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Zwitterionic 1-{(1E)-[(4-hy-droxy-phen-yl)iminio]meth-yl}naphthalen-2-olate: crystal structure and Hirshfeld surface analysis.


ABSTRACT: The title zwitterion, C17H13NO2 (systematic name: 1-{(1E)-[(4-hy-droxy-phen-yl)iminium-yl]meth-yl}naphthalen-2-olate), features an intra-molecular charge-assisted N+-H?O- hydrogen bond. A twist in the mol-ecule is evident around the N-C(hy-droxy-benzene) bond [C-N-C-C torsion angle = 39.42?(8)°] and is reflected in the dihedral angle of 39.42?(8)° formed between the aromatic regions of the mol-ecule. In the crystal, zigzag supra-molecular chains along the a axis are formed by charge-assisted hy-droxy-O-H?O(phenoxide) hydrogen bonding. These are connected into a layer in the ab plane by charge-assisted hy-droxy-benzene-C-H?O(phenoxide) inter-actions and ?-? contacts [inter-centroid distance between naphthyl-C6 rings = 3.4905?(12)?Å]. Layers stack along the c axis with no specific inter-actions between them. The Hirshfeld surface analysis points to the significance C?H contacts between layers.

SUBMITTER: Devika BR 

PROVIDER: S-EPMC5683488 | biostudies-literature | 2017 Nov

REPOSITORIES: biostudies-literature

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Zwitterionic 1-{(1<i>E</i>)-[(4-hy-droxy-phen-yl)iminio]meth-yl}naphthalen-2-olate: crystal structure and Hirshfeld surface analysis.

Devika Bhai R BR   Girija C R CR   Shalini Suresh S   Jotani Mukesh M MM   Tiekink Edward R T ERT  

Acta crystallographica. Section E, Crystallographic communications 20171020 Pt 11


The title zwitterion, C<sub>17</sub>H<sub>13</sub>NO<sub>2</sub> (systematic name: 1-{(1<i>E</i>)-[(4-hy-droxy-phen-yl)iminium-yl]meth-yl}naphthalen-2-olate), features an intra-molecular charge-assisted N<sup>+</sup>-H⋯O<sup>-</sup> hydrogen bond. A twist in the mol-ecule is evident around the N-C(hy-droxy-benzene) bond [C-N-C-C torsion angle = 39.42 (8)°] and is reflected in the dihedral angle of 39.42 (8)° formed between the aromatic regions of the mol-ecule. In the crystal, zigzag supra-molec  ...[more]

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