Abstract
The carboxylate-substituted mixed-metal oxo clusters Pb6Ti6O9(acetate)(methacrylate)17 and Pb4Ti8O10(OiPr)18(acetate)2 contain a higher number of lead atoms in the cluster core than previously reported compounds. The metal atoms in both clusters are arranged in three layers of different composition, which are connected through oxygen, propionate and/or carboxylate bridges.Graphical abstract
Highlights
Metal oxo clusters of the general composition MaOb(OH/ OR)c(OOCR0)d are obtained when early transition metal alkoxides, M(OR)n, are reacted with more than one molar equivalent of carboxylic acid [1]
A variety of titanium/metal oxo clusters has been obtained by this route
In this article we report two new Pb/Ti oxo clusters with a greater number of lead atoms, viz. Pb6Ti6O9(OAc)(OMc)17 (Pb6Ti6) and Pb4Ti8O10(OiPr)18(OAc)2 (Pb4Ti8)
Summary
Metal oxo clusters of the general composition MaOb(OH/ OR)c(OOCR0)d are obtained when early transition metal alkoxides, M(OR)n, are reacted with more than one molar equivalent of carboxylic acid [1]. Abstract The carboxylate-substituted mixed-metal oxo clusters Pb6Ti6O9(acetate)(methacrylate)17 and Pb4Ti8O10(OiPr)18(acetate)2 contain a higher number of lead atoms in the cluster core than previously reported compounds. The metal atoms in both clusters are arranged in three layers of different composition, which are connected through oxygen, propionate and/or carboxylate bridges.
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