Polymeric crystal structure of trisaquo(μ-pyrazine-2,3-dicarboxylato)strontium(II)

被引：0

作者：

Ptasiewicz-Bak, H ^{[1
]}

Leciejewicz, J ^{[1
]}

机构：

[1] Inst Nucl Chem & Technol, PL-03195 Warsaw, Poland

来源：

POLISH JOURNAL OF CHEMISTRY | 1998年 / 72卷 / 03期

关键词：

pyrazine-2,3-dicarboxylic acid; strontium complex; X-rays;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Trisaquo(mu-pyrazine-2,3-dicarboxylato)strontium(II), SrC6H8N2O7 crystals have been studied by X-ray diffraction. The strontium ion is coordinated by a heteroring nitrogen, Sr-N of 2.793 Angstrom, and one oxygen atom belonging to a monodentate carboxylic group, Sr-O of 2.583 Angstrom, situated close to this nitrogen atom. Two oxygen atoms of carboxylic groups belonging to adjacent complex molecules, Sr-O = 2.647 Angstrom and 2.914 Angstrom, bridge them into ribbons. Each oxygen atom of the above group is also linked to the Sr ions belonging to adjacent ribbons, Sr-O = 2.576 Angstrom and 2.620 Angstrom, forming molecular sheets, which are parallel to the (010) plane. Each Sr ion coordinates also three oxygen atoms of water molecules (the average distance is 2.669 Angstrom. Hydrogen bonds of 2.66(1)-2.84 (1) Angstrom link the sheets into a 3-dimensional framework.

引用

页码：627 / 632

页数：6

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