A zwitterionic viologen disulfonate–hydroquinone charge-transfer crystal: 2,2′-(4,4′-bipyridinium-1,1′-diyl)di(ethanesulfonate)–hydroquinone (1/2)

Robinson, P.D.; Smith, K.R.; Vermeulen, L.A.

doi:10.1107/S0108270102016219

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 2
A view of (I

), showing the orientation of the planar hydroquinone with respect to the bipyridinium unit, as well as the C1—H1⋯O1 intermolecular hydrogen bonds [symmetry codes: (iv) 1 − x, −y, 1 − z; (v) $[{1 \over 2}]$ − x, $[{1 \over 2}]$ + y, $[{3 \over 2}]$ − z; (vi) $[{1 \over 2}]$ − x, $[{1 \over 2}]$ − y, 1 − z].

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 58| Part 10| September 2002| Pages o632-o634

doi:10.1107/S0108270102016219

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