The first crystal structure of a complex from a lower rim calix(4)arene alicyclic amino derivative: {tetrakis[1-(ethyl)piperidinium]oxyl} p-tert-butylcalix(4)arene-bis-[tetrachloroaurate(III)]dichloro dihydrate

Protonated lower rim calix(4)arene amino derivatives are able to interact with anions. This statement is corroborated by the first crystal structure of {tetrakis[1-(ethyl)piperidinium]oxyl} p-tert-butylcalix(4)arene-bis-[tetrachloroaurate(III)]dichloro dihydrate which shows that the protonated nitro...

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Bibliographic Details
Published in:Inorganica Chimica Acta 1999-02, Vol.285 (1), p.142-144
Main Authors: Danil de Namor, Angela F, Piro, Oscar E, Castellano, Eduardo E, Aguilar-Cornejo, Adolfo F, Sueros Velarde, Felix J
Format: Article
Language:English
Subjects:
Calixarene complexes
Crystal structures
Gold complexes
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Summary:Protonated lower rim calix(4)arene amino derivatives are able to interact with anions. This statement is corroborated by the first crystal structure of {tetrakis[1-(ethyl)piperidinium]oxyl} p-tert-butylcalix(4)arene-bis-[tetrachloroaurate(III)]dichloro dihydrate which shows that the protonated nitrogen atoms of the four piperidino pendant groups interact via hydrogen bond formation with two chloride ions and a water molecule. Two AuCl 4 − anions are located outside the hydrophilic cavity.
ISSN:0020-1693
1873-3255
DOI:10.1016/S0020-1693(98)00304-1