-
Article
Effect of Initial CoII Salts on the Composition and Structure of Cs–CoII Dimethylmalonates
The coordination compounds of cobalt(II) {[Cs2Co(H2O)4(Me2Mal)2] · H2O}n (1) and {[Cs8Co36(H2O)34(OH)20(Me2Mal)30)] · 40H2O}n (2) (Me2Mal2– is the dimethylmalonic acid dianion) have been synthesized by varying th...
-
Article
Influence of the steric properties of pyridine ligands on the structure of complexes containing the {LnCd2(bzo)7} fragment
The reaction of Cd(NO3)2 · 4H2O and Eu(NO3)3 · 6H2O or Tb(NO3)3 · 6H2O with potassium 3,5-di-tert-butylbenzoate (Kbzo) and N-donor ligands (1,10-phenanthroline (phen), 2,4-lutidine (2,4-lut), 3,4-lutidine (3,4-lu...
-
Article
Coordination Polymers Based on Oxovanadium(IV) Butylmalonate Fragments and Potassium, Magnesium, and Cadmium Cations
The data on the synthesis and study of the crystal structure of compounds {[K2Mg2(VO)3(Bumal)6(H2O)15] · 2H2O}n (I) and {[Cd(VO)(Bumal)2(H2O)5] · H2O}n (II) are presented. According to X-ray diffraction, these co...
-
Article
Synthesis of Coordination Polymers from the Heterometallic Carboxylate Complexes with Chelating N-Donor Ligands
New trinuclear Cd–Ln molecular complexes [EuCd2(O2CC6F5)6(NO3)(Bipy)2] (I, Bipy is 2,2'-bipyridine) and [LnCd2(Bzo)6(NO3)(Phen)2] · 4MeCN (Ln = Tb (II), Eu (III), Bzo is anion of 3,5-di-tert-butylbenzoic acid, Ph...
-
Article
Polynuclear Co(II) Myrtenates with 2,4-Lutidine
The reaction of cobalt(II) chloride with potassium myrtenate (KMyr) followed by addition of 2,3-lutidine in ethanol gives the trinuclear compound [Co3(Myr)6(2,4-Lut)2] (I). The central cobalt(II) atom is linked t...
-
Article
Electrochemical Synthesis, Properties, and Structure of 1,10-Phenanthroline Adducts of Mononuclear Copper, Cobalt, and Nickel Chelates in the N,N,O-Ligand Environment
1,10-Phenanthroline (Phen) adducts [M(L)Phen] in copper(II), cobalt(II), and zinc(II) chelates based on N,N,O-tridentate tosylamino-functionalized pyrazole-containing Schiff base (H2L), resulting from condensatio...
-
Article
Unusual Bridging Coordination Modes of THF and Piv Anions in the Hexanuclear Nickel(II) Carboxylate Complex
The recrystallization of complex [Ni9(OH)6(Piv)12(HPiv)4] (Piv– is anion of trimethylacetic acid) from a THF–MeCN (6 : 1) mixture gives a new hexanuclear compound of nickel(II): [Ni6(µ3-OH)2(Piv)10(THF)4]. Its st...
-
Article
Formation of Polynuclear Cadmium Pivalates in Exchange Reactions
The exchange reaction of CdCl2 ⋅ 2H2O with KPiv affords cadmium(II) trimethyl acetate complexes (K[Cd6(Piv)12Cl] ⋅ 2MeCN (I), [K2Cd3(Piv)8(H2O)6] (II), and [Cd(Piv)2(Н2О)2] (III) as a mixture with complex II and ...
-
Article
The Insertion of Carbon Dioxide in Combination with RNCS (R Is Et, Ph) or N,N′-Dihexylcarbodiimide into the Re–O(R) Bonds
The heteromolecular insertion of carbon dioxide in combination with heterocumulenes, iso(thio)cyanates or N,N′-dicyclohexylcarbodiimide, into rhenium–alkoxy group bond was accomplished for the first time in relat...
-
Article
Effect of the Structure of Pyridine Ligands and the Substituent in the Carboxylate Anion on the Geometry of Transition Metal Complexes [M2(O2CR)4L2]
A series of binuclear tetracarboxylate-linked Mn(II), Fe(II), Co(II), Ni(II), and Cu(II) complexes with 1,2-substituted pyridine, viz., 2,3-cyclododecenopyridine (L), were prepared. Study of the crystal struct...
-
Article
Structure of a gadolinium coordination compound with acyldihydrazone of adipic acid and 3-methyl-1-phenyl-4-formylpyrazol-5-one
The structure of a gadolinium coordination compound with acyldihydrazone of adipic acid and 3-methyl-1-phenyl-4-formylpyrazol-5-one is studied by the XRD. It is determined that the compound is built as a space...
-
Article
Crystal structure and magnetic properties of a new polymer dinuclear copper(II) chelate with a schiff base based on 3-formylpyrone and 1,3-diaminopropanol-2
A polymeric dinuclear copper(II) complex with a Schiff base based on 3-formyl-4-hydroxy-6-methylpyrone and 1,3-diaminopropanol-2 is synthesized. The crystal structure of the complex is determined by single cry...
-
Article
Crystal structure of the (N,N′-bis[chromen-2,4-dione]-3-{2′-hydroxypropylenediamine-N,N′,O,O′}) (dimethylsulfoxide)copper(II) complex
The N,N′-bis[chromen-2,4-dione]-3-{2′-hydroxypropylenediamine-N,N′,O,O′}copper(II) solvate complex with dimethylsulfoxide is synthesized. The crystal and molecular structure of the complex is determined by X-r...
-
Article
Examples of cation exchange in new ionic oxovanadium(IV) complexes with anions of cyclobutane-1,1-dicarboxylic acid
The results on the synthesis and study of the crystal structures of compounds based on anionic fragments {VO(Cbdc)2}2– formed by oxovanadium(IV) (vanadyl, VO2+) and two chelate-bound anions of cyclobutane-1,1-dic...
-
Article
Switching of the exchange interaction character in the binuclear copper(II) complexes based on the hetaryl derivatives of 1,3-diaminopropanol-2
The binuclear copper(II) complex with bis-azomethine, viz., the product of condensation of 1,3-diaminopropanol-2 with 4-hydroxy-3-formylcoumarin (H3L), of the composition [Cu2L(μ2-CH3COO)] (I) is synthesized and ...
-
Article
Tetranuclear copper(II) complex with the µ4-1,6-hexadicarboxylate linker: crystal structure and magnetic properties
Tetranuclear copper(II) complex [Cu4L2(OOC(CH2)6COO)] (I) based on bis(azomethine), condensation product of 1-phenyl-3-methyl-4-formylpyrazolone-5 with 1,3-diaminopropanol-2, is synthesized. The structure of its ...
-
Article
Electrochemical synthesis and structure of 2-amino-1-ethylbenzimidazole adducts of copper, cobalt, and zinc chelates in the N,N,S ligand environment
2-Amino-1-ethylbenzimidazole (L1) adducts with copper(II), cobalt(II), and zinc(II) chelates of N,N,S tridentate tosylamino-functionalized mercaptopyrazole-containing Schiff base (H2L), resulting from condensatio...
-
Article
Electrochemical synthesis, properties, and structure of copper, nickel, and cobalt complexes of tridentate tosylamino-functionalized mercaptopyrazole Schiff base
Copper, nickel, and cobalt complexes of the N,N,S-tridentate tosylamino-functionalized mercaptopyrazole Schiff base were obtained by an electrochemical method. The structure and composition of the metal chelat...
-
Article
Disulfide derivatives of thiosemicarbazones of 4-formyl-5-thiopyrazole
The reaction of 4-formyl-5-mercaptopyrazole with thiosemicarbazides in methanol has afforded novel disulfide derivatives of thiosemicarbazones, and their structure has been studied by NMR and IR spectroscopy. ...
-
Article
Erratum to: “The formation of heterometallic molecular architectures with 3d-metal atoms linked by carboxylate bridges with alkali and alkaline-earth metal ions or with lanthanides”
