Plutonium coordination and redox chemistry with the CyMe-BTPhen polydentate N-donor extractant ligand

Complexation of Pu( iv ) with the actinide extractant CyMe 4 -BTPhen (2,9-bis(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-1,2,4-benzotriazin-3-yl)-1,10-phenanthroline) was followed by vis-NIR spectroscopy in acetonitrile solution. The solid-state structure of the crystallized product suggests that Pu( iv...

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Published in:Chemical communications (Cambridge, England) England), 2018-11, Vol.54 (89), p.12582-12585
Main Authors: Reilly, Sean D, Su, Jing, Keith, Jason M, Yang, Ping, Batista, Enrique R, Gaunt, Andrew J, Harwood, Laurence M, Hudson, Michael J, Lewis, Frank W, Scott, Brian L, Sharrad, Clint A, Whittaker, Daniel M
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Summary:Complexation of Pu( iv ) with the actinide extractant CyMe 4 -BTPhen (2,9-bis(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-1,2,4-benzotriazin-3-yl)-1,10-phenanthroline) was followed by vis-NIR spectroscopy in acetonitrile solution. The solid-state structure of the crystallized product suggests that Pu( iv ) is reduced to Pu( iii ) upon complexation. Analysis by DFT modeling is consistent with metal-based rather than ligand-based reduction. Complexation of Pu( iv ) with the actinide extractant CyMe 4 -BTPhen (2,9-bis(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-1,2,4-benzotriazin-3-yl)-1,10-phenanthroline) was studied experimentally and by computational analysis.
ISSN:1359-7345
1364-548X
DOI:10.1039/c8cc06015k