Noninnocent dithiolene ligands: a new oxomolybdenum complex possessing a donor-acceptor dithiolene ligand.

Noninnocent dithiolene ligands: a new oxomolybdenum complex possessing a donor-acceptor dithiolene ligand.
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DOI:
10.1021/ja100220x
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发表时间:
2010-06-16
影响因子:
15
通讯作者:
Kirk, Martin L.
Kirk, Martin L.
中科院分区:
化学1区
文献类型:
--
作者:
Matz, Kelly G.;Mtei, Regina P.;Leung, Belinda;Burgmayer, Sharon J. Nieter;Kirk, Martin L.

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A new monoanionic dithiolene ligand is found in Tp*MoO(S2BMOQO). A combination of x-ray crystallography, electronic absorption and resonance Raman spectroscopies, and bonding calculations reveal that the monoanionic dithiolene ligand possesses considerable thiolate-thione character resulting from admixture of an intraligand charge transfer excited state into the ground state wavefunction. The unusual dithiolene exhibits a highly versatile donor-acceptor character that dramatically lowers the Mo(IV/V) redox couple and points to a potentially non-innocent role of the pterin fragment in pyranopterin Mo enzymes.
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