Abstract
Abstract A novel coordination polymer of sodium [Na2(Pzta)2(H2O)2]n (1) has been synthesized hydrothermally by reacting pyrazine carbonitrile and sodium azide in the presence of aluminum(III) chloride as Lewis acid catalyst. Complex 1 was characterized by elemental analysis, thermal gravimetric analysis and IR spectroscopy. Single crystal X-ray diffraction revealed that complex 1 has both distorted trigonal bipyramidal and square pyramidal coordination geometries around sodium atoms. Complex 1 represents the first hydrothermally synthesized 1D sodium monotetrazole coordination polymer. Strong hydrogen bonds are formed between water molecules and nitrogen atoms of both pyrazine and tetrazole rings which result in the formation of a 2D metallosupramolecular network. The luminescence properties of 1 were also investigated at room temperature in the solid state.
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