Amine-templated metal squarates |
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| Authors: | Meenakshi Dan K Sivashankar CNR Rao |
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| Institution: | a Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P.O. Bangalore 560064, Indiab Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore 560012, Indiac Materials Research Laboratory, University of California, Santa Barbara, CA 93106, USA |
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| Abstract: | Two layered amine-templated cobalt squarates, C6N2H14]2Co2(C4O4)3(H2O)4], I, and C3N2H5]2Co2(C4O4)3(H2O)4], II, have been prepared under hydrothermal conditions. Both I and II contain chains formed by dimers comprising two cobalt atoms bound to the squarate units, the chains being connected through hydrogen bond interactions. An amine-templated cobalt squarate of the formula C4N2H12]Co(C4O4)2(H2O)4]H2O]2, III, as well as its Ni, Zn and Cd analogues have been prepared by room temperature reactions. III has a layered architecture wherein the cobalt-squarate monomers are linked by the amine molecules. Co and Zn analogues of Ni(C4O4)(H2O)2(C3N2H4)] with ligating imidazole units have also been prepared and characterized. |
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