High-Nuclearity (Cu8-Based) Cage Silsesquioxanes: Synthesis and Structural Study

We herein report a study of Cu(II)-silsesquioxanes' self-assembly in the presence of two possible template agents (acetonitrile and acetone). This results in the isolation of unusual high-nuclearity cluster CuII 8 cage silsesquioxanes [(Ph8Si8O16)2Cu8(DMF)8][Ph8Si8O12]·2MeCN 1 and [(Me8Si8O16)2Cu8(Me2CO)4]2[MeCOO-]2[Na+]2·2(H2O)·3(Me2CO) 2. In the case of 1, acetonitrile indeed serves as a template being incorporated into the inner void of the prism-like cage of the crystalline product. To the contrary, in the case of complex 2, acetone molecules just play the role of external solvates. An inner void of the prism-like cage in 2 is occupied by sodium acetate groups. The latter, most likely, are produced via the mild oxidation of ethanol during the synthesis of 2. Finally, the sodium centers of these acetate groups caused an unprecedented "cage connectivity" (dimerization of two octacopper cage silsesquioxanes in 2). © 2018 American Chemical Society.

Авторы
Bilyachenko A.N. 1, 2 , Khrustalev V.N. 2, 3 , Zubavichus Y.V.3 , Vologzhanina A.V.1 , Astakhov G.S. 1, 2 , Gutsul E.I.1 , Shubina E.S.1 , Levitsky M.M.1
Редакторы
-
Издательство
American Chemical Society
Номер выпуска
4
Язык
Английский
Страницы
2452-2457
Статус
Опубликовано
Подразделение
-
Номер
-
Том
18
Год
2018
Организации
  • 1 Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilov Str., 28, Moscow, 119991, Russian Federation
  • 2 Peoples' Friendship University of Russia, Miklukho-Maklay Str., 6, Moscow, 117198, Russian Federation
  • 3 National Research Center, Kurchatov Institute, Akademika Kurchatova pl., 1, Moscow, 123182, Russian Federation
Ключевые слова
Acetone; Acetonitrile; Copper compounds; Prisms; Self assembly; Acetate groups; Acetone molecules; Mild oxidation; Most likely; Silsesquioxanes; Sodium acetate; Sodium centers; Structural studies; Sodium compounds
Дата создания
19.10.2018
Дата изменения
19.10.2018
Постоянная ссылка
https://repository.rudn.ru/ru/records/article/record/6724/