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Bis(.eta.5-cyclopentadienyl)titanium(II) in the Gas Phase. Mass Spectrometric and Computational Study of the Structure and Reactivity

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F07%3A00049072" target="_blank" >RIV/61388955:_____/07:00049072 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Bis(.eta.5-cyclopentadienyl)titanium(II) in the Gas Phase. Mass Spectrometric and Computational Study of the Structure and Reactivity

  • Original language description

    Bis(.eta.5-cyclopentadienyl)titanium(II), titanocene, was generated in the gas phase by a thermolysis of the titanocene complex with bis(trimethylsilyl)acetylene. This elusive compound was characterized by means of mass spectrometric methods. Density functional theory (DFT) calculations indicated that the triplet ground state titanocene is kinetically stable towards the unimolecular isomerizations. Based on a DFT calculated energetics, a mechanism of the formation of a titanocene dimer, was proposed, which was based on a formation of bis(.eta.5-cyclopentadienyl)titanium hydride as a key intermediate.

  • Czech name

    Bis(g5-cyclopentadienyl)titanium(II), titanocen v plynné fázi: Hmotnostní spektrometrie a počítačové studie struktury a reaktivity

  • Czech description

    Monomerní bis(.eta.5-cyclopentadienyl)titanium(II), titanocen, byl přípraven v plynné fází termolýzou komplexu titanocenu s bis(trimethylsilyl)acetylenem. Tato nestabilní sloučenina byla charakterizována metodami hmotnostní spektrometrie. Na základě výpočtů metodou DFT je zřejmé, že tripletní základní stav titanocenu je kineticky stabilní vůči izomeraci. Na základě výpočtu energií pomocí metody DFT byl navržen mechanismus tvorby dimerního titanocenu, ve kterém se předpokláda jako klíčový intermediát bis(.eta.5-cyclopentadienyl)titanium hydrid.

Classification

  • Type

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

  • CEP classification

    CF - Physical chemistry and theoretical chemistry

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/IAB4040201" target="_blank" >IAB4040201: Modeling metallocene catalysts in the gaseous phase</a><br>

  • 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

    2007

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Journal of Organometallic Chemistry

  • ISSN

    0022-328X

  • e-ISSN

  • Volume of the periodical

    692

  • Issue of the periodical within the volume

    19

  • Country of publishing house

    CH - SWITZERLAND

  • Number of pages

    11

  • Pages from-to

    4073-4083

  • UT code for WoS article

  • EID of the result in the Scopus database