovenia

Abstract:	Two new cobalt complexes: Co₃(NO₂)₄(NH₂CH₂CH₂O)₄·H₂O (1) and (NH₂(C₆H₁₁)₂)₃Co₂(NO₂)₈OH]·3H₂O (2) and the compound (NH₂(C₆H₁₁)₂)NO₂ (3) were synthesised and their structures have been determined using single-crystal X-ray diffraction. Compound 1 consists of two centrosymmetrical trinuclear complexes and a water molecule of crystallization. Ligands coordinated to Co atoms are nitro and aminoethanolato groups. Structure 2 is built up of biscyclohexylammonium cations, dinuclear anions with hydroxo and nitro groups coordinated to Co atoms and water molecules. The coordination of Co atoms in both structures is roughly octahedral.

Keywords:	Cobalt complexes Crystal structure Synthesis Nitrosation Biscyclohexylammonium cation Hydrogen bonding
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