Претраживање
Приказ резултата 11-20 од 25
Structural diversification of the coordination mode of divalent metals with 1,3-propanediaminetetraacetate (1,3-pdta): The missing crystal structure of the s-block metal complex [Sr-2(1,3-pdta)(H2O)(6)]center dot H2O
(Oxford : Pergamon-Elsevier Science Ltd, 2011)
This paper reports the synthesis and X-ray characteristics of the missing homonuclear s-block metal complex {[Sr-2(1,3-pdta)(H2O)(6)]center dot H2O}(n). In the title compound, the hexadentate 1,3-propanediaminetetraacetate ...
Carboxylato-bridged polymeric complexes of chromium(III) with the hexadentate (+/-)-1,3-pentanediamine-N,N,N ',N '-tetraacetate ligand carrying different counter ions. Stereospecific formation and crystal structures of Na[Cr(1,3-pndta)]center dot H2O, K[C
(Oxford : Pergamon-Elsevier Science Ltd, 2014)
A series of Na+, K+ and Ca2+ salts of chromium(III) complexes with the hexadentate (+/-)-1,3-pentanediamine-N,N,N',N'-tetraacetate (1,3-pndta) ligand was evaluated. The extent of distortion exhibited in the geometry of ...
Layered crystal structure of the trans(O5O6) isomer of potassium (1,3-propanediamine-N,N '-diacetato-N,N '-di-3-propionato) cobaltate(III) trihydrate, trans(O5O6)-K[Co(1,3-pddadp)] center dot 3H(2)O, stabilized by ionic, hydrogen bond and C=O dipolar inte
(Oxford : Pergamon-Elsevier Science Ltd, 2005)
The hexadentate trans(O5O6)-K[Co(1,3-pddadp)] (.) 3H(2)O complex (where 1,3-pddadp represents the 1,3-propanediamine-N,N'-diacetate-N,N'-di-3-propionate ion) has been characterized by single-crystal X-ray crystallography. ...
Synthesis, characterization and antimicrobial activity of Pd(II) and Fe(III) complexes with ethyl (2E)-2-[2-(diphenylphosphino)benzylidene]hydrazinecarboxylate
(Oxford : Pergamon-Elsevier Science Ltd, 2014)
Complexes of Pd(II) and Fe(III) with the condensation derivative of 2-(diphenylphosphino)benzaldehyde and ethyl carbazate were synthesized, characterized, and their antimicrobial activity was evaluated. The structures of ...
Mechanism of complex formation between [AuCl4]- and l-methionine
(Oxford : Pergamon-Elsevier Science Ltd, 2009)
The kinetics of the reaction between the tetrachloroaurate(III) ion and l-methionine (l-Met) (0.1 M HClO4, pH 1.0-2.5) have been studied spectrophotometrically using a stopped-flow technique at different temperatures. ...
Synthesis and spectral characterization of nickel(II) and copper(II) complexes with the hexadentate (+/-)-1,3-pentanediamine-N,N,N ',N '-tetraacetate ligand and its pentadentate derivative: Stereospecific formation and crystal structure of [Mg(H2O)(6)][Ni
(Oxford : Pergamon-Elsevier Science Ltd, 2012)
Structural variations modulated by ethyl side group have been analyzed for nickel(II) and copper(II) complexes with (+/-)-1,3-pentanediamine-N,N,N',N'-tetraacetate ligand (1,3-pndta) and its pentadentate derivative ...
Synthesis and spectroscopic properties of large single-crystals of Pb(II), Hg(II) and Sr(II) methanesulfonato 1D coordination polymers
(Oxford : Pergamon-Elsevier Science Ltd, 2014)
Three new 1D coordination polymers, [Pb-2(CH3SO3)(4)(H2O)(2)](n), [Hg(CH3SO3)(2)(H2O)(2)](n) and [Sr(CH3SO3)(2)(H2O)](n), were synthesized as large single crystals. The crystals were analyzed and characterized by the means ...
DFT investigation of the influence of Jahn-Teller distortion on the aromaticity in square-planar arsenic and antimony clusters
(Oxford : Pergamon-Elsevier Science Ltd, 2014)
Density functional theory (DFT) calculations were performed to investigate aromaticity of tetra atomic metalloid clusters, As-4(2-) and Sb-4(2-). The careful analysis of nuclear independent chemical shifts (NICS) revealed ...
Synthesis, structures and magnetic properties of octahedral Co(III) complexes of heteroaromatic hydrazones with tetraisothiocyanato Co(II) anions
(Oxford : Pergamon-Elsevier Science Ltd, 2018)
Octahedral Co(III) complexes with heteroaromatic hydrazones ((E)-N,N,N-trimethyl-2-oxo-2-(2-(1-(pyridin-2-yl)ethylidene)hydrazinyl)ethan-1-aminium chloride and (E)-2-(1-(thiazol-2-yl)ethylidene)hydrazine-1-carbothioamide) ...
Crystal structures, magnetic properties and DFT study of cobalt(II) azido complexes with the condensation product of 2-quinolinecarboxaldehyde and Girard's T reagent
(Oxford : Pergamon-Elsevier Science Ltd, 2018)
A tridentate NNO condensation product of 2-quinolinecarboxaldehyde and Girard's T reagent (HLC1) in the presence of azide ions coordinates with cobalt(II) giving mononuclear azido Co(II) complex [CoHL (N-3)(3)](1) as a ...