The chemistry of vitamin B12. Part 26. Co-ordination of the malonitrile anion by CoIII corrinoids: First experimental determination of equilibrium constants for the co-ordination of a tetrahedral carbanion by a transition-metal ion

Eric A. Betterton, Susan M. Chemaly, John M. Pratt

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

Equilibrium constants for the substitution of co-ordinated H2O by the malonitrile anion, CH(CN)2-, in the CoIII corrinoids aquocobalamin and diaquocobinamide have been determined in aqueous solution at 25 °C as log K(dm3 mol-1) = 7.4 and ca. 11.5 respectively.

Original languageEnglish (US)
Pages (from-to)1619-1622
Number of pages4
JournalJournal of the Chemical Society, Dalton Transactions
Issue number8
DOIs
StatePublished - Dec 1 1985
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)

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