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4-(2,3-Di-chloro-phen-yl)piperazin-1-ium picrate

Sathya U 1 , Nirmal Ram JS 1 , Gomathi S 2 , Ramu S 2 , Jegan Jennifer S 3 , Ibrahim AR 4

Affiliations 

  • 1 Centre for Research and Development, PRIST Deemed to be University, Thanjavur, 613 403, Tamil Nadu, India
  • 2 Department of Chemistry, Periyar Maniammai Institute of Science and Technology, Thanjavur 613 403, Tamil Nadu, India
  • 3 X-ray Crystallography Unit, School of Physics, University Sains Malaysia, 11800, USM, Penang, Malaysia
  • 4 X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800, USM, Penang, Malaysia
IUCrdata, 2021 Apr;6(Pt 4):x210379.
PMID: 36339106 DOI: 10.1107/S2414314621003795

Abstract

The title compound, C6H2N3O7 -·C10H13Cl2N2 +, crystallizes with one 1-(2,3-di-chloro-phen-yl)piperazine (DP) cation and one picrate (PA) anion in the asymmetric unit. In the crystal structure, the DP cation and PA anion are inter-connected via several N-H⋯O and C-H⋯O hydrogen bonds. The DP cation and PA anion are further connected through C-Cl⋯π [3.8201 (4), 3.7785 (4) Å] and N-O⋯π [3.7814 (4) Å] inter-actions. The DP cations are further inter-connected via a weak inter-molecular Cl⋯Cl [3.2613 (4) Å] halogen-halogen inter-action. The combination of these supra-molecular inter-actions leads to a herringbone like supra-molecular architecture.

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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