General Assembly of Twisted Trigonal-Prismatic Nonanuclear Silver(I) Clusters

Chemistry : a European Journal
Xiao-Yu LiLan-Sun Zheng

Abstract

A general class of C3 -symmetric Ag9 clusters, [Ag9 S(tBuC6 H4 S)6 (dpph)3 (CF3 SO3 )] (1), [Ag9 (tBuC6 H4 S)6 (dpph)3 (CF3 SO3 )2 ]⋅CF3 SO3 (2), [Ag9 (tBuC6 H4 S)6 (dpph)3 (NO3 )2 ] ⋅NO3 (3), and [Ag9 (tBuC6 H4 S)7 (dpph)3 (Mo2 O7 )0.5 ]2 ⋅2 CF3 COO (4) (dpph=1,6-bis(diphenylphosphino)hexane), with a twisted trigonal-prism geometry was isolated by the reaction of polymeric {(HNEt3 )2 [Ag10 (tBuC6 H4 S)12 ]}n , 1,6-bis(diphenylphosphino)hexane, and various silver salts under solvothermal conditions. The structures consist of discrete clusters constructed from a girdling Ag9 twisted trigonal prism with the top and bottom trigonal faces capped by diverse anions (i.e., S(2-) and CF3 SO3 (-) for compound 1, 2×CF3 SO3 (-) for compound 2, 2×NO3 (-) for compound 3, and tBuC6 H4 S(-) and Mo2 O7 (2-) for compound 4). This trigonal prism is bisected by another shrunken Ag3 trigon at its waist position. Interestingly, two inversion-related Ag9 trigonal-prismatic clusters are dimerized by the Mo2 O7 (2-) ion in compound 4. The twist is amplified by the bulkier thiolate, which also introduces high steric-hindrance for the capping ligand, that is, the longer dpph ligand. Four more silver-sulfur clusters (namely, compounds 5-8) with their nuc...Continue Reading

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Citations

Dec 13, 2016·Inorganic Chemistry·Xiu-Ying ZhengLan-Sun Zheng
Jan 28, 2017·Dalton Transactions : an International Journal of Inorganic Chemistry·Hai-Bao DuanHui Zhang
Oct 19, 2016·Dalton Transactions : an International Journal of Inorganic Chemistry·Yang SongYulin Yang
Aug 11, 2017·Dalton Transactions : an International Journal of Inorganic Chemistry·Anna CiborskaAnna Dołęga
Oct 5, 2018·Dalton Transactions : an International Journal of Inorganic Chemistry·Yan-Ling LiThomas C W Mak
Sep 6, 2019·Chemistry, an Asian Journal·Yu-Hui FengYan-Feng Bi
Dec 6, 2017·Chemistry : a European Journal·Zhi WangLan-Sun Zheng
May 31, 2018·Nature Communications·Zhi WangLan-Sun Zheng

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