WATER CLUSTERING IN THE ZEOLITE-LIKE CHANNEL STRUCTURE OF NA2ZN[C6H2(COO)4].9H2O

被引：63

作者：

ROBL, C

机构：

[1] Institut für Anorganische Chemie der Universität München, D-8000 München 2

来源：

MATERIALS RESEARCH BULLETIN | 1992年 / 27卷 / 01期

关键词：

SODIUM; ZINC; WATER; BENZENE-1,2,4,5-TETRACARBOXYLIC ACID;

D O I：

10.1016/0025-5408(92)90047-4

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Colorless single crystals of Na2Zn[C6H2(COO)4].9H2O were obtained in aqueous silicagel. They crystallise in the monoclinic space group P2(1)/n with a = 1092.6(1), b = 1391.7(1), c = 1312.2(1) pm and beta = 102.14(1)-degrees. Trinuclear units consisting of two facesharing Na+ coordination octahedra linked by a common corner to the Zn2+ coordination tetrahedron are connected by [C6H2(COO)4]4- anions to yield a three-dimensional framework with wide zeolite-like channels extending parallel to [100] and accomodating water molecules associated to clusters by intermolecular hydrogen bonds. Attempts to remove these water molecules caused the crystal structure to be destroyed.

引用

页码：99 / 107

页数：9

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