Abstract
A new nickel(II)-thiolate cluster-based coordination polymer [Ni9(mna)10(H2O)10]·(H2O)13 (1) has been constructed by the employment of nickel acetate tetrahydrate and 2-mercaptonicotinic acid (mna) as starting reactants under hydrothermal condition and further characterized by single-crystal X-ray diffraction, infrared spectroscopy, CHN elemental analysis, thermogravimetric analysis, powder X-ray diffraction, and magnetic analysis. Single-crystal X-ray diffraction discloses that compound 1 consists of a heptanuclear nickel sulfur [Ni7S10] cluster and binuclear nickel oxygen [Ni2O2] node, which results in the formation of covalent two-dimensional (4,4)-topological network. Intriguingly, the nickel(II)-thiolate cluster [Ni7S10] plays the role as a secondary building unit (SBU) in this infinite coordination polymer 1 instead of a discrete and tiara-like cluster structure as previously reported in the literature. Furthermore, compound 1 displays a tightly packed three-dimensional construction through π···π st...
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