Russian Journal of Coordination Chemistry最新文献

{"title":"Synthesis and Crystal Structure of Lithium(I) and Potassium(I) Complexes with Cucurbit[6]uril","authors":"I. V. Andrienko,&nbsp;D. G. Samsonenko,&nbsp;E. A. Kovalenko","doi":"10.1134/S1070328426600786","DOIUrl":"10.1134/S1070328426600786","url":null,"abstract":"<p>Complexes of potassium and lithium with cucurbit[6]uril (CB[6]) of composition [K₂(H₂O)₅(CB[6])](H₂btc)₂·2H₂O (<b>I</b>) and [Li₃(H₂O)₂(CB[6])](H₂btc)₂(NO₃)·2H₃btc·5.5H₂O (<b>II</b>) obtained by heating (100°C) an aqueous solution of mixtures of potassium hydroxide or lithium nitrate, cucurbit[6]uril and trimesic acid (H₃btc). According to X-ray diffraction data, the crystal contains cationic polymer chains [K₂(H₂O)₅(CB[6])]²⁺ in the compound <b>I</b> and [Li₃(H₂O)₂(CB[6])]³⁺ in compound <b>II</b> they are arranged in alternating layers. In the space between the layers there are guest water molecules, H₃btc (in <b>II</b>) and H₂btc^– anions, participating in the formation of a branched network of hydrogen bonds involving coordinated and uncoordinated water molecules, carboxyl and carboxylate groups of H₃btc molecules and H₂btc⁻ anions, as well as carbonyl groups of the portals of cucurbit[6]uril molecules. The obtained compounds were characterized by IR spectra and elemental analysis data.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"52 7","pages":""},"PeriodicalIF":1.1,"publicationDate":"2026-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149132950","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":"Effect of Halogen Substituents in Benzoate Anions on the Structure of Cd and Zn Compounds with 1,10-Phenanthroline","authors":"M. A. Shmelev,&nbsp;A. S. Chistyakov,&nbsp;G. A. Razgonyaeva,&nbsp;A. A. Levina,&nbsp;A. V. Rogachev,&nbsp;I. V. Taydakov,&nbsp;A. A. Sidorov,&nbsp;I. L. Eremenko","doi":"10.1134/S1070328426600671","DOIUrl":"10.1134/S1070328426600671","url":null,"abstract":"<p>As part of a study of the influence of non-covalent interactions involving halogen atoms on the structure of coordination compounds of cadmium and zinc with 1,10-phenanthroline (phen) and anions of halogenated benzoic acids, a series of compounds with anions of 2,4-dichlorobenzoic (Cl₂bz) [Cd₃(phen)₂(Cl₂bz)₆] (<b>I</b>), 4-bromobenzoic (4-Brbz) [Cd₂(phen)₂(4-Brbz)₄] (<b>II</b>), [Zn(phen)(4-Brbz)₂]·MeOH (<b>III</b>), 2,5-dibromobenzoic acid (2,5-Br₂bz) [Cd₄(phen)₄(2,5-Br₂bz)₈] (<b>IV</b>), 2[Cd₂(phen)₂(2,5-Br₂bz)₄]·C₆H₆ (<b>V</b>), 3,5-dibromobenzoic (3,5-Br₂bz) [Cd₂(phen)₂(3,5-Br₂bz)₄] (<b>VI</b>), 2,4,6-tribromo-3-hydroxybenzoic (OHBr₃bz) [Cd₂(MeOH)₂(phen)₂(OHBr₃bz)₂(OBr₃bz)] (<b>VII</b>), [Zn(phen)₃]·2(OHBr₃bz)·2(H₂O) (<b>VIII</b>), 2,3,4,5-tetrabromobenzoic (Br₄bz) [Cd(phen)(Br₄bz)₂]_<i>n</i> (<b>IX</b>), 2,3,5-triiodobenzoic (I₃bz) [Cd₂(phen)₂(I₃bz)₄]·DMF (<b>X</b>), [Zn(H₂O)(phen)₂(I₃bz)](I₃bz)·2(H₂O)^.MeCN (<b>XI</b>) and 4-bromo-2,3,5,6-tetrafluorobenzoic (BrF₄bz) [Cd(phen)(BrF₄bz)₂]_<i>n</i> (<b>XII</b>), [Zn(phen)(BrF₄bz)₂]_<i>n</i> (<b>XIII</b>) acids. The synthesized compounds exhibit significant structural diversity: mononuclear, binuclear, trinuclear, as well as unique tetranuclear complex <b>IV</b>, which has no structural analogues, and zinc coordination polymer <b>XIII</b> were obtained. It has been shown that an increase in the number of halogen substituents and the transition from chlorine to bromine and iodine leads to an increase in the role of non-covalent interactions involving halogen atoms in the formation of molecular and crystalline structures.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"52 7","pages":""},"PeriodicalIF":1.1,"publicationDate":"2026-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149132951","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":"Hydrogen Bonding Driven Supramolecular Assembly and Photoluminescent Properties of a Silver(I) Coordination Complex","authors":"Vengadeshwaran Palanichamy","doi":"10.1134/S1070328426600725","DOIUrl":"10.1134/S1070328426600725","url":null,"abstract":"<p>A new mononuclear silver(I) complex containing a benzimidazole based nitrogen donor ligand was synthesized and characterized by spectroscopic, analytical, and crystallographic techniques. Single crystal X-ray diffraction analysis revealed a nearly linear AgN₂ coordination environment around the silver(I) center, while the trifluoromethanesulfonate (<span>({text{C}}{{text{F}}_{text{3}}}{text{SO}}_{text{3}}^ - )</span>) anion remained non-coordinating. The crystal packing is governed by intermolecular N–H···O hydrogen-bonding interactions between the benzimidazole NH groups and the triflate oxygen atoms, together with weak C–H···N contacts, leading to the formation of a stabilized supramolecular assembly in the solid state. FE-SEM and HR-TEM analyses revealed aggregated nanocrystalline domains with irregular morphology, while EDX spectroscopy confirmed the presence of Ag, C, N, O, F, and S elements consistent with the proposed composition. The molecular structure was further supported by ¹H NMR, ¹⁹F NMR, and high-resolution ESI mass spectrometry and photophysical investigations showed intense ligand-centered absorption in the UV region and blue emission in solution, whereas a broad near-infrared emission band was observed in the solid state. The pronounced red shift in the solid-state emission is attributed to aggregation-induced excited-state stabilization and intermolecular interactions within the crystal lattice. These results underscore the significant influence of supramolecular organization on the structural features and photophysical behaviour of the silver(I) coordination complex.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"52 7","pages":""},"PeriodicalIF":1.1,"publicationDate":"2026-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149133092","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 Structures of Hydroxylamine Derivatives: Potassium N-Hydroxycarbamate and Hydroxylammonium N-Hydroxycarbamate Hydroxylaminosolvate","authors":"M. A. Navasardyan","doi":"10.1134/S1070328426600518","DOIUrl":"10.1134/S1070328426600518","url":null,"abstract":"<p>Two new <i>N</i>-hydroxycarbamate derivatives have been synthesized and structurally characterized (single-crystal XRD, 100 K) for the first time: hydroxylammonium <i>N-</i>hydroxycarbamate hydroxylaminosolvate NH₃OH⁺[HO–N(H)–C(O)–O]^–·NH₃O (<b>I</b>) and potassium <i>N</i>-hydroxycarbamate coordination polymer [HO–N(H)–C(O)–O]^–K⁺ (<b>II</b>). The compounds are synthesized under mild conditions due to atmospheric CO₂ fixation by a solution of free hydroxylamine in <i>tert-</i>butyl alcohol. The anion, NH₃OH⁺ cation, and NH₃O zwitterion in the structure of compound <b>I</b> form a dense three-dimensional network of hydrogen bonds including an exclusively short O···O contact (2.4477(18) Å). Compound <b>II</b> is a three-dimensional coordination polymer in which the potassium ion has a coordination number of 8 and coordinates not only oxygen atoms but also the amide nitrogen atom (K–N = 2.838(3) Å). The data obtained substantially extend the undeveloped crystal chemistry of the class of <i>N</i>-hydroxycarbamates.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"52 7","pages":""},"PeriodicalIF":1.1,"publicationDate":"2026-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149034986","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":"Heptacoordinate Cobalt(II) Complexes with 2,6-Diacetylpyridine Bis(benzimidazolyl)hydrazone: Synthesis, Structures, and Magnetic Properties","authors":"A. S. Andreeva,&nbsp;Yu. P. Tupolova,&nbsp;L. D. Popov,&nbsp;S. A. Borodkin,&nbsp;V. A. Chetverikova,&nbsp;N. N. Efimov,&nbsp;P. N. Vasil’ev,&nbsp;V. A. Lazarenko,&nbsp;A. A. Pavlov,&nbsp;I. N. Shcherbakov","doi":"10.1134/S1070328426600464","DOIUrl":"10.1134/S1070328426600464","url":null,"abstract":"<p>The reactions of bis(hetaryl)hydrazone (Н₂L) (condensation product of 2,6-diacetylpyridine and 2-hydrazinobenzimidazole) with cobalt(II) chloride and bromide afford complexes [Co(Н₂L)(H₂O)Cl]Cl (<b>I</b>) and [Co(Н₂L)(H₂O)Br]Br (<b>II</b>), where Н₂L is the pentadentate ligand in the neutral form. The coordination polyhedron of the complexes corresponds to a distorted pentagonal bipyramid. The structures and properties of the compounds are studied by IR spectroscopy, ¹H NMR spectroscopy, and magnetometry. The structure of complex <b>I</b> is determined by X-ray diffraction (XRD) (CIF file CСDC no. 2240176). The quantum-chemical simulation of the magnetic properties of compounds <b>I</b> and <b>II</b> is performed in the framework of the CASSCF/NEVPT2 method. The easy magnetization plane with a positive axial magnetic anisotropy parameter (<i>D</i>) takes place in the complexes. The experimental values of <i>D</i> obtained by the approximation of the magnetometry data (<i>D</i>_exp = 39.5 (for <b>I</b>) and 29.2 (for <b>II</b>) cm^–1) are consistent with the calculated values (<i>D</i>_calc = 30.7 (for <b>I</b>) and 28.1 (for <b>II</b>) cm^–1).</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"52 7","pages":""},"PeriodicalIF":1.1,"publicationDate":"2026-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149034890","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":"Luminescent Cu(I) Complexes Based on Natural Tobacco Alkaloids","authors":"M. P. Davydova,&nbsp;O. A. Nurkenov,&nbsp;I. Yu. Bagryanskaya,&nbsp;M. A. Trusova,&nbsp;N. O. Vozmitel,&nbsp;M. I. Rakhmanova,&nbsp;Zh. S. Nurmaganbetov,&nbsp;S. Zh. Akhmetkaliev,&nbsp;A. V. Artem’ev","doi":"10.1134/S1070328426600452","DOIUrl":"10.1134/S1070328426600452","url":null,"abstract":"<p>Chiral Cu(I) complexes, [Cu₂I₂(anabasine)₂(PPh₃)₂] (<b>I</b>), [Cu₂I₂(nicotine)₂(PPh₃)₂] (<b>II</b>), and [CuCl(anabasine)(PPh₃)] (<b>III</b>), were synthesized using tobacco alkaloids: (−)-anabasine and (−)-nicotine. The structures of these compounds were determined by X-ray diffraction analysis. Complexes <b>I</b> and <b>III</b> are the first structurally characterized coordination compounds based on anabasine. Complexes <b>I</b> and <b>II</b> exhibit intense blue-cyan photoluminescence at room temperature with emission maxima at 485 and 480 nm, a lifetime of 16 μs, and a quantum yield of up to 31%. The results demonstrate the potential of natural alkaloids for the design of photoactive chiral Cu(I) complexes.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"52 7","pages":""},"PeriodicalIF":1.1,"publicationDate":"2026-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148950506","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":"Specific Features of Reactions of Anisoletricarbonylchromium(0) and Dimethoxyresorcinoltricarbonylchromium(0) with Acridine, Quinazoline, and Quinoxaline","authors":"A. I. Nemytov,&nbsp;E. D. Kazakova,&nbsp;M. A. Kiskin,&nbsp;I. A. Utepova,&nbsp;O. N. Chupakhin","doi":"10.1134/S1070328426600439","DOIUrl":"10.1134/S1070328426600439","url":null,"abstract":"<p>The results on the reactions of Cr(CO)₃-activated anisole and dimethoxyresorcinol with acridine, quinazoline, and quinoxaline are presented. The earlier unknown π complexes are characterized by elemental analysis, ¹Н and ¹³С NMR spectroscopy, and mass spectrometry. The molecular structure of the <b><i>rac-</i></b><b>Va</b> complex is determined by X-ray diffraction (XRD) (CIF file CCDC no. 2550537). The outstanding regioselectivity is found for the reaction with lithium anisoletricarbonylchromium.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"52 7","pages":""},"PeriodicalIF":1.1,"publicationDate":"2026-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148950505","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":"Conditions for the Formation of Binuclear Copper(II) Complexes with Bridging Hydroxo Groups in the Presence of the closo-Dodecaborate Anion","authors":"E. A. Malinina,&nbsp;A. S. Kubasov,&nbsp;O. S. Erofeeva,&nbsp;N. A. Ivanova,&nbsp;S. E. Nikiforova,&nbsp;N. T. Kuznetsov","doi":"10.1134/S1070328426600427","DOIUrl":"10.1134/S1070328426600427","url":null,"abstract":"<p>Approaches are proposed for the synthesis of binuclear cationic copper(II) complexes [<span>({text{Cu}}_2^{{text{II}}})</span>(BPA)₂(μ-OH)₂]²⁺ (BPA is 2,2'-bipyridylamine) (<b>I</b>) and [<span>({text{Cu}}_2^{{text{II}}})</span>(Bipy)₂(μ-OH)₂(DMF)₂]²⁺ (Bipy is 2,2'- bipyridyl) (<b>III</b>) stabilized by the <i>closo</i>-dodecaborate anion [B₁₂H₁₂]^2–. The approaches are based on the use of precursor complexes {Ph₄P[Cu^I[B₁₂H₁₂]}_<i>m</i> (Ph₄P is tetraphenylphosphonium) in the case of BPA and {Et₄N[Ag[B₁₂H₁₂]}_<i>m</i> (Et₄N is tetraethylammonium) and [Cu^II₂(Bipy)₄(μ-CO₃)]Cl₂ in the case of Bipy as the starting reagents. The synthesis in the {Ph₄P[Cu^I[B₁₂H₁₂]}_<i>m</i>–BPA system was accompanied by the formation of a by-product, {[Cu(BPA)₂][B₁₂H₁₂]}_<i>m</i> (<b>II</b>), of known structure. The products were characterized by elemental analysis and IR spectroscopy. The structures of [<span>({text{Cu}}_2^{{text{II}}})</span>(BPA)₂(μ-OH)₂][B₁₂H₁₂]·2DMF (<b>I</b>·2DMF) and [<span>({text{Cu}}_2^{{text{II}}})</span>(Bipy)₂(μ-OH)₂(DMF)₂][B₁₂H₁₂]·2DMF (<b>III</b>·2DMF) were determined by X-ray diffraction analysis.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"52 6","pages":""},"PeriodicalIF":1.1,"publicationDate":"2026-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148927152","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":"NMR Study of Solutions of Paramagnetic Lanthanide Complexes with Schiff Bases","authors":"O. A. Turanova,&nbsp;A. N. Turanov","doi":"10.1134/S1070328426600476","DOIUrl":"10.1134/S1070328426600476","url":null,"abstract":"<p>The ¹H NMR spectra of CDCl₃ solutions of a broad series of lanthanide complexes with the general formula Ln(L)₃(NO₃)₃ (where L = 4-(dodecyloxy)-<i>N</i>-octadecyl-2-hydroxybenzaldimine; Ln = La, Nd, Eu, Gd, Tb, Dy, Ho, Er, and Yb) at a concentration of ∼10^–3 mol/L at <i>Т</i> = 300 K are detected and analyzed using Bleaney’s theory. The whole series of the compounds in a solution is proved to be isostructural, and the crystal field parameters are estimated.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"52 6","pages":""},"PeriodicalIF":1.1,"publicationDate":"2026-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148927153","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":"1D Coordination Polymer of Mg2+ with Kojic Acid: Synthesis, Structure, and Thermal Behavior","authors":"S. V. Kozin,&nbsp;N. A. Aksenov,&nbsp;A. A. Kravtsov,&nbsp;O. M. Lyasota,&nbsp;E. O. Gerasimenko,&nbsp;A. V. Bespalov,&nbsp;L. I. Ivashchenko,&nbsp;V. V. Dotsenko","doi":"10.1134/S1070328426600105","DOIUrl":"10.1134/S1070328426600105","url":null,"abstract":"<p>Coordination compound [Mg(HKoj^–)₂]_<i>n</i> is synthesized by the reaction of kojic acid (H₂Koj) with magnesium acetate in an aqueous solution. The empirical formula of the synthesized compound is determined from the elemental and thermogravimetric analyses data. The thermal oxidative stability of magnesium kojate is studied by simultaneous thermal analysis in air. The molecular structure of the complex is discussed using spectral methods (NMR and IR spectroscopy) and studied in detail using X-ray diffraction (XRD) analysis (CIF file CCDC no. 2513260). Magnesium kojate is a coordination polymer with the chelate environment of the metal cation. The compound crystallizes in the triclinic symmetry group <span>(Pbar 1)</span>.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"52 6","pages":""},"PeriodicalIF":1.1,"publicationDate":"2026-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148838297","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}