Second-sphere coordination of 'star'-shaped hexakis(N-pyridin-4-one)benzene (HPOB) with hexakis(methanol)nickel(II) nitrate;: unusual (NO3-)(HPOB)(NO3-) π-stacked 'sandwiching'

被引：6

作者：

Goodgame, DML ^{[1
]}

Grachvogel, DA ^{[1
]}

Williams, DJ ^{[1
]}

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Dept Chem, London SW7 2AY, England

来源：

INORGANICA CHIMICA ACTA | 2002年 / 330卷 / 01期

关键词：

crystal structures; hydrogen-bonding; 3D network; pi-stacking;

D O I：

10.1016/S0020-1693(01)00702-2

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

It is shown by X-ray studies that the compound Ni(HPOB)(NO3)(2)(MeOH)(9) [where HPOB = hexaxis(N-pyridin-4-one)benzene] contains [Ni(MeOH)(6)](2+) cations hydrogen-bonded to the oxygen atoms of the pyridone units in HPOB, with the resulting six-connectivity at both metal and HPOB producing a three-dimensional network array essentially topologically equivalent to the alpha-Po structure. The pyridone rings in the HPOB molecules are arranged orthogonally to the central C-6 ring and the nitrate anions form an unusual (NO3)(HPOB)(NO3-) 'sandwich' by a combination of pi-stacking and C-H...O hydrogen bonds. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：13 / 16

页数：4

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