Abstract
Two coordination polymers of cadmium with formula [Cd(pyp) 2(H 2O) 2] n ( 1) and {[Cd 2(pyzca) 3(atr)(H 2O)]·H 2O} n ( 2) [pypH = 3-pyridinepropionic acid, pyzcaH = 2-pyrazinecarboxylic acid and atrH = 5-aminotetrazole] have been synthesized and structurally characterized by X-ray single crystal diffraction analysis. Both complexes display 2D structures that extend into a 3D network by means of hydrogen bonding. The crystal packing of both complexes is reinforced by π–π interactions between adjacent aromatic rings. The fluorescence study indicates intraligand π–π* charge transfer, which is the reason for emission in both the complexes.
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