Molecular inorganic polymers: synthesis and crystal structures of KCl•2H2SeO3 and CsCl•H2SeO3

被引：6
|
作者：
Markovski, Mishel R. [1 ]
Siidra, Oleg, I [1 ,2 ]
Charkin, Dmitri O. [3 ]
Nazarchuk, Evgeny, V [1 ]
Grishaev, Vasili Yu [3 ]
机构：
[1] St Petersburg State Univ, Dept Crystallog, Univ Emb 7-9, St Petersburg 199034, Russia
[2] Russian Acad Sci, Kola Sci Ctr, Apatity 184200, Murmansk Region, Russia
[3] Moscow MV Lomonosov State Univ, Dept Chem, Leninskie Gory 1, Moscow 119991, Russia
来源：
ZEITSCHRIFT FUR KRISTALLOGRAPHIE-CRYSTALLINE MATERIALS | 2020年 / 235卷 / 11期
关键词：
halides; molecular inorganic polymers; selenious acid; selenite; SELENITES; CHLORIDE; ACID;
D O I：
10.1515/zkri-2020-0062
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
KCl center dot 2H(2)SeO(3) and CsCl center dot H2SeO3 have been synthesized using solution evaporation methods from aqueous solution. Both compounds are monoclinic (P2/n and P2(1)/c) and demonstrate new structure types. One symmetrically unique SeO(OH)(2) molecule is present in each structure. SeO(OH)(2) molecules via strong hydrogen bonds form chains in KCl center dot 2H(2)SeO(3) and layers in CsCl center dot H2SeO3. The structures of KCl center dot 2H(2)SeO(3) and CsCl center dot H2SeO3 can be described as consisting of ionic KCl chains and CsC1 layers incorporated into the covalent- and hydrogenbonded H2SeO3 matrix. To the best of our knowledge, the cases when selenious acid acts as a contributor to the molecular building blocks of salt-inclusion structures are not known to date.
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收藏
页码：553 / 557
页数：5
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