Hydrothermal synthesis, crystal structures and properties of Tiron-bridged di- and trinuclear strontium complexes containing nitrogen-donor ligands

作者：Guan, Lei^*; Wang, Ying

来源：Polyhedron, 2015, 97: 175-181.

DOI：10.1016/j.poly.2015.05.017

• Strontium complex
• Hydrothermal synthesis
• Crystal structure
• Property
• Nitrogen-donor ligand

The hydrothermal reactions of SrCl2 with 4,5-dihydroxy-1,3-benzenedisulfonic acid disodium (Na(2)H(2)Tiron) and 1,10-phenanthroline ligands yielded two strontium complexes of general formula [Sr-2(Tiron)(2)(Phen)(2)(H2O)(3)]center dot 2H(2)phen center dot 2H(2)O (1) and [Sr-3(Tiron)(2)(Phen)(3)(H2O)(5)]center dot Hphen center dot 0.5H(2)phen center dot 8H(2)O (2) (phen = 1,10-phenanthroline). Complexes 1-2 were characterized by X-ray single crystal diffraction, elemental analyses, FT-IR, and thermogravimetric analyses. Complex 1 feathers a pentdentate Tironbridged dinuclear structure, where Sr1 and Sr2 ions exhibit bicapped trigonal prism and monocapped square antiprism geometries, respectively, interconnected through edge-sharing. Complex 2 is a pentdentate and hexadentate Tiron-bridged trinuclear one, where Sri and Sr2 ions all exhibit bicapped trigonal prism geometries, interlinked via edge-sharing, and Sr3 ion exhibits a rare triangular prism geometry. The luminescent properties were also studied, and the results exhibit that the luminescence emissions of complexes 1-2 happen the bathochromic shifts, compared with the ligands.

• 出版日期2015-9-5
• 单位辽宁石油化工大学