Molecular inorganic polymers: synthesis and crystal structures of KCl72H 2 SeO 3 and CsCl7H 2 SeO 3 - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Zeitschrift für Kristallographie - Crystalline Materials Année : 2020

Molecular inorganic polymers: synthesis and crystal structures of KCl72H 2 SeO 3 and CsCl7H 2 SeO 3

Dmitri Charkin
  • Fonction : Auteur
Oleg Siidra
Igor Plokhikh
Artem Borisov
  • Fonction : Auteur
Evgeny Nazarchuk
  • Fonction : Auteur
Vasili Yu. Grishaev
  • Fonction : Auteur

Résumé

Abstract KCl72H 2 SeO 3 and CsCl7H 2 SeO 3 have been synthesized using solution evaporation methods from aqueous solution. Both compounds are monoclinic ( P 2/ n and P 2 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 KCl72H 2 SeO 3 and layers in ?sCl7H 2 SeO 3 . The structures of KCl72H 2 SeO 3 and CsCl7H 2 SeO 3 can be described as consisting of ionic KCl chains and CsCl layers incorporated into the covalent- and hydrogen-bonded H 2 SeO 3 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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Dates et versions

hal-03668519 , version 1 (15-05-2022)

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Dmitri Charkin, Oleg Siidra, Igor Plokhikh, Artem Borisov, Evgeny Nazarchuk, et al.. Molecular inorganic polymers: synthesis and crystal structures of KCl72H 2 SeO 3 and CsCl7H 2 SeO 3. Zeitschrift für Kristallographie - Crystalline Materials, 2020, 235 (11), pp.553-557. ⟨10.1515/zkri-2020-0062⟩. ⟨hal-03668519⟩
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