Publikace detail

Synthesis, characterization and structural investigation of the first vanadocene(IV) carboxylic acid complexes prepared from the vanadocene dichloride

Autoři: Honzíček Jan | Nachtigall Petr | Císařová Ivana | Vinklárek Jaromír

Rok: 2004

Druh publikace: článek v odborném periodiku

Název zdroje: Journal of Organometallic Chemistry

Strana od-do: 1180-1187

Tituly:

Jazyk	Název	Abstrakt	Klíčová slova
cze	Syntéza, charakterizace a strukturní výzkum komplexů vanadocen(IV) kyseliny karboxylové připravených z vanadocen dichloridu	Syntéza, charakterizace a strukturní výzkum komplexů vanadocen(IV) kyseliny karboxylové připravených z vanadocen dichloridu	vanadocene dichloride; antitumor agent; X-ray; EPR; DFT
eng	Synthesis, characterization and structural investigation of the first vanadocene(IV) carboxylic acid complexes prepared from the vanadocene dichloride	Two types of vanadocene complexes with carboxylic acids have been synthesized from the aqueous solution, Cp2V(OOCR)(2) (R = H, CCl3 and CF3) and Cp2V(OOC-A-COO) (A = - and CH2), and characterized by EPR, IR, and Raman spectroscopy and X-ray diffraction analysis. Monocarboxylic and dicarboxylic acids form monodentate and chelate complexes, respectively. Both bonding types were evidenced by X-ray diffraction analysis. Structures and EPR HFC tensors were also calculated at the DFT level. Correlation between the complex structure and HFC tensor was established. HFC tensors are characteristic for the type of bond of carboxylic acid on vanadocene fragment. It is shown that the structure of complexes can be determined by the combination of theoretical method with experimental EPR spectra	vanadocene dichloride; antitumor agent; X-ray; EPR; DFT

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