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Direct Synthesis of Heterometallic Europium/Barium Complexes: H2[Eu2Ba6O2(OiPr)16(THF)4] and EuBa2(OC6H4Me-4)7(diglyme)2(DME)

✍ Scribed by William J. Evans; Dimitrios G. Giarikos; Michael A. Greci; Joseph W. Ziller

Publisher: John Wiley and Sons
Year: 2002
Tongue: English
Weight: 247 KB
Volume: 2002
Category: Article
ISSN: 1434-1948
DOI: 10.1002/1099-0682(20022)2002:2<453::aid-ejic453>3.0.co;2-4

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✦ Synopsis

Convenient syntheses of mixed-metal Eu/Ba complexes starting from the elemental metals have been explored. A mixture of europium and barium ingots reacts in boiling 2-propanol to form a product which crystallizes from THF as the heterometallic complex formulated as H 2 [Eu 2 Ba 6 O 2 -(OiPr) 16 (THF) 4 ] ( 1). An analogous reaction in the presence of p-cresol (HOC 6 H 4 Me-4) forms trimetallic EuBa 2 (OC 6 H 4 Me 4 ) 7 -(diglyme) 2 (DME) (2), after recrystallization from THF/DME/ diglyme (DME = 1,2-dimethoxyethane). Complex 1 exhibits [a

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