TITLE

Non-aqueous chemistry of uranyl complexes with tripodal ligands

AUTHOR(S)
Burns, Carol J.; Clark, David L.; Duval, Paul B.; Scott, Brian L.
PUB. DATE
July 2000
SOURCE
AIP Conference Proceedings;2000, Vol. 532 Issue 1, p397
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The trans dioxo uranyl(VI) ion (UO[sub 22][sup +]) is remarkably stable with respect to the U==O bond, which dominates the stereochemistry of its coordination compounds in both aqueous and non-aqueous solutions. The linear O==U==O unit directs all other ligands to coordinate in an equatorial plane perpendicular to the O==U==O axis. In aqueous solution, uranyl coordination chemistry has been developed with a wide array of weak-field ligands that coordinate in the equatorial plane. In contrast, non-aqueous uranyl chemistry incorporating stronger donor ligands at equatorial sites has been less well developed. In this paper, the use of tripodal ligands with strong amide and alkoxide donors is employed, with an aim towards probing the electronic and steric effects of these cis-directing ligands on the structure and bonding of the trans dioxo unit. © 2000 American Institute of Physics.
ACCESSION #
5663303

 

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