Nuclearity expansion in Pd clusters triggered by the migration of a phenyl group in cyclooligosilanes

Heptanuclear palladium clusters with six palladium atoms in a planar arrangement were obtained from the reaction of [Pd(CN t Bu) 2 ] 3 with Ph-substituted cyclotetrasilane or cyclopentasilane via the migration of a phenyl group. The molecular structures of these clusters as well as those of two poss...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2021-08, Vol.57 (62), p.7649-7652
Main Authors: Shimamoto, Kento, Sunada, Yusuke
Format: Article
Language:English
Subjects:
Clusters
Crystallography
Crystals
Molecular structure
Palladium
Single crystals
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Summary:Heptanuclear palladium clusters with six palladium atoms in a planar arrangement were obtained from the reaction of [Pd(CN t Bu) 2 ] 3 with Ph-substituted cyclotetrasilane or cyclopentasilane via the migration of a phenyl group. The molecular structures of these clusters as well as those of two possible intermediates were determined by single-crystal X-ray diffraction analyses. Heptanuclear palladium clusters were synthesized via the reaction of [Pd(CN t Bu) 2 ] 3 with Ph-substituted cyclooligosilanes. The generation of the SiPh moiety upon migration of a Ph group is the key to assembling the seven palladium atoms effectively.
ISSN:1359-7345
1364-548X
DOI:10.1039/d1cc02682h