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Bis(2-{2-[2-(benzyl-carbamo-yl)phen-oxy]acetamido}-eth-yl)ammonium nitrate ethanol disolvate

, : Bis(2-{2-[2-(benzyl-carbamo-yl)phen-oxy]acetamido}-eth-yl)ammonium nitrate ethanol disolvate. Acta Crystallographica. Section E, Structure Reports Online 67(Pt 1): O203-O204

In the title compound, C(36)H(40)N(5)O(6) (+)·NO(3) (-)·2C(2)H(5)OH, the nitrate anion is disordered over the two orientations of equal occupancy while the solvent mol-ecule reveals large displacement parameters. The cation is formed by protonation of the N atom of a secondary amine in the middle of the flexible chain and the whole compound has crystallographically imposed C-2 symmetry with the crystallographic b axis. An O atom of the nitrate anion links the acidic H atoms of the cation via N-H⋯O hydrogen bonding. In addition, neighbouring cations are connected by inter-molecular N-H⋯O hydrogen bonds and π-π inter-actions between the benzamide groups of the cations [centroid-centroid distance = 4.000 (3) Å], forming a chain along [001]. The ethanol solvent mol-ecules are arranged on the side of the chain through O-H⋯O hydrogen bonds.


PMID: 21522705

DOI: 10.1107/S1600536810052670

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