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 3
A view of (I

), showing the hydroquinone O atoms as hydrogen-bond acceptors in C—H⋯O hydrogen bonds [symmetry codes: (vii) $[{1 \over 2}]$ − x, $[{1 \over 2}]$ − y, 1 − z; (viii) x, −y, z − $[{1 \over 2}]$ ].

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

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

doi:10.1107/S0108270102016219

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