figshare
Browse
gcoo_a_1485899_sm7339.docx (613.12 kB)

Three Cd(II) coordination polymers based on a pyridyldicarboxylate: effect of coordinated water

Download (613.12 kB)
Version 2 2018-06-19, 04:31
Version 1 2018-06-07, 11:49
journal contribution
posted on 2018-06-19, 04:31 authored by Hui-Fang Zhou, Zi-Yu Wang, Bo Liu, Gui-Lin Wen, Yao-Yu Wang

By systematic change of the solvothermal synthesis, three new coordination polymers, [Cd(L)∙(H2O)]∙2H2O (1), [Cd(L)∙(H2O)]∙H2O (2), and [Cd(L)] (3), have been synthesized based on a tritopic ligand 4-(pyridin-3-yl)isophthalic acid (H2L). Compounds 1 and 2 show very similar two-dimensional (2D) bilayers further linked by interlayer hydrogen bonds into three-dimensional (3D) supramolecular structures, while 3 displays a 3D structure constructed form one-dimensional (1D) Cd-carboxyl chains. Notably, 1 and 2 have a pair of unusual isomers with the opposite orientation of coordinated H2O on the metal centers, leading to different hydrogen bonding interactions. Thermal stabilities and solid-state photoluminescences for 1 3 were also investigated.

History