Crystal structure of complexes of bivalent Co,Ni, and Cd with anions of benzoic and 2-(acetylamino)-5-nitrobenzoic acids |
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| Authors: | M F Rzaeva R K Askerov E M Movsumov V S Sergienko A B Ilyukhin |
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| Institution: | 1.Azerbaijan State Agricultural University,Ganja,Azerbaijan;2.Baku State University,Baku,Azerbaijan;3.Kurnakov Institute of General and Inorganic Chemistry,Russian Academy of Sciences,Moscow,Russia |
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| Abstract: | The structure of three complexes of bivalent metals (cobalt, nickel, and cadmium) with anions of benzoic (HL
1) and 2-(acetylamino)-5-nitrobenzoic (HL
2) acids, namely, Co21 (H2O)2(μ-C4H4N2)]
n
(I), NiL2(H2O)5]L2 · 2H2O (II), and Cd(μ-L
2)2(H2O)2]
n
· 2nH2O (III), is determined. In chainlike structure I, cobalt atoms are connected by bridging pyrazine molecules; structure II contains isolated complexes. In structure III, centrosymmetric (CdOCO)2 cycles and polymeric ribbons are formed due to the coordination of the carboxylate group of the L
2 ligand to two cadmium atoms. |
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| Keywords: | |
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