A new decavanadate with a tricobalt(II) cation and 18-crown-6, tris{hexaaquacobalt(II)} decavanadate bis(18-crown-6) decahydrate

Autor:	Hea-Chung Joo, Uk Lee, Ki-Min Park, Yeon-Hwa Jung
Rok vydání:	2003
Předmět:	Tris Bond length chemistry.chemical_compound Crystallography chemistry Hydrogen bond Inorganic chemistry 18-Crown-6 General Materials Science Ether General Chemistry Condensed Matter Physics
Zdroj:	Acta Crystallographica Section E Structure Reports Online. 59:m421-m424
ISSN:	1600-5368
Popis:	The title compound, [CoII(H2O)6]3[V10O28]·(18-Crown-6)2·10H2O, was obtained by mixing 18-crown-6 with K2[CoII(H2O)6]2[V10O28]·4H2O. The centrosymmetric [V10O28]6− polyanion forms a three-dimensional network via O—H⋯O hydrogen bonds with water mol­ecules. The V⋯V distances are in the range 3.068 (1)–3.266 (1) A; the four types of V—O bond lengths are in the ranges 1.599 (3)–1.611 (2) (Ot), 1.923 (2)–2.030 (2) (Oc), 1.668 (2)–2.110 (3) (Ob) and 2.062 (2)–2.365 (2) A (Oh). The number of Co2+ cations in the structure could be controlled by the neutral, bulky 18-crown-6 ether. All of the six O atoms in the 18-crown-6 form hydrogen bonds with water mol­ecules.
Databáze:	OpenAIRE
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