科研之友
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摘要
One novel 3D 3d-4f coordination polymer, [LaZn(glc)(ox)(2)(H2O)(2)](n) (1, glc = glycinate, ox = oxalate), was obtained by the in situ synthesis of glycinate from the reaction of tetrazole-1-acetic acid, sodium oxalate, zinc nitrate and lanthanide oxide in the presence of a trace quantity of nitric acid under hydrothermal conditions. Compound 1 is of monoclinic, space group P2(1)/n with a = 0.99601(9), b = 1.14592(10), c = 1.19107(10) nm and beta = 108.7150(10)degrees. 1 exhibits an unusual 3D heterometallic coordination framework constructed by heterometallic dinuclear LaZn subunits and mixed ox and glc linkers with a uninodal 6-connected vme {3(3).4(3).5(8).6} net.
