In this section, you can access to the latest technical information related to the FUTURE project topic.

Synthesis and characterization of two polyoxotantalates: A building block and its dimeric

Self-assembly reactions of K8Ta6O19·17H2O, CoCl2·6H2O and organic ligands yield, depending on the different organic ligands, two new polyoxotantalate complexes: [(Ta6O19)Co(H2O)3]6? (1a) and [(Ta6O19)Co(en)]210? (2a). The polyoxoanion 1a is a monomeric comprised of one {Ta6O19} unit and one Co ion, while the polyoxoanion 2a is a dimeric structure based on 1a. Both the compounds were characterized in the solid state by single crystal X-ray diffraction, elemental analysis, X-ray photoelectron spectroscopy, thermal gravimetric, UV–vis spectra and FT-IR. In addition to the structural characterization, the solution behavior of these clusters has also been explored using electrospray ionization mass spectrometry. Interestingly, the peak assignments display that compound 1 exists as monomer or further reorganizes to dimer in water and compound 2 can retain its structural integrity.

» Author: Suzhi Li, Shumin Chen, Fuli Zhang, Zhongyi Li, Chi Zhang, Guangxiu Cao, Bin Zhai

» Reference: 10.1016/j.inoche.2019.05.004

» Publication Date: 05/06/2019

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