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Crystal structure of a 1:1 cocrystal of nicotinamide with 2-chloro-5-nitro-benzoic acid.


ABSTRACT: In the title 1:1 cocrystal, C7H4ClNO4·C6H6N2O, nicotinamide (NIC) and 2-chloro-5-nitro-benzoic acid (CNBA) cocrystallize with one mol-ecule each of NIC and CNBA in the asymmetric unit. In this structure, CNBA and NIC form hydrogen bonds through O-H?N, N-H?O and C-H?O inter-actions along with N-H?O dimer hydrogen bonds of NIC. Further additional weak ?-? inter-actions stabilize the mol-ecular assembly of this cocrystal.

SUBMITTER: Bairagi KM 

PROVIDER: S-EPMC6829734 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature

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Crystal structure of a 1:1 cocrystal of nicotinamide with 2-chloro-5-nitro-benzoic acid.

Bairagi Keshab M KM   Pal Priyanka P   Bhandary Subhrajyoti S   Venugopala Katharigatta N KN   Chopra Deepak D   Nayak Susanta K SK  

Acta crystallographica. Section E, Crystallographic communications 20191022 Pt 11


In the title 1:1 cocrystal, C<sub>7</sub>H<sub>4</sub>ClNO<sub>4</sub>·C<sub>6</sub>H<sub>6</sub>N<sub>2</sub>O, nicotinamide (NIC) and 2-chloro-5-nitro-benzoic acid (CNBA) cocrystallize with one mol-ecule each of NIC and CNBA in the asymmetric unit. In this structure, CNBA and NIC form hydrogen bonds through O-H⋯N, N-H⋯O and C-H⋯O inter-actions along with N-H⋯O dimer hydrogen bonds of NIC. Further additional weak π-π inter-actions stabilize the mol-ecular assembly of this cocrystal. ...[more]

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