Russian Journal of Inorganic Chemistry最新文献

{"title":"Microwave Synthesis of Derivatives of [B10H10]2– and [B12H12]2– Anions with Crown Ethers","authors":"E. Yu. Matveev,&nbsp;S. S. Novikov,&nbsp;V. Ya. Levitskaya,&nbsp;E. A. Eshtukova-Shcheglova,&nbsp;I. E. Sokolov,&nbsp;A. E. Gerusova,&nbsp;A. S. Kubasov,&nbsp;V. V. Avdeeva,&nbsp;K. Yu. Zhizhin,&nbsp;N. T. Kuznetsov","doi":"10.1134/S0036023626600565","DOIUrl":"10.1134/S0036023626600565","url":null,"abstract":"<p>A novel method has been developed for the synthesis of mono-substituted derivatives of the <i>closo</i>-decaborate and <i>closo</i>-dodecaborate anions bearing macrocyclic oxonium-type substituents. This method involves the reaction between the [B₁₀H₁₁]^– and [B₁₂H₁₂]^2– anions with crown ether molecules (12-crown-4, 15-crown-5, and 18-crown-6) under microwave-assisted synthesis conditions (2.45 GHz, 700 W). These processes proceed via the EINS mechanism. H⁺ (as part of [B₁₀H₁₁]^–) was used as the electrophilic inducer for derivatizing the [B₁₀H₁₀]^2– anion, while BF₃·Et₂O was employed for derivatizing the [B₁₂H₁₂]^2– anion. The developed approach utilizing microwave synthesis enables the preparation of substituted <i>closo</i>-borates without the use of a solvent, which is highly relevant for such processes. Furthermore, it significantly reduces reaction times (by a factor of 3–8) compared to previously known methods, while maintaining high yields (81–92%). The proposed method exhibits regioselectivity (in the case of the [B₁₀H₁₀]^2– anion, the derivative with the substituent in the equatorial position is formed). The obtained derivatives of [B₁₀H₁₀]^2– and [B₁₂H₁₂]^2– anions were characterized by elemental analysis, IR, ¹¹B, ¹³C, ¹H NMR spectroscopies, and ESI mass spectrometry. The synthesized <i>closo</i>-borates continue the series of derivatives of the [B₁₀H₁₀]^2– and [B₁₂H₁₂]^2– anions with oxonium-type substituents, expanding the possibilities of the employed functionalization method.</p>","PeriodicalId":762,"journal":{"name":"Russian Journal of Inorganic Chemistry","volume":"71 4","pages":"504 - 514"},"PeriodicalIF":1.5,"publicationDate":"2026-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148154234","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Synthesis and Physicochemical Study of Heteroligand Cobalt(II) Complexes based on Fluorinated β-Diketonates and N,N,N',N'-tetramethylethylenediamine","authors":"S. I. Dorovskikh,&nbsp;V. A. Yatygin,&nbsp;A. S. Sukhikh,&nbsp;D. P. Pischur,&nbsp;E. S. Vikulova","doi":"10.1134/S0036023626601029","DOIUrl":"10.1134/S0036023626601029","url":null,"abstract":"<p>To expand the library of volatile cobalt(II) compounds, three new complexes Co(tmeda)(L)₂ (tmeda = N,N,N',N'-tetramethylethylenediamine, L = pfpac (5,5,6,6,6-pentafluorohexane-2,4-dionato), hfbac (5,5,6,6,7,7,7-heptafluoroheptane-2,4-dionato), ofhac (3H,3H-octafluorohexane-2,4-dionato)) were synthesized and characterized. The crystal structures of the complexes with L = hfbac and ofhac were determined by a single-crystal X-ray diffraction (CCDC Nos. 2529755 and 2529754, respectively). For all compounds the melting temperatures and thermodynamic parameters were determined. A characteristic feature of the complex with L = pfpac is its retarded crystallization and glass-forming ability. Comparison with analogs revealed a nonlinear change in the thermal properties (volatility and melting point) of the Co(tmeda)(L)₂ complexes upon growth of the perfluoroalkyl chain in the β-diketonate ligand L.</p>","PeriodicalId":762,"journal":{"name":"Russian Journal of Inorganic Chemistry","volume":"71 6","pages":"705 - 717"},"PeriodicalIF":1.5,"publicationDate":"2026-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148614988","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Structural and Functional Features of Cobalt-Doped Manganese Oxides Prepared by the Sol–Gel Method","authors":"E. V. Saenko","doi":"10.1134/S0036023626600267","DOIUrl":"10.1134/S0036023626600267","url":null,"abstract":"<p>This study investigates the structure and phase transformations of manganese oxides synthesized by the sol–gel process in the Mn–O–(Co) system in the presence of Sr²⁺ ions and subjected to thermal modification and acid protonation. The goal of the study was to establish the relationship between the phase composition, textural characteristics, and reduction properties of Sr-containing manganese oxides. The study was performed using X-ray diffraction, Raman spectroscopy, low-temperature nitrogen adsorption, and hydrogen temperature-programmed reduction. It was shown that heat treatment at 150°C stabilizes a metastable layered vernadite/birnessite-like framework, whereas heating to 360°C leads to the formation of tunnel and spinel MnO₂ phases. Acid protonation is accompanied by leaching of Sr²⁺ ions and an increase in the specific surface area up to ∼270 m²/g. It was established that cobalt doping (5 mol % relative to Mn), in combination with high-temperature treatment and subsequent protonation, decreases the reduction temperature and increases the fraction of easily reducible oxygen species. The obtained results are of interest for the development of oxide materials with enhanced redox activity.</p>","PeriodicalId":762,"journal":{"name":"Russian Journal of Inorganic Chemistry","volume":"71 3","pages":"303 - 313"},"PeriodicalIF":1.5,"publicationDate":"2026-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148009735","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Electronic Structure and Spin Transport in Chiral Tellurium Nanowires: Simulations using Relativistic Cylindrical Wave Method","authors":"E. P. Dyachkov,&nbsp;P. N. Dyachkov","doi":"10.1134/S0036023625604519","DOIUrl":"10.1134/S0036023625604519","url":null,"abstract":"<p>The electron and spin states, as well as the transport properties, of chains Те₃, Те₄, Те₅, and Те₆ monoatomic chains with three- and fourfold helical symmetry were calculated using the relativistic symmetrized linearized augmented cylindrical wave method. Qualitative estimates of the spin conductivity and electron transport selectivity were obtained under the assumption that spin and charge transfer predominantly involve electrons in boundary spin states located at the edges of the valence and conduction bands, as well as that the probability of electron tunneling is higher for parallel orientations of the spin and chirality vectors of the material compared to antiparallel orientations. The spin-dependent band structures of the compounds indicate that Te₃ chains are more suitable for generating spin currents and for spintronic applications than Te₄ chains. By selecting Te₄ chains of differing chirality, it is possible to ensure the transport of electrons with opposite spins in opposite directions, which can be used, for example, in the design of spin filters.</p>","PeriodicalId":762,"journal":{"name":"Russian Journal of Inorganic Chemistry","volume":"71 3","pages":"362 - 370"},"PeriodicalIF":1.5,"publicationDate":"2026-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148009622","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Chemical and Phase Composition, and Optical Properties of Zirconium-Titanium Oxide Coatings Synthesized by Atomic Layer Deposition","authors":"M. S. Lebedev,&nbsp;I. P. Asanov,&nbsp;I. V. Korolkov","doi":"10.1134/S0036023626600280","DOIUrl":"10.1134/S0036023626600280","url":null,"abstract":"<p>Films of the Zr_1–<i>x</i>Ti_<i>x</i>O₂ system (0 ≤ <i>x</i> ≤ 1) with a thickness of 35–50 nm were synthesized by atomic layer deposition at 250°C using a novel precursor combination: tetrakis(ethylmethylamido)zirconium(IV) (TEMAZ) and titanium(IV) tetrachloride (TiCl₄) with water vapor. It was shown that the growth of mixed oxides is characterized by a noticeable (30–40%) decrease in the average growth per cycle by compared to the rule of mixtures. Chemisorption reactions of both TEMAZ and TiCl₄ molecules are inhibited. The chemical composition of the films depends linearly on the cycle ratio in the supercycle. SEM and X-ray powder diffraction revealed a dependence of crystallinity and morphology on the composition. Using high-surface-area substrates (arrays of oriented SiO_2–<i>x</i> microropes), the formation of a tetragonal phase in ZrO₂ films was reliably identified. A sharp increase in the refractive index from <span>({{n}_{{{text{Zr}}{{{text{O}}}_{2}}}}})</span> = 2.09 to <i>n</i>_ZTO = 2.20 was observed with minimal doping of ZrO₂ with titanium (~2–3 at %). The results may be useful in the development of materials with specified optical properties.</p>","PeriodicalId":762,"journal":{"name":"Russian Journal of Inorganic Chemistry","volume":"71 3","pages":"409 - 422"},"PeriodicalIF":1.5,"publicationDate":"2026-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148009814","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Gas-Sensing Materials Based on α-MnO2 and δ-MnO2 for H2S Detection","authors":"G. S. Zakharova,&nbsp;A. V. Marikutsa,&nbsp;Z. A. Fattakhova","doi":"10.1134/S0036023625604271","DOIUrl":"10.1134/S0036023625604271","url":null,"abstract":"<p>Layered δ-MnO₂ has been synthesized for the first time using a redox precipitation reaction in the presence of ascorbic acid. A possible mechanism for its formation has been proposed. Subsequent annealing of δ-MnO₂ in air at 500°C leads to the formation of α-MnO₂ with characteristic tunnel structure. The main physicochemical characteristics of the synthesized manganese dioxides have been determined using X-ray powder diffraction and thermogravimetric analysis combined with mass spectroscopy, IR and Raman spectroscopy, high-resolution scanning electron microscopy, and low-temperature nitrogen adsorption. α-MnO₂ sensing properties for various toxic gases have been studied. It has been shown that the sensor based on synthesized oxides can detect H₂S at concentration of 10 ppm with a sensitivity of 35–40%. It has been established that the obtained manganese dioxides have selective sensitivity to 0.2–10 ppm H₂S at 200°C.</p>","PeriodicalId":762,"journal":{"name":"Russian Journal of Inorganic Chemistry","volume":"71 3","pages":"314 - 323"},"PeriodicalIF":1.5,"publicationDate":"2026-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148009736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Features of the Reaction between the Tetranitrosyl Iron Complex with Cysteamine and Phosphoenolpyruvic Acid","authors":"E. A. Saratovskikh,&nbsp;N. S. Ovanesyan,&nbsp;A. A. Kulikova,&nbsp;M. A. Blagov,&nbsp;E. N. Kabachkov,&nbsp;A. N. Utenyshev,&nbsp;K. V. Bozhenko,&nbsp;B. L. Psikha,&nbsp;N. A. Sanina","doi":"10.1134/S0036023626600279","DOIUrl":"10.1134/S0036023626600279","url":null,"abstract":"<p>The reaction between the biological high-energy compound phosphoenolpyruvic acid and a potential antitumor drug—a nitrosyl iron complex with cysteamine ligands, an NO donor—was studied. The structure of this reaction product, as well as the spin state and oxidation state of the iron atom within it, were determined using a wide range of physicochemical methods: elemental analysis, UV, IR, and Mössbauer spectroscopy, mass spectrometry, and quantum chemical calculations.</p>","PeriodicalId":762,"journal":{"name":"Russian Journal of Inorganic Chemistry","volume":"71 3","pages":"293 - 302"},"PeriodicalIF":1.5,"publicationDate":"2026-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148009734","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Thermodynamic Modeling of Phase Formation in the Co–Si–C–H System","authors":"V. A. Shestakov,&nbsp;M. L. Kosinova","doi":"10.1134/S0036023626600292","DOIUrl":"10.1134/S0036023626600292","url":null,"abstract":"<p>Thermodynamic modeling of the film synthesis process from the gas phase in the Co–Si–C–H system was performed during the decomposition of cobaltocene in a mixture with silane and hydrogen to plot chemical vapor deposition (CVD) diagrams. It was assumed that the process occurs in a quasi-equilibrium regime and that the film and gas phase composition in the reactor correspond to the minimum Gibbs energy in the system. It was shown that various phase complexes containing silicon carbide and cobalt silicides can be obtained in the studied system. Depending on the CVD process parameters (reactor temperature, composition of the initial gas mixture), the following complexes can be obtained: CoSi + SiC, CoSi + SiC + C, CoSi₂ + CoSi + SiC, and CoSi₂ + SiC + Si. The calculation results can be used to develop a gas-phase process for the formation of coatings consisting of these phases.</p>","PeriodicalId":762,"journal":{"name":"Russian Journal of Inorganic Chemistry","volume":"71 3","pages":"371 - 374"},"PeriodicalIF":1.5,"publicationDate":"2026-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148009618","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Sorption Composite Materials Based on Tungsten Oxide for the Extraction of Radioactive Strontium from Aqueous Media","authors":"V. A. Balybina,&nbsp;Zh. S. Kuular,&nbsp;N. Yu. Savelieva,&nbsp;N. G. Kokorina,&nbsp;A. N. Dran’kov,&nbsp;A. O. Lembikov,&nbsp;V. V. Provatorova,&nbsp;E. K. Papynov","doi":"10.1134/S0036023626600152","DOIUrl":"10.1134/S0036023626600152","url":null,"abstract":"<p>The work synthesized and studied composite sorption materials based on tungsten oxide within a high-pressure polyethylene matrix for the extraction of radioactive strontium (⁹⁰Sr) from aqueous media. The influence of heat treatment (100–900°C) on the phase composition, structure, and sorption properties was investigated. It was established that composites calcined at 100 and 300°C, which retain a mixture of cubic H_<i>x</i>WO₃ and tetragonal WO₃ phases, exhibit maximum efficiency: the Sr extraction degree reaches 90%, and distribution coefficient <i>K</i>_d is 9 × 10³ mL/g. The high sorption capacity is due to the developed mesoporous structure and the accessibility of active ion-exchange centers. The introduction of polyethylene significantly enhances the hydromechanical strength of the materials, ensuring their stability under dynamic conditions. The results demonstrate the promise of the developed composites for application in technologies for treating liquid radioactive waste.</p>","PeriodicalId":762,"journal":{"name":"Russian Journal of Inorganic Chemistry","volume":"71 3","pages":"324 - 335"},"PeriodicalIF":1.5,"publicationDate":"2026-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148009815","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Phase Equilibrium in the LiF–NaBr–Na3FSO4 System","authors":"N. N. Verdiev,&nbsp;M. M. Magomedov,&nbsp;A. V. Burchakov,&nbsp;L. S. Muradova,&nbsp;I. M. Kondratyuk,&nbsp;Z. N. Verdieva","doi":"10.1134/S0036023625604507","DOIUrl":"10.1134/S0036023625604507","url":null,"abstract":"<p>The stable sectional section of LiF–NaBr–Na₃FSO₄ of the four-component mutual system Li⁺, Na⁺||F^–, Br^–, <span>({text{SO}}_{4}^{{2 - }})</span> has been studied using the methods of physical and chemical analysis: differential thermal analysis (DTA), differential scanning calorimetry (DSC), and thermogravimetry (TG). The characteristics of the eutectic composition containing 22% LiF, 26% NaBr, and 52% Na₃FSO₄ in equivalent percentages have been determined. The equivalence factor of the compound is taken as 1/3. The melting point is 559.0 ± 1.5°C, and the specific enthalpy of melting is 317.40 ± 9.52 J/g. The experimental data obtained in the work, as well as information on two-component systems studied earlier, served as the basis for constructing a three-dimensional model of the LiF–NaBr–Na₃FSO₄ system. It is used for theoretical construction: isothermal sections in the temperature range of 570, 600, 650, and 700°C; the liquidus surface of the system with isotherms; and the material balance diagram of the equilibrium coexisting phases of any arbitrarily selected composition of the system. In the present article, the equilibrium coexisting phases were calculated for a mixture of 33% LiF + 33% NaBr + 34% Na₃FSO₄ in the temperature range of 400–700°С.</p>","PeriodicalId":762,"journal":{"name":"Russian Journal of Inorganic Chemistry","volume":"71 3","pages":"375 - 382"},"PeriodicalIF":1.5,"publicationDate":"2026-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148009620","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}