STRUCTURE OF PYRIDINIUM 1,1,3,3-TETRACYANO-2-AZAPROPENIDE

被引：4

作者：

KOZISEK, J ^{[1
]}

DUNAJJURCO, M ^{[1
]}

GROBE, U ^{[1
]}

KOHLER, H ^{[1
]}

机构：

[1] MARTIN LUTHER UNIV, CHEM SECT, O-4010 HALLE, GERMANY

来源：

ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY | 1990年 / 46卷

关键词：

D O I：

10.1107/S0108270190003894

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

C5H6N+.C6N5-, M(r) = 222.21, monoclinic, P2(1), a = 3.830 (2), b = 14.187 (10), c = 10.454 (5) angstrom, beta = 98.58 (4)-degrees, V = 561.7 (5) angstrom 3, Z = 2, D(m) = 1.32, D(x) = 1.31 Mg m-3, CuK-alpha, lambda = 1.54178 angstrom, mu = 0.64 mm-1, F(000) = 228, room temperature, R = 0.038 for 585 unique reflections with F > 4-sigma-(F). The structure consists of a pyridinium cation and a tetra-cyanoazapropenide anion, which are both planar and make a dihedral angle of 3.8 (6)-degrees. There is a high degree of pi-electron delocalization in the tetra-cyanoazapropenide anion. The structure is stabilized by hydrogen bonds and interionic contacts, with the shortest contacts involving N atoms which do not take part in the conjugation.

引用

页码：2422 / 2424

页数：3

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