Investigation of the Electronic Structure of Aryl-Bridged Dinuclear U(III) and U(IV) Compounds

Investigation of the Electronic Structure of Aryl-Bridged Dinuclear U(III) and U(IV) Compounds
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芳基桥双核 U(III) 和 U(IV) 化合物的电子结构研究

DOI:
10.1021/acs.organomet.8b00794
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发表时间:
2019
期刊:
影响因子:
2.8
通讯作者:
Shores, Matthew P.
Shores, Matthew P.
中科院分区:
化学2区
文献类型:
--
作者:
Tatebe, Caleb J.;Kiernicki, John J.;Higgins, Robert F.;Ward, Robert J.;Natoli, Sean N.;Langford, James C.;Clark, Christopher L.;Zeller, Matthias;Wenthold, Paul;Shores, Matthew P.

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A family of dinuclear bis(Tp*) (Tp* = hydrotris(3,5-dimethylpyrazolyl)borate) uranium compounds with conjugated organic linkers was synthesized to explore possible electronic communication between uranium ions. Trivalent diuranium phenyl alkynyl compounds, Tp*2UCC(1,3-C6H4)CCUTp*2(2-meta) or Tp*2UCC(1,4-C6H4)CCUTp*2(2-para), and tetravalent diuranium phenylimido compounds, Tp*2U(N-1,3-C6H4–N)UTp*2(3-meta) and Tp*2U(N-1,4-C6H4–N)UTp*2(3-para), were generated from trivalent Tp*2UCH2Ph. All compounds were fully characterized both spectroscopically and structurally. The electronic structures of all derivatives were interrogated using magnetic measurements, electrochemistry, and were the subject of computational analyses. All of these data combined established that little electronic communication exists between the uranium centers in these trivalent and tetravalent diuranium molecules.
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