Structure of Potassium and Cesium Barbiturates

被引：0
|
作者：
N. N. Golovnev
M. S. Molokeev
M. K. Lesnikov
机构：
[1] Siberian Federal University,Kirenskii Institute of Physics, Siberian Branch
[2] Russian Academy of Sciences,undefined
[3] Far Eastern State Transport University,undefined
来源：
Russian Journal of Inorganic Chemistry | 2018年 / 63卷
关键词：
potassium and cesium barbiturates; synthesis; structure; thermal decomposition;
D O I：
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中图分类号：
学科分类号：
摘要：
The structures of catena-[K(μ6-Hba−O,O,O,O′,O′,O″)] (I) and catena-[Cs(μ6-Hba–O,O,O′,O′,O″,O″)] (II), where Н2ba is barbituric acid C4H4N2O3, were characterized by powder X-ray diffraction. Crystallographic data: a = 14.1603 (4) Å, b = 3.68977 (9) Å, c = 10.9508 (3) Å, β = 82.226 (1)°, V = 566.90 (3) Å3, space group P21/n, Z = 4 for I; a = 14.652 (1) Å, b = 11.7275 (7) Å, c = 3.8098 (3) Å, β = 79.140 (6)°, V = 642.90 (8) Å3, space group C2/m, Z = 4 for II. The structural topologies of alkali metal complexes with barbituric acid and some its derivatives were compared. The thermal stability of complexes I and II in an air atmosphere was studied.
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页码：1315 / 1321
页数：6
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