Bis[hexaaquacobalt(II)] 25,26,27,28-tetrahydroxy-2,8,14,19-tetrathiacalix[4]-arene-5,11,17,23-tetrasulfonate monohydrate

被引：0
|
作者：
Akashi, Haruo [1 ]
Ichikawa, Misato [1 ]
机构：
[1] Okayama Univ Sci, Res Inst Nat Sci, Ridai, Okayama 7000005, Japan
来源：
ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE | 2008年 / 64卷
关键词：
D O I：
10.1107/S1600536808011781
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
In the crystal structure of the title compound, [Co(H2O)(6)](2)(C24H12O16S8) center dot H2O, the thiacalix[4]arenetetrasulfonate (= TCAS(4-)) anions adopt a cone-type conformation with an additional water molecule as a guest molecule in the hydrophobic cavity. The TCAS(4-) anions are arranged in layers in an up-down fashion. These anionic layers alternate with cationic layers consisting of rather regular octahedral cations (symmetry m). Several medium O-H center dot center dot center dot O hydrogen-bond interactions exist between the aqua ligands of the [Co(H2O)(6)] (2+) cations and the O atoms of the sulfonate groups. In addition to the two crystallographically different Co atoms, two S and four O atoms are situated on mirror planes.
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页码：M797 / U614
页数：12
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