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Formation and Structure of the Novel Heptanuclear Lead(II) Oxo Cluster [Pb7(μ3-O)(μ4-O)(μ3-OMe)4(μ2-I)4]I2 with an Unprecedented Cage Structure

✍ Scribed by Yu-Jun Shi; Yan Xu; Xue-Tai Chen; Ziling Xue; Xiao-Zeng You

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
103 KB
Volume
2002
Category
Article
ISSN
1434-1948

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✦ Synopsis

A novel lead(II) cluster [Pb 7 (µ 3 -O)(µ 4 -O)(µ 3 -OMe) 4 (µ 2 -I) 4 ]I 2 (1) has been isolated from the reaction mixture of PbI 2 and pyrazine in DMF/MeOH solvent with a reasonable yield (46%). The X-ray crystallography shows that 1 exhibits a novel unprecedented cage structure with centered µ 3 -O and µ 4 -O atoms and four different coordination environments of lead atoms. It is the first structurally characterized example of a [a] State

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