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4-(4-Amino-phenyl-sulfon-yl)aniline-1,3,5-trinitro-benzene (1/2).


ABSTRACT: The asymmetric unit of the title co-crystalline 1:2 adduct, C(12)H(12)N(2)O(2)·2C(6)H(3)N(3)O(6), contains two independent mol-ecules of bis-(4-amino-phen-yl) sulfone (the drug Dapsone) and four mol-ecules of 1,3,5-trinitro-benzene and is extended into a two-dimensional hydrogen-bonded network structure through amino N-H?O hydrogen-bonding associations with nitro O-atom acceptors. In the two independent Dapsone mol-ecules, the inter-ring dihedral anges are 69.6?(3) and 63.63?(9)°. Aromatic ?-? inter-actions are also found between one of the Dapsone aromatic rings and a trinitro-benzene ring [minimum ring centroid separation = 3.596?(3)?Å]. A 4-amino-phenyl ring moiety of one of the Dapsone mol-ecules and two nitro groups of a trinitro-benzene are disordered in a 50:50 ratio.

SUBMITTER: Smith G 

PROVIDER: S-EPMC3275240 | biostudies-literature | 2012 Feb

REPOSITORIES: biostudies-literature

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4-(4-Amino-phenyl-sulfon-yl)aniline-1,3,5-trinitro-benzene (1/2).

Smith Graham G   Wermuth Urs D UD  

Acta crystallographica. Section E, Structure reports online 20120121 Pt 2


The asymmetric unit of the title co-crystalline 1:2 adduct, C(12)H(12)N(2)O(2)·2C(6)H(3)N(3)O(6), contains two independent mol-ecules of bis-(4-amino-phen-yl) sulfone (the drug Dapsone) and four mol-ecules of 1,3,5-trinitro-benzene and is extended into a two-dimensional hydrogen-bonded network structure through amino N-H⋯O hydrogen-bonding associations with nitro O-atom acceptors. In the two independent Dapsone mol-ecules, the inter-ring dihedral anges are 69.6 (3) and 63.63 (9)°. Aromatic π-π i  ...[more]

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