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4-Nitro-phenol-piperazine (2/1).


ABSTRACT: In the title adduct, C6H5NO3·0.5C4H10N2, the piperazine ring possesses inversion symmetry and has a chair conformation. Its mean plane makes a dihedral angle of 65.45?(7)° with the 4-nitro-phenol ring. In the crystal, the piperazine ring is linked to two 4-nitro-phenol mol-ecules via O-H?N hydrogen bonds. The mol-ecules are also linked via bifurcated N-H?(O,O) hydrogen bonds involving the NO2 O atoms, forming a two-dimensional network lying parallel to (102). The networks are linked via C-H?O hydrogen bonds, forming a three-dimensional structure.

SUBMITTER: Nagapandiselvi P 

PROVIDER: S-EPMC3772477 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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4-Nitro-phenol-piperazine (2/1).

Nagapandiselvi Perumal P   Muralidharan Srinivasan S   Srinivasan Thothadri T   Goplalakrishnan Rengaswamy R   Velmurugan Devadasan D  

Acta crystallographica. Section E, Structure reports online 20130608 Pt 7


In the title adduct, C6H5NO3·0.5C4H10N2, the piperazine ring possesses inversion symmetry and has a chair conformation. Its mean plane makes a dihedral angle of 65.45 (7)° with the 4-nitro-phenol ring. In the crystal, the piperazine ring is linked to two 4-nitro-phenol mol-ecules via O-H⋯N hydrogen bonds. The mol-ecules are also linked via bifurcated N-H⋯(O,O) hydrogen bonds involving the NO2 O atoms, forming a two-dimensional network lying parallel to (102). The networks are linked via C-H⋯O hy  ...[more]

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