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Sequential reduction of high hydride count octahedral rhodium clusters [Rh6(PR3)6H12][BArF4]2: redox-switchable hydrogen storage.

Abstract:

Cyclic voltammetry on the octahedral rhodium clusters with 12 bridging hydride ligands, [Rh6(PR3)6H12][BArF4]2 (R = Cy Cy-[H12]2+, R = iPr iPr-[H12]2+; [BArF4]- = [B{C6H3(CF3)2}4]-) reveals four potentially accessible redox states: [Rh6(PR3)6H12]0/1+/2+/3+. Chemical oxidation did not produce stable species, but reduction of Cy-[H12]2+ using Cr(eta6-C6H6)2 resulted in the isolation of Cy-[H12]+. X-ray crystallography and electrospray mass spectrometry (ESI-MS) show this to be a monocation, whi...

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Publication status:
Published

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Publisher copy:
10.1021/ja066940m

Authors


Brayshaw, SK More by this author
Harrison, A More by this author
McIndoe, JS More by this author
Raithby, PR More by this author
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Journal:
Journal of the American Chemical Society
Volume:
129
Issue:
6
Pages:
1793-1804
Publication date:
2007-02-05
DOI:
EISSN:
1520-5126
ISSN:
0002-7863
URN:
uuid:fc340f69-708e-4041-a78c-7a234892f975
Source identifiers:
51697
Local pid:
pubs:51697
Language:
English

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