Synthesis and structural characterization of three zinc coordination complexes based on 3,5-dimethylpyrazole and carboxylate ligands

2011 ◽  
Vol 64 (11) ◽  
pp. 1940-1952 ◽  
Author(s):  
Shouwen Jin ◽  
Daqi Wang
Keyword(s):  
Structural Characterization ◽  
Coordination Complexes ◽  
Carboxylate Ligands ◽  
Zinc Coordination

Synthesis and structural characterization of a series of uranyl-betaine coordination complexes

2018 ◽  
Vol 233 (7) ◽  
pp. 507-513 ◽  
Author(s):  
Philip A. Smith ◽  
Tyler L. Spano ◽  
Peter C. Burns
Keyword(s):  
Ionic Liquids ◽  
Structural Characterization ◽  
Coordination Complexes ◽  
Structural Chemistry

Abstract Trimethylglycine and betainium class ionic liquids were employed in synthesizing six uranyl-betaine coordination complexes: [(μ2-(CH3)N2C3H3(CH2COO))2 (UO2(Cl)((CH3)N2C3H3(CH2COO)))2] 2[N(SO2CF3)2] (1), [K][UO2(Cl)3((CH3)3NCH2COO)] (2), [(CH3)3NCH2COOH][UO2(Cl)3((CH3)3NCH2COO)]⋅H2O (3), [LiUO2(μ2-(CH3)3NCH2COO)4] 3[N(SO2CF3)2] (4) {(μ2-(CH3)3NCH2COO)UO2(NO3)2((CH3)3NCH2COO)}2 UO2(NO3)2, UO2(NO3)2(H2O)2⋅H2O (5), and UO2(Cl)2(H2O)(μ2-(CH3)3NCH2COO) (6). These complexes expound upon the variability of monocarboxyl-functionalized uranyl coordination complexes, providing an enhanced framework for investigations into the structural chemistry of analogous actinyl systems.

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