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Unexpected Structures of Aluminum Oxide Clusters in the Gas Phase
Author(s) -
Sierka Marek,
Döbler Jens,
Sauer Joachim,
Santambrogio Gabriele,
Brümmer Mathias,
Wöste Ludger,
Janssens Ewald,
Meijer Gerard,
Asmis Knut. R.
Publication year - 2007
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200604823
Subject(s) - gas phase , aluminum oxide , materials science , oxide , phase (matter) , aluminium , crystallography , chemistry , metallurgy , organic chemistry
No family resemblance : IR photodissociation experiments and DFT optimizations implementing a genetic algorithm suggest that small aluminum oxide clusters have unusual structures in the gas phase. For example, the structure proposed for [(Al 2 O 3 ) 4 ] + (see picture; Al black, O gray) has no features in common with bulk alumina phases.