Abstract
In this study, three new 3D coordination polymers (CPs), {[Cd3(L)(H2O)6]·H2O}n (1), {[Cu1.5(L)0.5(bimb)1.5]·5H2O·DMF}n (2), and {[Mn1.5(H3L)(bibp)0.5(H2O)2]·3H2O}n (3) (bimb= 1,3-bis(imidazol-1-yl)benzene, bibp= 1,4-bis((4-imidazol-1-yl)benzyl)piperazine), were prepared under solvothermal or hydrothermal conditions based on a hexadentate ligand (1,3,5-triazine-2,4,6-triamine hexa-acetic acid (H6L)). Structural elucidations were carried out by IR spectra along with single-crystal X-ray diffraction analysis, while thermogravimetric analysis (TGA) (dynamic and isothermal) and XRD techniques were used for property evaluations of the polymers. Furthermore, the fluorescence properties and detection of the Fe3+ ions in 1 were tested at room temperature, and the electrochemical behavior of 2 is also stated in this article.
Highlights
With special pore structures and potential application values, coordination polymers (CPs) over the past few decades have attracted researchers’ interest [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15]
CP 1 was crystallized in a monoclinic space group, P21 /c, and it contained one carboxylic acid ligand, three crystallographically independent Cd(II) ions, six coordinated H2 O molecules, and one free H2 O molecule (Figure 1a)
Adjacent Cd(II) ions were joined by carboxylic acid ligands
Summary
With special pore structures and potential application values, coordination polymers (CPs) over the past few decades have attracted researchers’ interest [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15]. Song and coworkers synthesized three new coordination polymers with H6L and different ligands and indicated that these compounds displayed high-sensitivity luminescent of nitro derivatives. L and different ligands and indicated that these compounds displayed high-sensitivity electric-field-induced surface photovoltage spectroscopy showed that these compounds could luminescent sensing functions for nitrobenzene. Cd complexes have good luminescent properties, and and they electric-field-induced surface photovoltage spectroscopy showed that these compounds could behave are widely used in fluorescence sensing [35]. Mn complexes have been widely reported in the fields of catalysis, ion complexessensing were synthesized under hydrothermal/solvothermal conditions using hexacarboxylic magnetism, and electrochemistry [36,37]. Three different metal ion complexes acid and two kinds of ligands (Scheme 1): they were named {[Cd3(L)(H2O)6]·H2O}nwere (1), synthesized under1.5 hydrothermal/solvothermal conditions using hexacarboxylic acid and two kinds of.
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