Abstract
Three new coordination polymers, [Cu(μ3-tdp)(im)2]n (1), {[Cu(μ3-tdp)(1-mim)2]·0.5H2O}n (2) and {[Cu2(μ3-tdp)2(4-mim)4]·H2O}n (3) [tdpH2 = 3,3′-thiodipropionic acid, im = imidazole, 1-mim = 1-methylimidazole and 4-mim = 4-methylimidazole], have been prepared and characterized by spectroscopic techniques (IR and UV–Vis), elemental analyzes, magnetic measurements, thermal analyzes, and single-crystal X-ray diffraction. Complexes 1–3 crystallize in the monoclinic system with space groups of C2/c and P21/c, respectively. In 1–3, tdp is a bridging ligand to form 1-D chains, which are extended into a 2-D layer by hydrogen bonding and π···π interactions. The 3,3′-thiodipropionate exhibits an unexpected coordination mode in 1–3. Simulations were used to assess the potential of the complexes in H2 storage applications.
Acknowledgement
This work was supported by the Scientific Research Fund of Eskişehir Osmangazi University [Project number 201219A101].