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2-{1-[2-((2-Ammonio-ethyl){2-[1-(5-chloro-2-hydroxy-phen-yl)ethyl-idene-amino]eth-yl}amino)ethyl-iminio]eth-yl}-4-chloro-phenolate trifluoro-acetate. 2009

See Mun Lee, and Hapipah Mohd Ali, and Kong Mun Lo, and Seik Weng Ng
Department of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia.

In the title ion-pair, C(22)H(29)Cl(2)N(4)O(2) (+)·C(2)F(3)O(2) (-), ammonium-carboxyl-ate N-H⋯O hydrogen bonds link two cations and two anions about a centre of inversion to generate a hydrogen-bonded tetramer. In the cation, one of the imino N atoms is protonated and donates a hydrogen bond to the O atom of the adjacent chloro-phenyl ring. The other imino N atom acts as a hydrogen-bond acceptor from a phenolate O atom.

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