Dinuclear nickel(ii) pivalate with μ-AQUA and DI-μ-Pivalato bridges showing a ferromagnetic interaction
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MIKURIYA, Masahiro; SCHUMACHER, Melissa; KAWANO, Chinatsu; AKIHARA, Takahiro; ONO, Kenta; YOSHIOKA, Daisuke; SAKIYAMA, Hiroshi; HANDA, Makoto. Dinuclear nickel(ii) pivalate with μ-AQUA and DI-μ-Pivalato bridges showing a ferromagnetic interaction. In: Chemistry Journal of Moldova. 2014, nr. 2(9), pp. 62-66. ISSN 1857-1727.
10.19261/cjm.2014.09(2).09
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Chemistry Journal of Moldova
Numărul 2(9) / 2014 / ISSN 1857-1727 /ISSNe 2345-1688

Dinuclear nickel(ii) pivalate with μ-AQUA and DI-μ-Pivalato bridges showing a ferromagnetic interaction

CZU: 546-3+544.1+66
DOI: 10.19261/cjm.2014.09(2).09
Pag. 62-66

Mikuriya Masahiro1, Schumacher Melissa1, Kawano Chinatsu1, Akihara Takahiro1, Ono Kenta1, Yoshioka Daisuke1, Sakiyama Hiroshi2, Handa Makoto3
 
1 Kwansei Gakuin University,
2 Yamagata University,
3 Shimane University
 
Disponibil în IBN: 16 martie 2015


Rezumat

Abstract. Dinuclear nickel(II) complex, [Ni2{O2CC(CH3)3}4(OH2){HO2CC(CH3)3}4] (1), was synthesized and characterized by elemental analysis, IR and UV-Vis-NIR spectroscopy, and temperature dependence of magnetic susceptibilities (4.5—300 K). Single-crystal X-ray crystallography revealed a dinuclear core with μ-aqua and di-μ-pivalato bridges having monodentate pivalato and monodentate pivalic acid molecules. Magnetic data analysis showed a ferromagnetic interactions between the two nickel atoms with g = 2.251, J = 2.78 cm−1, D = 3.75 cm–1, and tip = 184 x 10–6 cm3 mol–1; g = 2.253, J = 2.73 cm−1, D = –3.26 cm–1, and tip = 176 x 10–6 cm3 mol–1.

Cuvinte-cheie
nickel complex, dinuclear complex, ferromagnetic interaction, magnetic property