The 1:1 proton‐transfer compound of 8‐quinolinol (oxine) with pyrazine‐2,3‐dicarboxylic acid: 8‐hydroxyquinolinium 3‐carboxypyrazine‐2‐carboxylate dihydrate | Zendy

Smith Graham | Zendy; Wermuth Urs D. | Zendy; Healy Peter C. | Zendy; White Jonathan M. | Zendy

Open Access

The 1:1 proton‐transfer compound of 8‐quinolinol (oxine) with pyrazine‐2,3‐dicarboxylic acid: 8‐hydroxyquinolinium 3‐carboxypyrazine‐2‐carboxylate dihydrate

Author(s) -

Smith Graham,

Wermuth Urs D.,

Healy Peter C.,

White Jonathan M.

Publication year - 2006

Publication title -

acta crystallographica section e

Language(s) - English

Resource type - Journals

ISSN - 1600-5368

DOI - 10.1107/s1600536806042322

Subject(s) - carboxylate , chemistry , solvation , hydrogen bond , pyrazine , proton , acceptor , dicarboxylic acid , crystallography , ion , inorganic chemistry , medicinal chemistry , stereochemistry , molecule , polymer chemistry , organic chemistry , physics , quantum mechanics , condensed matter physics

The asymmetric unit of the title compound, C 9 H 8 NO + ·C 6 H 3 N 2 O 4 − ·2H 2 O, contains two independent cations, two anions and four water molecules of solvation. A three‐dimensional framework structure is formed through extensive hydrogen‐bonding involving most donor and acceptor species. Significant aromatic C—H⋯O and cation–cation π–π interactions are also present.

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