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Polymorphic form II of 4,4'-methyl-enebis(benzene-sulfonamide).

ABSTRACT: In the title compound, C(13)H(14)N(2)O(4)S(2) (alternative names: diphenyl-methane-4,4'-disulfonamide, nirexon, CRN: 535-66-0), the two benzene rings form a dihedral angle of 70.8?(1)°. There are two sets of shorter (H?O < 2.1?Å) and longer (H?O > 2.4?Å) N-H?O hydrogen bonds per sulfonamide NH(2) group, which together result in hydrogen-bonded sheets parallel (102). Adjacent sheets are connected to one another by an additional N-H?N inter-action so that a three-dimensional network of hydrogen-bonded mol-ecules is formed. The investigated polymorph is identical with the form II previously described by Kuhnert-Brandstätter & Moser [(1981). Mikrochim. Acta, 75, 421-440].

SUBMITTER: Gelbrich T 

PROVIDER: S-EPMC3006756 | biostudies-other | 2010

REPOSITORIES: biostudies-other

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Polymorphic form II of 4,4'-methyl-enebis(benzene-sulfonamide).

Gelbrich Thomas T   Haddow Mairi F MF   Griesser Ulrich J UJ  

Acta crystallographica. Section E, Structure reports online 20100609 Pt 7

In the title compound, C(13)H(14)N(2)O(4)S(2) (alternative names: diphenyl-methane-4,4'-disulfonamide, nirexon, CRN: 535-66-0), the two benzene rings form a dihedral angle of 70.8 (1)°. There are two sets of shorter (H⋯O < 2.1 Å) and longer (H⋯O > 2.4 Å) N-H⋯O hydrogen bonds per sulfonamide NH(2) group, which together result in hydrogen-bonded sheets parallel (102). Adjacent sheets are connected to one another by an additional N-H⋯N inter-action so that a three-dimensional network of hydrogen-bo  ...[more]

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