Synthesis and characterization of a novel cyclic tetranuclear CoII4 cluster consisting of a quadrilateral core |
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| Authors: | Manindranath Bera Ghezai T Musie Douglas R Powell |
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| Affiliation: | 1. Department of Chemistry, University of Kalyani, Kalyani, West Bengal 741235, India;2. Department of Chemistry, The University of Texas at San Antonio, San Antonio, TX 78249, United States;3. Department of Chemistry and Biochemistry, University of Oklahoma, Norman, OK 73019, United States |
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| Abstract: | A novel cyclic tetranuclear cluster, Co(H2O)6]Co4(ccdp)2(H2O)4]·8H2O·2CH3CN (1) with cobalt(II) ions sitting in a quadrilateral has been synthesized and fully characterized by exploiting the flexibility, chelating ability and bridging potential of a carboxylate rich dinucleating ligand, H5ccdp H5ccdp = N,N′-Bis2-carboxybenzomethyl]-N,N′-Biscarboxymethyl]-1,3-diaminopropan-2-ol]. The crystal structure of 1 contains a Co4II(H2O)4)]2– core unit which is held together by two bridging benzoate potions of the ligands, ccdp5–. Furthermore, the Co4II(H2O)4)]2– core unit is stabilized and charge neutralized by intermolecular hydrogen bonding and Co(H2O)6]2+, respectively. |
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