Kinetic, Spectroscopic and Magnetic Properties of 1,4,8,11-Tetraazacyclotetradecanenickel Bi- and Trivalent Complexes

• Autorzy: Banaś, B. , Nahorska, M. , Korybut-Daszkiewicz, B, , Mroziński, J.
• Języki publikacji: EN

Abstrakty

EN

Nickel(II) and nickel(III) complexes of formula [NiIILCl2] and [NiIIILCl2]+ containing tetraaza macrocyclic ligands with nitrogen donor atoms, where L = [14]aneN4 (L1), 2-Me[14]aneN4 (L2), 5,12-Me2[14]aneN4(L3), 5,7,7,12,14,14-Me6[14]aneN4 (L4), form stable crystals with a pseudo-octahedral geometry of central atom. This work concerns the methyl analogues of Ni(II) and Ni(III) complexes. Magnetic and spectroscopic measurements gave values of spectroscopic parameter g and paramagnetic temperature dependence characteristic for this type of compounds. Their properties were investigated using EPR, reflectance spectroscopy and IR techniques. The Faraday method was used for the investigation of magnetic susceptibility between 4.2-300 K.

Słowa kluczowe

EN

Ni(II, III) complexes; EPR and IR spectroscopy; tetraazamacrocyclic complexes; electron transfer process; kinetics; magnetic and spectroscopic measurements

• Czasopismo: Polish Journal of Chemistry
• Rocznik: 2003
• Tom: Vol. 77 / nr 1
• Strony: 21-29
• Opis fizyczny: Bibliogr. 24 poz., rys.

Twórcy

autor

Banaś, B.

• Faculty of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50-383 Wrocław, Poland

autor

Nahorska, M.

• Faculty of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50-383 Wrocław, Poland

autor

Korybut-Daszkiewicz, B,

• Institute of Organic Chemistry, Polish Academy of Sciences, M. Kasprzaka 44, 01-224 Warszawa, Poland,

autor

Mroziński, J.

• Faculty of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50-383 Wrocław, Poland

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