Journal
CRYSTENGCOMM
Volume 10, Issue 7, Pages 846-855Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b718790d
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Hydrothermal synthesis has generated four divalent metal coordination polymers incorporating 2,2-dimethylsuccinate (dms) anions and the kinked and hydrogen-bonding capable tethering organodiimine 4,4'-dipyridylamine (dpa), which were characterized by single crystal X-ray diffraction and spectral and thermogravimetric analyses. [Co(dms)(dpa)] (1) contains tetrahedrally coordinated cobalt ions and displays a 3-D four-fold interpenetrated network with the 4(2)6(3)8 sra topology. [Ni(dms)(dpa)] (2) by contrast manifests a 2-D rectangular grid morphology built from [Ni(dms)](n) 1-D chains connected through dpa ligands. While [M(dms)(dpa)] (M = Cu, 3; M = Cd, 4) both possess doubly interpenetrated (4,4) rhomboid grid layers, 4 crystallizes in an acentric space group. Variable temperature magnetic studies indicated the presence of antiferromagnetic interactions in 2, with possible spin canting behavior evident at low temperatures. Ultraviolet irradiation of a sample of 4 promoted blue-violet light emission, likely arising from pi-pi* transitions within the dpa ligands.
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