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Mononuclear to tetranuclear structural transformation in vanadyl complexes of 3-hydroxypyridine-2-carboxylic acid (H(2)hpic)

TitleMononuclear to tetranuclear structural transformation in vanadyl complexes of 3-hydroxypyridine-2-carboxylic acid (H(2)hpic)
Publication TypeJournal Article
Year of Publication2002
AuthorsYano, S, Nakai, M, Sekiguchi, F, Obata, M, Kato, M, Shiro, M, Kinoshita, I, Mikuriya, M, Sakurai, H, Orvig, C
JournalChemistry Letters
Pagination916-917
Date PublishedSep
Type of ArticleArticle
ISBN Number0366-7022
KeywordsOXOVANADIUM(IV)
Abstract

Reaction of vanadyl sulfate with 3-hydroxypyridine-2-carboxylic acid (H(2)hpic) affords two chargeless complexes, [VO(Hhpic-O,O)(Hhpic-O,N)(H2O)].3H(2)O (1) and unprecedented cyclic tetranuclear complex [(VO)(4)(mu-(hpic-O,O’,N))(H2O)(4)].8H(2)O (2), which were characterized by X-ray crystallographic analysis. The unique structural transformation between complexes 1 and 2 was found.
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