期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 137, 期 33, 页码 10492-10495出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.5b06630
关键词
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资金
- German Excellence Initiative
- EPSRC [EP/H004823/1, EP/M010554/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/H004823/1, EP/M010554/1] Funding Source: researchfish
Molecules containing actinide nitrogen multiple bonds are of current interest as simple models for new actinide nitride nuclear fuels, and for their potential for the catalytic activation of inert hydrocarbon C-H bonds. Complexes with up to three uranium nitrogen double bonds are now being widely studied, yet those with one thorium nitrogen double bond are rare, and those with two are unknown. A new, simple mono(imido) thorium complex and the first bis(imido) thorium complex, K[Th(=NAr)N(3)] and 1(2[Th(= NAr)(2)N(2)], are readily made from insertion reactions (Ar = aryl, N = N(SiMe3)(2)) into the Th-C bond of the cyclometalated thorium amides [ThN(2)(N(SiMe3)-(SiMe2CH2))] and K[ThN(N(SiMe3)(SiMe2CH2))(2)]. X-ray and computational structural analyses show a transition-metal-like cis-bis(imido) geometry and polarized Th=N bonds with twice the Wiberg bond order of the formally single Th N-bond in the same molecule.
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