Effect of metal exchange (Os vs Ru) and co-ligand variation (Cl- vs acac-) on the oxidation state distribution in complexes of an o-phenylenediamido(2-)/o-quinonediimine redox system

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F09%3A00332443" target="_blank" >RIV/61388955:_____/09:00332443 - isvavai.cz</a>

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Effect of metal exchange (Os vs Ru) and co-ligand variation (Cl- vs acac-) on the oxidation state distribution in complexes of an o-phenylenediamido(2-)/o-quinonediimine redox system

Original language description

The compounds OsCl2L2 (1), RuCl2L2 (2) and Ru(acac)(2)L (3), L degrees = N-phenyl-o-quinonediimine and acac(-) = 2,4-pentanedionato, have been synthesised and electrochemically, spectroscopically and structurally characterised with the support of detailed DFT calculations. For the new osmium compound 1, the average values for C=NH (1.331 angstrom), C=NPh (1.345 angstrom) and C=C(meta) bond lengths at 1.360 angstrom agree more with an o-semiquinonediimine than with an o-quinonediimine formulation for thecoordinated ligand, whereas the latter assignment is more appropriate to describe the ruthenium analogue 2 (average bond lengths of 1.308, 1.324 and 1.348 angstrom, respectively). In turn, the corresponding average bond lengths in 3 (1.333, 1.352 and 1.350 angstrom, respectively) are suggestive of an o-semiquinonediimine ligand. DFT calculations confirm the structural data and describe the electronic structures related to the oxidation state assignments.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

CF - Physical chemistry and theoretical chemistry

OECD FORD branch

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Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year

2009

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Dalton Transactions

ISSN

1477-9226

e-ISSN

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Volume of the periodical

-

Issue of the periodical within the volume

37

Country of publishing house

GB - UNITED KINGDOM

Number of pages

8

Pages from-to

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UT code for WoS article

000269835800028

EID of the result in the Scopus database

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