Samarium Polyarsenides Derived from Nanoscale Arsenic

Christoph Schoo, Sebastian Bestgen, Alexander Egeberg, Jasmin Seibert, Sergey N. Konchenko, Claus Feldmann, Peter W. Roesky

Результат исследования: Научные публикации в периодических изданияхстатья

6 Цитирования (Scopus)

Аннотация

Zintl phases of arsenic and molecular compounds containing Zintl-type polyarsenide ions are of fundamental interest in basic and applied sciences. Unfortunately, the most obvious and reactive arsenic source for the preparation of defined molecular polyarsenide compounds, yellow arsenic As 4 , is very inconvenient to prepare and neither storable in pure form nor easy to handle. Herein, we present the synthesis and reactivity of elemental As 0 nanoparticles (As 0 Nano , d=7.2±1.8 nm), which were successfully utilized as a reactive arsenic source in reductive f-element chemistry. Starting from [Cp* 2 Sm] (Cp*=η 5 -C 5 Me 5 ), the samarium polyarsenide complexes [(Cp* 2 Sm) 2 (μ-η 22 -As 2 )] and [(Cp* 2 Sm) 4 As 8 ] were obtained from As 0 nano , thereby generating the largest molecular polyarsenide of the f-elements and circumventing the use of As 4 in preparative chemistry.

Язык оригиналаанглийский
Страницы (с-по)4386-4389
Число страниц4
ЖурналAngewandte Chemie - International Edition
Том58
Номер выпуска13
DOI
СостояниеОпубликовано - 22 мар 2019

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