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Article
The Structure of Tetranuclear Zirconium Pivalate Zr4O2[(CH3)3CCO2]12 According to X-Ray Diffraction Analysis and Quantum Chemical Calculations
The crystal and molecular structure of a polynuclear pivalate complex obtained by the interaction of ZrCl4 with pivalic acid is determined by X-ray diffraction analysis. The compound C71H124O28Zr4 crystallizes in...
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Article
Synthesis, clarifying properties and refining structures of single-crystal magnesium borohydride di- and triammine complexes
The magnesium borohydride complexes with ammonia, Mg(BH4)2•2NH3 (MA-2) and Mg(BH4)2•3NH3 (MA-3), were obtained in a single crystal form and their structures were determined by the X-ray diffraction analysis. Acco...
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Article
Propargyl-Substituted Furazanoazepines: Synthesis, Structure, Enthalpy of Formation, Ballistic Efficiency
7-propargyl-7H-difurazano[3,4-b:3',4'-f]furoxano[3",4"-d]azepine (Az(O)Prg) and 7-propargyl-7H-trifurazano[3,4-b:3',4'-d:3",4"-f]azepine (AzPrg) are synthesized as potential dispersants of solid fuels for gas-gen...
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Article
Methyl-Substituted Derivatives of Furazanoazepines: Synthesis, Structure, Enthalpy of Formation, and Ballistic Efficiency
Energy-intensive compounds AzCH3, 7-methyl-7Н-trifurazano[3,4-b:3′,4′-f:3″,4″-d]azepine, and Az(O)CH3, 7-methyl-7Н-difurazano[ 3,4-b:3′,4′-f]furoxano[3″,4″-d]azepine, are extensively studied as potential dispersa...
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Article
Synthesis, Structure, and Properties of the Iron Nitrosyl Complex with 2-Ethyl-4-pyridinecarbothioamide
The synthesis and data on the physicochemical characteristics and biological activity of the new iron nitrosyl complex (Q+)2[Fe2(S2O3)2(NO)4]2– (I), where Q+ is protonated 2-ethyl-4-pyridinecarbothioamide (C8H11N
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Article
Synthesis, structure, and cytotoxicity of platinum(iv) complexes bearing aminoxyl and dichloroacetate ligands
New platinum(iv)-aminoxyl complexes (PACs) 2a,b, bearing an aminoxyl radical with antioxidant properties in the equatorial position and axial dichloroacetate ligands capable of inhibiting the energy production in...
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Article
Cyanomethyl-Substituted Furazanoazepines: Synthesis, Structure, Enthalpy of Formation, and Ballistic Efficiency
7-Cyanomethyl-7Н-difurazano[3,4-b:3′,4′-f]furoxano[3″,4″-d]azepine (Az(O)CH2CN) and 7-cyanomethyl-7Н-trifurazano[3,4-b:3′,4′-d:3″,4″-f]azepine (AzCH2CN) are synthesized for the first time as potential dispersants...
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Article
Binuclear iron tetranitrosyl complexes with m- and p-methoxybenzenethiolate and naphthalene-2-thiolate ligands: synthesis, structure, and properties
Three new binuclear iron tetranitrosyl complexes with m- and p-methoxybenzenethiolate and naphthalene-2-thiolate ligands were synthesized. The crystals of the new complexes were characterized by X-ray diffraction...
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Article
Allyl-Substituted Furazanoazepines, Synthesis, Structure, Enthalpy of Formation, And Ballistic Efficiency
The synthesis of new energy-intensive compounds, 7-allyl-7H-trifurazano[3,4-b:3',4'-f:3",4"-d]azepine (AzAll) and 7-allyl-7H-difurazano[3,4-b:3',4'-f]furoxano[3",4"-d]azepine (Az(O)All) is described for the first...
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Article
Monoclinic Modification of Trimolecular Cocrystallizate of the High-Energy Polynitramine CL-20 with H2O2 and H2O: Synthesis and Structure
A solid trimolecular complex (TMC II) formed by molecules of 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazaisowurtzitane (CL-20), H2O2, and H2O in a molar ratio of 2 : 0.8 : 0.2 and its crystal structure is studie...
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Article
Synthesis and study of interconversions of new indoline spiropyrans based on 4-hydroxy-3,5-diformylbenzoic acid
The synthesis of new indoline spiropyran by the cyclocondensation in methanol revealed that the free aldehyde group of the target spiropyran is easily converted into the dimethyl acetal moiety without the addi...
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Article
Rare-Earth Metal (Pr(III), Тb(III), Ho(III), and Er(III)) Complexes with 2-Mercaptopyridine-N-oxide: Synthesis, Structures, and Properties
Four compounds are synthesized by the reactions of rare-earth metal(III) nitrates with 2-mercaptopyridine-N-oxide (HSC5H4NO) in water-alkaline solutions: [Pr2(SC5H4NO)6(H2O)2] (I), [Tb2-(SC5H4NO)6(H2O)2] (II), [H...
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Article
Unsymmetrical Structure of the Co(III) Complex with Bisheteroarylhydrazone as Hydrazone and Quinolone Tautomers Stabilized by Hydrogen Bond
Bisheteroarylhydrazone (H2L), the product of 2-hydrazinoquinoline condensation with diacetyl, and mononuclear Co(III) complex [Co(HL)2]Br·2DMSO (I) based on this ligand were synthesized. The structure of the chel...
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Article
Shock-Wave Loading and Spall Fracture of Textured Tungsten Samples: Experiment and Simulation
The microstructural characteristics of original textured tungsten samples are certified. The free surface velocities of the samples were measured in shock-wave experiments. The dynamic yield strength and spall...
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Article
Physicochemical Transformations of Boron Carbide at High Temperatures and High Pressures of Shock Compression
Experiments were carried out on multiple shock wave compression and subsequent storage of powdered samples of boron carbide. The samples were subjected to the stepwise shock compression. Steel-tungsten capsule...
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Article
Cocrystallyzate of α-CL-20 with Water and Hydrogen Peroxide as a Potential Component of Solid Composite Propellants
For the first time, a trimolecular cocrystallizate (I) 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazaisowurtzitane (CL-20) with hydrogen peroxide and water molecules has been synthesized, and its crystals are obta...
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Article
Synthesis and Molecular Structure of 3-[N-Acetyl(3,5-dimethylphenyl)amino]-5,7-di(tert-butyl)-2-{5,8-dimethyl-4-[(3,5-dimethylphenyl)amino]quinolin-2-yl}tropone
Acylation of 5,7-di(tert-butyl)-2-{5,8-dimethyl-4-[(3,5-dimethylphenyl)amino]quinolin-2-yl}-3-[(3,5-dimethylphenyl)amino]tropone leads to 3-[aryl(acetyl)amino]tropone. The structure of 3-[N-acetyl(3,5-dimethylphe...
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Article
Structural Data and Luminescence Properties of Cu2 – xMnSnS4 (0 < x ≤ 0.10) Copper-Deficient Solid Solutions Based on the Cu2MnSnS4 Quaternary Compound
This paper presents the first structural data for Cu2 – xMnSnS4 (0 < x ≤ 0.10) copper-deficient solid solutions based on the Cu2MnSnS4 quaternary compound. It has been shown for the first time that the band peaki...
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Article
New complexes of metformin based on the copolymer of N-vinylpyrrolidone with triethylene glycol dimethacrylate and their activity in experimental type 2 diabetes mellitus
The complexes of metformin (MET) and the copolymer of N-vinylpyrrolidone with triethylene glycol dimethacrylate with absolute molecular weight ca. 26 kDa and hydrodynamic radius of macromolecules about 4 nm have ...
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Article
Phase Transformations 2,4,6-Tris(2,2,2-Trinitroethylnitramino)-1,3,5-Triazine
Thermal transformations of 2,4,6-tris(2,2,2-trinitroethylnitramino)-1,3,5-triazine (I) are studied in the temperature range 22–300°C with the use of methods of differential thermal analysis, powder X-ray diffract...
