Hydrothermal synthesis has generated a series of cadmium aliphatic dicarboxylate coordination polymers containing the multitopic bis(4-pyridylformyl)piperazine (bpfp) neutral ligand, which were characterized by single-crystal X-ray diffraction, luminescence spectroscopy, and thermogravimetric analysis. {[Cd(suc)(bpfp)(H2O)]�2H2O}n (1 , suc = succinate) has a simple yet very rare 4-connected 658 layered topology. {[Cd(dmg)(bpfp)(H2O)]�H2O}n (2 , dmg = 2,2-dimethylglutarate) also shows a 4-connected net, but with a 3-fold interpenetrated sra  42638 topology. {[Cd(Hemg)2(bpfp)(H2O)]�2H2O}n (3 , emg = 3-ethyl, 3-methylglutarate) is a simple 1-D chain coordination polymer. {[Cd2(adp)(bpfp)2(H2O)2](ClO4)2�2H2O}n (4 , adp = adipate) has {Cd2O2} dimeric units linked by adp and exotridentate bpfp ligands into a rare (3,8)-connected tfz-d  binodal topology. The perchlorate-free derivative {[Cd(adp)(bpfp)}n (5 ),  has {Cd2(OCO)2} clusters which link as 6-connected nodes into a primitive cubic topology.

Effect of aliphatic dicarboxylate tether on topology in luminescent cadmium coordination polymers containing bis(4-pyridylformyl)piperazine

243rd National Meeting (2012)

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