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Inorg Chem. 2009 Mar 2;48(5):1805-7. doi: 10.1021/ic802373j.

Unprecedented linking of two polyoxometalate units with a metal-metal multiple bond.

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1
Nikolayev Institute of Inorganic Chemistry, SB RAS, 630090 Novosibirsk, Russia.

Abstract

The reaction of (Bu(4)N)(2)[Re(2)Cl(8)] with lacunary Keggin polyoxometalate K(7)[PW(11)O(39)] in water produces a new dumbbell-shaped heteropolyoxometalate anion, [Re(2)(PW(11)O(39))(2)](8-), whose structure contains a central Re(2) core with a quadruple bond between Re atoms (Re-Re 2.25 A), coordinated to two polyoxometalate units. This complex represents the first example of the direct linking of two polyoxometalate units via a metal-metal multiple bond. The compounds were characterized by X-ray analysis, IR, and electrospray ionization mass spectrometry.

PMID:
19235942
DOI:
10.1021/ic802373j
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