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Synthesis and crystal structure of two novel polymorphs of (NaCl)[Cu(HSeO3)2]: a further contribution to the family of layered copper hydrogen selenites. / Гришаев, Василий Юрьевич; Сийдра, Олег Иоханнесович; Марковски, Мишел; Чаркин, Д. О.; Omelchenko, Timofey A. ; Назарчук, Евгений Васильевич.

In: Zeitschrift fur Kristallographie - Crystalline Materials, Vol. 238, No. 5-6, 30.03.2023, p. 177-185.

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@article{81af0270cc684e97aa91c69524e210bb,
title = "Synthesis and crystal structure of two novel polymorphs of (NaCl)[Cu(HSeO3)2]: a further contribution to the family of layered copper hydrogen selenites",
abstract = "Crystals of two new polymorphic forms of the known compound (NaCl)[Cu(HSeO3)2], which we term polymorphs II and III, were formed after a ca. one-year dwelling of a crystalline precipitate under mother liquor and upon crystallization in the presence of K+, respectively. Both structures belong to the {"}layered copper hydroselenite{"}family. The polymorph II is a structural analog of (KCl)[Cu(HSeO3)2] with a fully ordered Na+ site; the main difference concerns the environment of Cu2+ which is more regular in (NaCl)[Cu(HSeO3)2]-II. In contrast to some expectations, crystallization from solutions containing KCl. NaCl, CuCl2, and H2SeO3 upon evaporation does not result in formation of mixed (Na1-xK x Cl)[Cu(HSeO3)2] crystals, but rather in a separate crystallization of (KCl)[Cu(HSeO3)2] and (NaCl)[Cu(HSeO3)2]-III which exhibits a complex structure with four ordered and one disordered Na+ sites. It is possible that longer crystallization times enhance formation of ordered structures.",
keywords = "[Cu(HSeO3)2] layers, copper, layered structures, polymorphism, selenites",
author = "Гришаев, {Василий Юрьевич} and Сийдра, {Олег Иоханнесович} and Мишел Марковски and Чаркин, {Д. О.} and Omelchenko, {Timofey A.} and Назарчук, {Евгений Васильевич}",
year = "2023",
month = mar,
day = "30",
doi = "10.1515/zkri-2023-0004",
language = "English",
volume = "238",
pages = "177--185",
journal = "Zeitschrift fur Kristallographie - Crystalline Materials",
issn = "2194-4946",
publisher = "De Gruyter",
number = "5-6",

}

RIS

TY - JOUR

T1 - Synthesis and crystal structure of two novel polymorphs of (NaCl)[Cu(HSeO3)2]: a further contribution to the family of layered copper hydrogen selenites

AU - Гришаев, Василий Юрьевич

AU - Сийдра, Олег Иоханнесович

AU - Марковски, Мишел

AU - Чаркин, Д. О.

AU - Omelchenko, Timofey A.

AU - Назарчук, Евгений Васильевич

PY - 2023/3/30

Y1 - 2023/3/30

N2 - Crystals of two new polymorphic forms of the known compound (NaCl)[Cu(HSeO3)2], which we term polymorphs II and III, were formed after a ca. one-year dwelling of a crystalline precipitate under mother liquor and upon crystallization in the presence of K+, respectively. Both structures belong to the "layered copper hydroselenite"family. The polymorph II is a structural analog of (KCl)[Cu(HSeO3)2] with a fully ordered Na+ site; the main difference concerns the environment of Cu2+ which is more regular in (NaCl)[Cu(HSeO3)2]-II. In contrast to some expectations, crystallization from solutions containing KCl. NaCl, CuCl2, and H2SeO3 upon evaporation does not result in formation of mixed (Na1-xK x Cl)[Cu(HSeO3)2] crystals, but rather in a separate crystallization of (KCl)[Cu(HSeO3)2] and (NaCl)[Cu(HSeO3)2]-III which exhibits a complex structure with four ordered and one disordered Na+ sites. It is possible that longer crystallization times enhance formation of ordered structures.

AB - Crystals of two new polymorphic forms of the known compound (NaCl)[Cu(HSeO3)2], which we term polymorphs II and III, were formed after a ca. one-year dwelling of a crystalline precipitate under mother liquor and upon crystallization in the presence of K+, respectively. Both structures belong to the "layered copper hydroselenite"family. The polymorph II is a structural analog of (KCl)[Cu(HSeO3)2] with a fully ordered Na+ site; the main difference concerns the environment of Cu2+ which is more regular in (NaCl)[Cu(HSeO3)2]-II. In contrast to some expectations, crystallization from solutions containing KCl. NaCl, CuCl2, and H2SeO3 upon evaporation does not result in formation of mixed (Na1-xK x Cl)[Cu(HSeO3)2] crystals, but rather in a separate crystallization of (KCl)[Cu(HSeO3)2] and (NaCl)[Cu(HSeO3)2]-III which exhibits a complex structure with four ordered and one disordered Na+ sites. It is possible that longer crystallization times enhance formation of ordered structures.

KW - [Cu(HSeO3)2] layers

KW - copper

KW - layered structures

KW - polymorphism

KW - selenites

UR - https://www.degruyter.com/document/doi/10.1515/zkri-2023-0004/html

UR - https://www.mendeley.com/catalogue/6db44b1b-15f7-3c42-9cd3-bc1bc4adc113/

U2 - 10.1515/zkri-2023-0004

DO - 10.1515/zkri-2023-0004

M3 - Article

VL - 238

SP - 177

EP - 185

JO - Zeitschrift fur Kristallographie - Crystalline Materials

JF - Zeitschrift fur Kristallographie - Crystalline Materials

SN - 2194-4946

IS - 5-6

ER -

ID: 104088245