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Donor atoms

Synthesis and Characterisation of Cu(II) Complexes with Hetero Donor Atoms

Synthesis and Characterisation of Cu(II) Complexes with Hetero Donor Atoms

... the donor atoms, O, N, S to those having N, ...copper atoms are essentially planar, in agreement with the conclusions drawn by the magnetic ...

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Structural, Spectral and Thermal Studies of Novel Tridentate Schiff Base Ligand Type (NOO) as Donor Atoms Derived from Nalidixic Acid and 4-Aminoantipyrine and Metal Complexes and Evaluation of their Biological Activity

Structural, Spectral and Thermal Studies of Novel Tridentate Schiff Base Ligand Type (NOO) as Donor Atoms Derived from Nalidixic Acid and 4-Aminoantipyrine and Metal Complexes and Evaluation of their Biological Activity

... Structural, Spectral and Thermal Studies of Novel Tridentate Schiff Base Ligand Type (NOO) as Donor Atoms Derived from Nalidixic Acid and 4-Aminoantipyrine and Met[r] ...

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Synthesis and coordination chemistry of thiophenol-based heterodonor ligands containing P,S, As,S and P,SAs donor atoms

Synthesis and coordination chemistry of thiophenol-based heterodonor ligands containing P,S, As,S and P,SAs donor atoms

... consists of dimers in which two thiolate sulfur atoms of two ligands bridge the two cadmium centres (Scheme 24). The incorporation of ad- ditional bidentate ligands to the cell allows the synthesis of cadmium ...

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Synthesis of Ligands Containing N oxide Donor Atoms and Their Assembly into Metallosupramolecular Structures

Synthesis of Ligands Containing N oxide Donor Atoms and Their Assembly into Metallosupramolecular Structures

... incorporation of this unit within the ligand strand can change the behaviour of the ligand as it increases the flexibility of the donor units. How the ligand would behave with other metal ions is unknown. However, ...

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On the role of chalcogen donor atoms in diimine dichalcogenolate PtII SONLO chromophores : is it worth replacing sulfur with selenium?

On the role of chalcogen donor atoms in diimine dichalcogenolate PtII SONLO chromophores : is it worth replacing sulfur with selenium?

... complexes, solvation calculations were also carried out in dmso, implicitly taken into account by means of the polarizable continuum model PCM in its integral equation formalism variant [r] ...

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{2 [1 (2 Meth­­oxy 6 oxido­phenyl κO6)ethyl­­idene] N methyl­hydrazinecarbo­thio­amidato κ2N2,S}(tri­phenyl­phosphane κP)palladium(II) ethanol monosolvate

{2 [1 (2 Meth­­oxy 6 oxido­phenyl κO6)ethyl­­idene] N methyl­hydrazinecarbo­thio­amidato κ2N2,S}(tri­phenyl­phosphane κP)palladium(II) ethanol monosolvate

... three donor atoms (NOS) from a thiosemicarbazonate ligand, forming five- and six-membered chelate rings, and a P atom from a neutral triphenylphosphane ...

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Approaches to Photoactivated Cytotoxins

Approaches to Photoactivated Cytotoxins

... The acetylacetonate acac ligand was successfully used as a bidentate monoanionic ligand, which coordinates to cobaltIII through the two oxygen donor atoms to form delocalised chelate rin[r] ...

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Crystal structure of aqua[N (2 oxido­benzyl κO) L leucinato κ2N,O](1,10 phenanthroline κ2N,N′)­nickel(II) penta­hydrate

Crystal structure of aqua[N (2 oxido­benzyl κO) L leucinato κ2N,O](1,10 phenanthroline κ2N,N′)­nickel(II) penta­hydrate

... the donor atoms of the water molecules and acceptor oxygen atoms of the phenolic and the carboxylic groups and solvate water molecules, forming a three-dimensional network ...

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Aceto­nitrile{N [2 (4,7 di­methyl 1,4,7 tri­aza­cyclo­non 1 yl)­ethyl] N [(1 methyl­benzimidazol 2 yl)­methyl]­methyl­amine}nickel(II) bis­­(perchlorate) aceto­nitrile solvate

Aceto­nitrile{N [2 (4,7 di­methyl 1,4,7 tri­aza­cyclo­non 1 yl)­ethyl] N [(1 methyl­benzimidazol 2 yl)­methyl]­methyl­amine}nickel(II) bis­­(perchlorate) aceto­nitrile solvate

... The title compound, (I), was prepared to structurally characterize the pentadentate ligand, N -[2-(4,7-dimethyl-1,4,7-tri- azacyclonon-1-yl)ethyl]- N -[(1-methylbenzimidazol- 2-yl)methyl]methylamine. The nickel ion in ...

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Di­aqua­[(1R,2R) N,N′ bis­­(3,5 di­bromo­salicyl­idene)cyclo­hexa­ne 1,2 di­amine κ4O,N,N′,O′]manganese(III) perchlorate dihydrate

Di­aqua­[(1R,2R) N,N′ bis­­(3,5 di­bromo­salicyl­idene)cyclo­hexa­ne 1,2 di­amine κ4O,N,N′,O′]manganese(III) perchlorate dihydrate

... The mononuclear complex affords an elongated octahedral MnN2O4 coordination geometry with the four donor atoms of the tetradentate chiral Schiff base in the equatorial plane and with two[r] ...

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Pentadentate N2O3 Schiff Base Complexes of Rare Earth Metals

Pentadentate N2O3 Schiff Base Complexes of Rare Earth Metals

... Since we had found that transition metal complexes with the ligands derived from 2,6 – diformyl-4-substituted phenols were dinuclear, as the ligand has five potential donor atoms (two carbonyl oxygens, two ...

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L] and [RR Te L] Compounds with Macrocyclic Ligands : A Photoelectron Spectroscopic Study Shishir Malviya , Abhishek Kumar, Rajesh Kumar Kushwaha, Shekhar Srivastava

L] and [RR Te L] Compounds with Macrocyclic Ligands : A Photoelectron Spectroscopic Study Shishir Malviya , Abhishek Kumar, Rajesh Kumar Kushwaha, Shekhar Srivastava

... . Robson type tetraiminodiphenol macrocyclic ligands 37-43 have been synthesized and characterized in last few decades. The studies on complexes of Schiff base macrocyclic ligands with different size, number and ...

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Carbonyl(8 hy­droxy­quinolinato)[tris­­(2,6 di­methyl­phenyl)phosphite]rhodium(I)

Carbonyl(8 hy­droxy­quinolinato)[tris­­(2,6 di­methyl­phenyl)phosphite]rhodium(I)

... Previous work has been carried out on rhodium–phosphine complexes containing the bidentate ligand OX (OX = oxinate, 8-hydroxyquinolinate in the present study), illustrating the catalytic importance of the rhodium(I) ...

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(1S,3R,4R,4aS,8aS) 4 [(3S) 3 Hydro­xy 3 methyl 4 pentenyl] 3,4a,8,8 tetra­methyl­deca­hydro 1,3 naphthalene­diol

(1S,3R,4R,4aS,8aS) 4 [(3S) 3 Hydro­xy 3 methyl 4 pentenyl] 3,4a,8,8 tetra­methyl­deca­hydro 1,3 naphthalene­diol

... acceptor/donor atoms in a linear chain, it is not possible for each donor to be involved in a hydrogen bond; some acceptor atoms will also remain ...of donor/acceptor atoms, the ...

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Ch 23_Transition Elements and Coordination Compounds.pdf

Ch 23_Transition Elements and Coordination Compounds.pdf

... Coordination Number : The number of ligand donor atoms that surround a central metal ion..5. Ligands.[r] ...

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{4 Bromo 2 [(2 {(ethyl­sulfan­yl)[(2 oxido­benzyl­­idene κO)amino κN]methyl­­idene}hydrazinyl­­idene κN1)meth­yl]phenolato κO}(ethanol κO)dioxido­uranium(VI)

{4 Bromo 2 [(2 {(ethyl­sulfan­yl)[(2 oxido­benzyl­­idene κO)amino κN]methyl­­idene}hydrazinyl­­idene κN1)meth­yl]phenolato κO}(ethanol κO)dioxido­uranium(VI)

... The molecular structure of (I) is shown in Fig. 2. The heptacoordination around the metal atom can be described as distorted pentagonal bipyramid. The equatorial plane is occupied by the four donor atoms of ...

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(1,2 Bis{[3 (2 pyridyl)­pyrazol 1 yl]­methyl}benzene)­perchloratosodium

(1,2 Bis{[3 (2 pyridyl)­pyrazol 1 yl]­methyl}benzene)­perchloratosodium

... The coordination chemistry of the ligand L1 has been well documented for the first row transition metals; it forms tetrahedral cages and open-chain dinuclear structures (Fleming et al. , 1998; Paul et al. , 2002). ...

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Theoretical and experimental investigation of anticancer activities of an acyclic and symmetrical compartmental Schiff base ligand and its Co(ii), Cu(ii) and Zn(ii) complexes

Theoretical and experimental investigation of anticancer activities of an acyclic and symmetrical compartmental Schiff base ligand and its Co(ii), Cu(ii) and Zn(ii) complexes

... dination mode also observed in the 2. The monodentate mode of “O” is the second most common among the CSD analogues (27%, Fig. 5). In another comparison, the percentage of bridged and non-bridged structures was ...

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Ethyl 3 (2 eth­­oxy 2 oxoeth­­oxy) 6 (tri­fluoro­meth­yl)furo[3,2 c]quinoline 2 carboxyl­ate

Ethyl 3 (2 eth­­oxy 2 oxoeth­­oxy) 6 (tri­fluoro­meth­yl)furo[3,2 c]quinoline 2 carboxyl­ate

... non-hydrogen atoms (r.m.s. of all fitted atoms = ...respective atoms of the phenyl moiety and the furane moiety intersect at an angle of ...the atoms of the central heterocycle. The fluorine ...

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The first adduct of bis­(1,3 di­phenyl 1,3 propane­dionato)­oxovanadium(IV)

The first adduct of bis­(1,3 di­phenyl 1,3 propane­dionato)­oxovanadium(IV)

... The central metal atoms in many oxygen-bonded -di- ketonate complexes are coordinatively unsaturated. The completion of the coordination sphere can be achieved by bonding to another -diketone or -diketonate ...

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