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Bis(4-pyrid-yl) disulfide-2,2'-[(p-phenyl-enebis(-oxy)]diacetic acid (1/1).

ABSTRACT: The asymmetric unit of the title 1:1 co-crystal, C(10)H(8)N(2)S(2)·C(10)H(10)O(6), comprises two half-mol-ecules, the bis-(4-pyrid-yl) disulfide having twofold rotational symmetry and the 2,2'-[(p-phenyl-enebis(-oxy)]diacetic acid having crystallographic inversion symmetry. In the disulfide mol-ecule, the dihedral angle between the two pyridine rings is 86.8?(1)°, while the carboxyl groups of the substituted quinone lie essentially in the plane of the benzene ring [dihedral angle = 5.3?(1)°]. In the crystal, the components are linked via inter-molecular O-H?N hydrogen bonds into zigzag chains which extend along c and are inter-linked through C-H?? associations.

SUBMITTER: Wang GY

PROVIDER: S-EPMC3212313 | biostudies-literature | 2011 Aug

REPOSITORIES: biostudies-literature

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Bis(4-pyrid-yl) disulfide-2,2'-[(p-phenyl-enebis(-oxy)]diacetic acid (1/1).

Wang Guang-Yin GY

Acta crystallographica. Section E, Structure reports online 20110706 Pt 8

The asymmetric unit of the title 1:1 co-crystal, C(10)H(8)N(2)S(2)·C(10)H(10)O(6), comprises two half-mol-ecules, the bis-(4-pyrid-yl) disulfide having twofold rotational symmetry and the 2,2'-[(p-phenyl-enebis(-oxy)]diacetic acid having crystallographic inversion symmetry. In the disulfide mol-ecule, the dihedral angle between the two pyridine rings is 86.8 (1)°, while the carboxyl groups of the substituted quinone lie essentially in the plane of the benzene ring [dihedral angle = 5.3 (1)°]. In ...[more]

PMID: 22090970

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