[NaBi(EDTA)(H2O)3]n: synthesis, crystal structure, and thermal behavior

被引：0
|
作者：
Joël Jaud
Bertrand Marrot
Chantal Brouca-Cabarrecq
Alain Mosset
机构：
[1] CEMES/CNRS,
来源：
Journal of Chemical Crystallography | 1997年 / 27卷
关键词：
EDTA complex; crystal structure; bismuth;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The synthesis and crystal structure of the EDTA complex [NaBi(EDTA)(H2O)3]n are reported. It crystallizes in the monoclinic crystal system (space groupP21/c,a=6.822(1)Å,b=16.733(6)Å,c=13.763(2)Å, β=97.13(2)°). Bi(EDTA) entities are connected through carboxylate bridges resulting in layers parallel to the (010) plane. These layers are strongly linked by Na carboxylate and Na−OH2 bridging interactions, establishing short Bi−Na and Na−Na distances. Pyrolysis of this complex under sulfur vapor between 600 and 900°C leads to the mixed sulfide NaBiS2. Pyrolysis in air shows a very complicated decomposition mechanism and the probable formation of a bimetallic oxycarbonate.
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页码：109 / 117
页数：8
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