Syntheses, crystal structures, and characterization of heteronuclear complexes based on a versatile ligand with both acetylacetonate and bis(2-pyridyl) units |
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| Authors: | Jing Xiong Xiao-Zeng You |
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| Affiliation: | State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Nanjing University, Nanjing 210093, PR China Academician Work Station of Changzhou Trina Solar Energy Co., Ltd., Changzhou 213022, PR China |
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| Abstract: | A new type of multidentate ligand with both acetylacetonate and bis(2-pyridyl) units on the 1,3-dithiole moiety, 3-[2-(dipyridin-2-yl-methylene)-5-methylsulfanyl-[1,3]dithiol-4-ylsulfanyl]-pentane-2, 4-dione (L), has been prepared. Through reactions of the ligand with Re(CO)5X (X = Cl, Br), new rhenium(I) tricarbonyl complexes ClRe(CO)3(L) (2) and BrRe(CO)3(L) (3), have been obtained. With the use of 2 or 3 as the precursors, the further reactions with (TpPh2)Co(OAc)(HpzPh2) (TpPh2 = hydrotris(3,5-diphenylpyrazol-1-yl)borate); HpzPh2 = 3,5-diphenyl-pyrazole) or M(OAc)2(M = Mn, Zn), afford four new heteronuclear complexes: ClRe(CO)3(L)Co(TpPh2) (4), BrRe(CO)3(L)Co(TpPh2) (5), [ClRe(CO)3(L)]2Mn(CH3OH)2 (6) and [ClRe(CO)3(L)]2Zn(CH3OH)2 (7), respectively. Crystal structures of complexes 2 and 4-7 have been determined by X-ray diffraction. Their absorption spectra, photoluminescence and magnetic properties have been studied. |
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| Keywords: | Heteronuclear complexes Crystal structures Photoluminescence Multidentate ligand Rhenium(I) tricarbonyl complexes |
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