Samarium 3,5-dinitrobenzoate dihydrate

被引：13

作者：

Arici, C ^{[1
]}

Ülkü, D

Tahir, MN

Ünaleroglu, C

机构：

[1] Hacettepe Univ, Dept Engn Phys, TR-06532 Ankara, Turkey

[2] Hacettepe Univ, Dept Chem, TR-06532 Ankara, Turkey

来源：

ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS | 1999年 / 55卷

关键词：

D O I：

10.1107/S0108270198012323

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The coordination around the Sm atom in the title compound, catena-poly[[[tetraaqua-1 kappa(2)O,2 kappa(2)O-tetrakis(mu-3,5-dinitrobenzoato-O:O')disamarium]-bis(mu-3,5-dinitrobenzoato-O:O')] dihydrate], [Sm-2(C7H3N2O6)(6)(H2O)(4)].-2H(2)O. is eightfold, The irregular square-antiprism coordination of the Sm ion is provided by six O atoms from six carboxylate groups and two water O atoms. The Sm ions are bridged alternately by four and two Ligands, resulting in linear polymeric chains with two different Sm ... Sm distances of 4.2476(7) and 5.0831(8) Angstrom, and Sm-O distances in the range 2.355 (4)-2.559 (4) Angstrom. A set of hydrogen bonds exists between the nitro groups and the water molecules.

引用

页码：198 / 200

页数：3

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