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2,2'-Dihydroxy-3,3'-[(1E,1'E)-hydrazine-1,2-diylidenedimethylidyne]dibenzoic acid N,N-dimethylformamide disolvate.

ABSTRACT: The title compound, C(16)H(12)N(2)O(6)·2C(3)H(7)NO, lies across a crystallographic inversion centre which is situated at the midpoint of the central N-N bond. The substitution at the C=N bond adopts a trans configuration and it is essentially coplanar with the benzene ring [N-C-C-C torsion angles = -173.9?(4) and 6.4?(6)°]. All torsion angles involving non-H atoms are close to 180°. Intra-molecular O-H?O and weak C-H?O hydrogen bonds form S(6) and S(5) ring motifs, respectively, while inter-molecular O-H?O and weak C-H?O hydrogen bonds connect the Schiff base mol-ecule to solvent dimethyl-formamide mol-ecules.

SUBMITTER: Zhang SS 

PROVIDER: S-EPMC2968102 | biostudies-literature | 2008 Dec

REPOSITORIES: biostudies-literature

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2,2'-Dihydroxy-3,3'-[(1E,1'E)-hydrazine-1,2-diylidenedimethylidyne]dibenzoic acid N,N-dimethylformamide disolvate.

Zhang Sheng-Sen SS   Cheng Geng-Jin-Sheng GJ   Lei Yu Y   Li Yin-Bao YB  

Acta crystallographica. Section E, Structure reports online 20081224 Pt 1

The title compound, C(16)H(12)N(2)O(6)·2C(3)H(7)NO, lies across a crystallographic inversion centre which is situated at the midpoint of the central N-N bond. The substitution at the C=N bond adopts a trans configuration and it is essentially coplanar with the benzene ring [N-C-C-C torsion angles = -173.9 (4) and 6.4 (6)°]. All torsion angles involving non-H atoms are close to 180°. Intra-molecular O-H⋯O and weak C-H⋯O hydrogen bonds form S(6) and S(5) ring motifs, respectively, while inter-mole  ...[more]

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