Unsymmetrical dinuclear cobalt and nickel trimethylacetate complexes |
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| Authors: | Fomina I G Sidorov A A Aleksandrov G G Zhilov V I Ikorskii V N Novotortsev V M Eremenko I L Moiseev I I |
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| Institution: | (1) N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, 31 Leninsky prosp., 119991 Moscow, Russian Federation;(2) A. V. Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, 3 prosp. Akad. Lavrent"eva, 630090 Novosibirsk, Russian Federation |
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| Abstract: | The reaction of the dinuclear complex Co2( -OOCCMe3)2( 2-OOCCMe3)2bpy2 (1) with the polymer Co(OH)
n
(OOCCMe3)2–n
]
x
afforded the unsymmetrical dinuclear complex bpyCo2(2-O,2-OOCCMe3)(2-O,O"-OOCCMe3)2(2-OOCCMe3) (2). The reaction of 2,2"-dipyridylamine with Co(OH)
n
(OOCCMe3)2–n
]
x
gave rise to the analogous complex (C5H4N)2NH]Co2(2-O,2-OOCCMe3)(-OOCCMe3)2(2-OOCCMe3) (3). The reaction of complex 1 with Ni4(3-OH)2(-OOCCMe3)4(OOCCMe3)2(MeCN)22-o-C6H4(NH2)(NHPh)]2 (4) produced an isostructural heterometallic analog of complex 2 with composition bpyM2(2-O,2-OOCCMe3)(2-O,O"-OOCCMe3)2(2-OOCCMe3) (5) (M = Co, Ni; Co : Ni = 1 : 1) and the dinuclear heterometallic complex bpy(HOOCCMe3)M(-OH2)(-OOCCMe3)2M(OOCCMe3)2o-C6H4(NH2)(NHPh)] (6) (M = Co, Ni; Co : Ni = 0.15 : 1.85). Compounds 2 and 5 exhibit ferromagnetic spin-spin exchange interactions. |
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| Keywords: | cobalt and nickel complexes trimethylacetate complexes 2 2"-bipyridyl 2 2"-dipyridylamine N-phenyl-o-phenylenediamine heterometallic complexes X-ray diffraction analysis magnetic properties |
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