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Issue 57, 2005

Halometallate and halide ions: nucleophiles in competition for hydrogen bond and halogen bond formation in halopyridinium salts of mixed halide–halometallate anions

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Abstract

The compounds (4-ClpyH)3[PtCl6]Cl (1), (4-XpyH)3[FeCl4]2Cl [X = Cl (2); X = Br (3)] and (3-IpyH)2[AuBr3X]X (X = Cl/Br) (4) [n-XPyH = n-halopyridinium] have been synthesised and crystallographically characterised. Their structures illustrate two potential problems of preparing crystals of halometallate salts using aqueous HCl, but provide an opportunity to examine the competition between halometallate [MXq]p (q = 4, 6; p = 1, 2) and halide X nucleophiles for both hydrogen bond (N–H⋯X) and halogen bond (C–X⋯X′) formation.

Graphical abstract: Halometallate and halide ions: nucleophiles in competition for hydrogen bond and halogen bond formation in halopyridinium salts of mixed halide–halometallate anions

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Publication details

The article was received on 16 Mar 2005, accepted on 10 May 2005 and first published on 18 May 2005


Article type: Paper
DOI: 10.1039/B503858H
Citation: CrystEngComm, 2005,7, 350-354
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    Halometallate and halide ions: nucleophiles in competition for hydrogen bond and halogen bond formation in halopyridinium salts of mixed halide–halometallate anions

    F. Zordan, S. L. Purver, H. Adams and L. Brammer, CrystEngComm, 2005, 7, 350
    DOI: 10.1039/B503858H

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