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The metal-NO interaction in the redox systems [Cl5Os(NO)](n-), n=1-3, and cis-[(bpy)(2)ClOs(NO)](2+/+): Calculations, structural, electrochemical, and spectroscopic results

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F06%3A00040954" target="_blank" >RIV/61388955:_____/06:00040954 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    The metal-NO interaction in the redox systems [Cl5Os(NO)](n-), n=1-3, and cis-[(bpy)(2)ClOs(NO)](2+/+): Calculations, structural, electrochemical, and spectroscopic results

  • Original language description

    Experimental and computational results for the two-step redox system [Cl5Os(NO)](n-) (n = 1-3) are reported and discussed in comparison to the related one-step redox systems [Cl5Ru(NO)](n-) and [Cl5Ir(NO)](n-) (n = 1, 2). The osmium system exhibits remarkably low oxidation and reduction potentials. The structure of the precursor (PPh4)(2)[Cl5Os( NO)] is established as an {MNO}(6) species with almost linear OsNO arrangement at 178.1 degrees. Density-functional theory (DFT) calculations confirm this result, and a comparison of structures calculated for several oxidation states reveals an increased labilization of the trans-positioned M - Cl bond on reduction in the order M = Ir < Os < Ru. Accordingly, the intact reduced form [Cl5Os(NO)](3-) could not beobserved in fluid solution even on electrolysis at - 70 degrees C in n- butyronitrile solution, as confirmed both by DFT calculations and by comparison with the electron paramagnetic resonance and ...

  • Czech name

    Kov-NO interakce v redox systémech [Cl5Os(NO)]n-, n = 1-3 a cis [(bpy)2ClOs(NO)]2+/+: Výpočty, strukturní, elektrochemické a spektroskopické výsledky

  • Czech description

    Experimentální a výpočetní studie dvoustupňového redox systému [Cl5Os(NO)]n- (n = 1-3) jsou presentovány a diskutovány ve srovnání s analogickými jednostupňovými redox systémy [Cl5Ru(NO)]n- and [Cl5Ir(NO)]n- (n = 1,2). Osmiový komplex vykazuje významně nízké oxidační a redukční potenciály. Struktura prekursoru (PPh4)2[Cl5Os(NO)] je určena jako {MNO}6 částice s téměř lineárním OsNO uspořádáním 178.1o. DFT výpočty tento výpočet potvrzují, srovnání vypočtených struktur pro několik oxidačních stavů ukazujena zvětšující se oslabování M-Cl vazby v trans-poloze při redukci v pořadí M = Ir < Os < Ru.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CG - Electrochemistry

  • OECD FORD branch

Result continuities

  • 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)

Others

  • Publication year

    2006

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Inorganic Chemistry

  • ISSN

    0020-1669

  • e-ISSN

  • Volume of the periodical

    45

  • Issue of the periodical within the volume

    12

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    8

  • Pages from-to

    4602-4609

  • UT code for WoS article

  • EID of the result in the Scopus database