2-aminopyridinium-fumarate-fumaric acid (2/1/1)

被引：17
作者：
Büyükgüngör, O
Odabasoglu, M
Albayrak, C
Lönnecke, P
机构：
[1] Ondokuz Mayis Univ, Dept Phys, TR-55139 Samsun, Turkey
[2] Ondokuz Mayis Univ, Dept Chem, TR-55139 Samsun, Turkey
[3] Univ Leipzig, Fac Chem & Mineral, Leipzig, Germany
来源：
ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY | 2004年 / 60卷
关键词：
D O I：
10.1107/S0108270104010546
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The title complex, 2C(5)H(7)N(2)(+).C4H2O42-.C4H4O4, contains cyclic eight-membered hydrogen-bonded rings involving 2-aminopyridinium and fumarate ions. The fumaric acid molecules and fumarate ions lie on inversion centers and are linked into zigzag chains by O - H ... O hydrogen bonds. The dihedral angle between the pyridinium ring and the hydrogen-bonded fumarate ion is 7.60 (4)degrees. The fumarate anion is linked to the pyridinium cations by intermolecular N - H ... O hydrogen bonds. The heterocycle is fully protonated, thus enabling amine-imine tautomerization.
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收藏
页码：O470 / O472
页数：3
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