Russian Journal of Coordination Chemistry最新文献

{"title":"Synthesis and Structure of Cadmium, Copper, and Nickel Pivalate and Pentafluorobenzoate Complexes with 2-Amino-1-Methylbenzimidazole","authors":"A. S. Chistyakov,&nbsp;M. A. Shmelev,&nbsp;L. M. Efromeev,&nbsp;L. D. Popov,&nbsp;Yu. K. Voronina,&nbsp;A. A. Sidorov,&nbsp;I. L. Eremenko","doi":"10.1134/S1070328424601055","DOIUrl":"10.1134/S1070328424601055","url":null,"abstract":"<p>A series of copper(II), nickel(II), and cadmium(II) compounds with pivalate (Piv) or pentafluorobenzoate (Pfb) anions and 2-amino-1-methylbenzimidazole (L) molecules, [Cu₂(Piv)₄(L)₂]·2MeCN (<b>I</b>), [Ni(Piv)₂(L)₂][Ni(Piv)₂(L)₂(MeOH)] (<b>II</b>), and [Cd(Pfb)₂(L)₂] (<b>III</b>), were obtained. In the case of copper compounds, a binuclear complex with a Chinese lantern structure was formed, while nickel and cadmium salts resulted in the formation of mononuclear complexes. In all synthesized compounds, the 2-amino-1-methylbenzimidazole molecule is a monodentate ligand, coordinated to the metal atom via the nitrogen atom of the benzimidazole ring. The compounds were characterized by X-ray diffraction, IR spectroscopy, and CHN analysis.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"50 11","pages":"951 - 959"},"PeriodicalIF":1.1,"publicationDate":"2025-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143373209","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":"Peculiarities of the Synthesis and Structures of Heterometallic Carboxylate Complexes with {Zn2Ln} and {Zn2Ca} Metal Cores","authors":"S. N. Melnikov,&nbsp;I. K. Rubtsova,&nbsp;S. A. Nikolaevskii,&nbsp;I. L. Eremenko,&nbsp;M. A. Kiskin","doi":"10.1134/S1070328424600761","DOIUrl":"10.1134/S1070328424600761","url":null,"abstract":"<p>The results of investigation of the heterometallic trinuclear {Zn₂Ln} and {Zn₂Ca} carboxylate coordination compounds are systematized in the review. The methods of the synthesis, structural peculiarities, and some physicochemical properties are discussed.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"50 11","pages":"873 - 891"},"PeriodicalIF":1.1,"publicationDate":"2025-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143373265","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":"Heteroleptic Binuclear Pivalate-, Pyrazolate-Bridged Copper(II) Complexes with 1,10-Phenanthroline","authors":"M. A. Uvarova,&nbsp;M. A. Shmelev,&nbsp;S. E. Nefedov","doi":"10.1134/S1070328424600736","DOIUrl":"10.1134/S1070328424600736","url":null,"abstract":"<p>The reaction of the mononuclear complex [PhenCu(OOC^<i>t</i>Bu)₂(H₂O)] (<b>I</b>) with [PhenCu(CH₃CN)(Otf)₂] (Phen = 1,10-phenanthroline, Otf = CF₃S<span>({text{O}}_{3}^{ - })</span>) in dichloromethane at room temperature gave the binuclear complex [Phen₂Cu₂(µ-OOC^<i>t</i>Bu)₂(Otf)₂] (<b>II</b>). The reaction of <b>II</b> with pyrazole (PzH) involved the displacement of the triflate anions to the outer sphere and gave the ionic complex [Phen₂Cu₂(µ-OOC^<i>t</i>Bu)₂(PzH)₂](Otf)₂ (<b>III</b>), while a similar reaction with 3,5-bis(trifluoromethyl)pyrazole ((CF₃)₂PzH) was accompanied by its deprotonation and gave the heteroleptic complex [Phen₂Cu₂(µ-OOC^<i>t</i>Bu)(µ-(CF₃)₂Pz)(µ-Otf)]Otf (<b>IV</b>). Compounds <b>I</b>–<b>IV</b> were characterized by X-ray diffraction (CCDC nos. 2332399 (<b>I</b>), 2332400 (<b>II</b>), 2332402 (<b>III</b>), and 2332401 (<b>IV</b>)), IR spectroscopy, and elemental analysis. According to X-ray diffraction data, the copper atoms in <b>I</b>–<b>IV</b> occur in a square pyramidal environment. The crystal packing of complexes <b>I</b>–<b>III</b> involves stacking interactions between phenanthroline molecules giving rise to supramolecular chains.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"50 11","pages":"1029 - 1036"},"PeriodicalIF":1.1,"publicationDate":"2025-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143373378","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":"Fulvene Complex Stabilized by Triangular Ruthenium Cluster","authors":"S. V. Osintseva,&nbsp;O. V. Semeikin,&nbsp;I. V. Anan’ev,&nbsp;F. M. Dolgushin","doi":"10.1134/S1070328424601171","DOIUrl":"10.1134/S1070328424601171","url":null,"abstract":"<p>The tetranuclear complex H₂Ru₄(CO)₁₁(µ₄-η¹,η⁵-CC₅H₄) (<b>I</b>) was obtained by the photochemical reaction of Ru₃(CO)₁₂ with Z-1-(4-tolyl)-3-phenylaminoprop-2-en-1-one (λ ≥ 210 nm). The structure of complex <b>I</b> was established by single crystal X-ray diffraction. According to X-ray diffraction data, the complex is described by a superposition of resonance structures, that is, the carbene cluster YCRu₃, in which the substituent Y at the carbyne carbon atom is (η⁵-C₅H₄)Ru(CO)₂, and a vinylidene complex containing a fulvene form of the ligand, in which the exocyclic carbenium carbon atom is additionally stabilized by coordination to a triangular ruthenium cluster. For description of the interatomic binding in <b>I</b>, quantum chemical calculations of the electronic structure of the molecule in the gas phase were carried out at the PBE0/def2TZVP level. The features of binding of the organic ligand to the metal core were described in terms of the atoms in molecules theory. According to the calculations, the C₆H₄ moiety in <b>I</b> is a fulvene type ligand in which two hydrogen atoms in the CH₂ group have been replaced by ruthenium atoms.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"50 11","pages":"927 - 935"},"PeriodicalIF":1.1,"publicationDate":"2025-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143373211","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":"Platinum Dibromide Complexes with 10-(Aryl)phenoxarsines: Synthesis, Structures, and Luminescent and Biological Properties","authors":"M. F. Galimova,&nbsp;S. A. Kondrashova,&nbsp;Sh. K. Latypov,&nbsp;A. B. Dobrynin,&nbsp;I. E. Kolesnikov,&nbsp;A. P. Lyubina,&nbsp;A. D. Voloshina,&nbsp;E. I. Musina,&nbsp;A. A. Karasik","doi":"10.1134/S1070328424600955","DOIUrl":"10.1134/S1070328424600955","url":null,"abstract":"<p>The reactions of 10-(aryl)phenoxarsines (L¹ = 10-(4-tolyl)phenoxarsine, L² is 10-(4-fluorophenyl)phenoxarsine, L³ is 10-(3-fluorophenyl)phenoxarsine, and L⁴ is 10-(2-methoxyphenyl)phenoxarsine) with Pt(COD)Br₂ afford platinum(II) complexes [Pt(L^1–4)₂Br₂] (<b>I</b>–<b>IV</b>). The complexes are characterized by elemental analysis, IR spectroscopy, mass spectrometry, and NMR (¹Н, ¹³С, ¹⁹⁵Pt) spectroscopy. The Pt(II) complexes in solutions exist as two isomers mutually exchanging at a rate intermediate in the NMR time scale. The molecular structures of complexes <i>cis</i>-<b>II</b>·chloroform, <i>trans</i>-<b>II</b>, and <i>cis</i>-<b>IV</b>·dichloromethane are determined by XRD (CIF files CCDC nos. 2368769 (<i>cis-</i><b>II</b>·chloroform), 2368770 (<i>trans-</i><b>II</b>), and 2368771 (<i>cis-</i><b>IV</b>·chloroform)). The platinum(II) dibromide complexes can crystallize as both <i>cis</i> and <i>trans</i> isomers. The study of the photophysical properties of the platinum(II) complexes shows that the <i>trans</i> isomers are characterized by emission in the orange spectral range, whereas the <i>cis</i> isomers almost does not luminesce. 10-(Aryl)phenoxarsines and their platinum(II) complexes are tested to cytotoxicity against the M-HeLa and HuTu 80 human cancer cell lines and hepatocyte-like cells of the Сhang liver line.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"50 11","pages":"902 - 913"},"PeriodicalIF":1.1,"publicationDate":"2025-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143373263","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 Properties of Heterometallic Lanthanide Complexes Based on Lithium β-Diketonate Bearing tert-Butyl and Acetal Groups","authors":"Yu. O. Edilova,&nbsp;Yu. S. Kudyakova,&nbsp;P. A. Slepukhin,&nbsp;M. S. Valova,&nbsp;V. I. Saloutin,&nbsp;D. N. Bazhin","doi":"10.1134/S1070328424600827","DOIUrl":"10.1134/S1070328424600827","url":null,"abstract":"<p>Nonsymmetrical lithium β-diketonate (LiL) containing <i>tert-</i>butyl and acetal substituents at the dicarbonyl cage has been synthesized for the first time and is structurally characterized (CIF file CCDC no. 2364039 (<b>I</b>)). The reactions of functional lithium β-diketonate with salts of trivalent rare-earth metals in methanol afford heterobinuclear complexes [(LnL₃)(LiL)(MeOH)] (Ln = Eu, Gd, Tb). The structures of the complexes are characterized by X-ray diffraction (XRD) (CIF files CCDC nos. 2364040 (<b>II</b>), 2364041 (<b>III</b>), 2364042 (<b>IV</b>)).</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"50 11","pages":"960 - 968"},"PeriodicalIF":1.1,"publicationDate":"2025-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143373197","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":"The Role of 2-Hydroxypyridine in the Formation of Pivalate Zn–Gd Complexes","authors":"M. E. Nikiforova,&nbsp;M. A. Kiskin,&nbsp;A. A. Sidorov,&nbsp;M. A. Uvarova,&nbsp;I. L. Eremenko","doi":"10.1134/S1070328424600839","DOIUrl":"10.1134/S1070328424600839","url":null,"abstract":"<p>The reactions of [Zn(Piv)₂]_<i>n</i> and [Gd(Piv)₃]_<i>n</i> or Gd(NO₃)₃∙6H₂O with 2-hydroxypyridine (Hhp) or its 6-methyl derivative (Hmhp) afford heterometallic complexes [ZnGd(Рiv)₅(Hhp)₂]·0.5H₂O (<b>I</b>), [Zn₂Gd(Рiv)₆(Hhp)₂NO₃]∙2C₆H₆ (<b>II</b>), [Zn₃GdO(Рiv)₇(Hmhp)₂]∙MeCN (<b>III</b>), and [Zn₂Gd(Рiv)₆-(Hmhp)₂NO₃]∙0.5MeCN (<b>IV</b>), respectively. In the carboxylate metal cage of the synthesized complexes, the Hhp and Hmhp molecules in the form of 2-pyridone are coordinated by the metal atoms via the monodentate mode through the oxygen atoms. The introduction of Et₃N into the reaction with [Zn(Рiv)₂]_<i>n</i>, Gd(NO₃)₃∙6H₂O, and Hhp is found to result in the formation of compound [Zn₄Gd₂(OH)₂-(Рiv)₆(hp)₆(Hhp)₂] (<b>V</b>) in which the 2-hydroxypyridine anions perform the bridging function. The molecular structures of complexes <b>I</b>‒<b>V</b> are determined by XRD (CIF files CCDC nos. 2365419–2365423).</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"50 11","pages":"914 - 926"},"PeriodicalIF":1.1,"publicationDate":"2025-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143373222","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":"Spin States of the Cobalt(II) Complex with Bis(pyrazol-3-yl)pyridine and pH-Sensitive Functional Groups and Its Deprotonated Derivatives","authors":"E. S. Safiullina,&nbsp;I. A. Nikovskii,&nbsp;A. A. Dan’shina,&nbsp;Yu. V. Nelyubina","doi":"10.1134/S1070328424600682","DOIUrl":"10.1134/S1070328424600682","url":null,"abstract":"<p>The reaction of 2,6-bis(pyrazol-3-yl)pyridine H₂L bearing pH-sensitive imino groups with cobalt perchlorate hexahydrate followed by the addition of 1,8-diazabicyclo[5.4.0]undec-7-ene affords the cobalt(II) complex [Co(H₂L)₂](ClO₄)₂ (<b>I</b>) and its doubly deprotonated analog [Co(HL)₂]⁰ (<b>II</b>). The compounds are characterized by NMR spectroscopy, mass spectrometry, and XRD. The influence of the deprotonation of ligand H₂L with a chosen base on the spin state of the cobalt(II) ion in a solution is studied by in situ NMR spectroscopy. Complex <b>I</b> is shown to retain its high-spin state in the whole temperature range accessible in deuterated methanol (200–325 K) both before and after the deprotonation of all pH-sensitive imino groups. However, the doubly deprotonated form of complex <b>I</b> (complex <b>II</b>·2MeOH) exists in the crystal (CIF file CCDC no. 2351546) in the low-spin state, which is the first example of the pH-induced stabilization of this state for the cobalt(II) complexes with 2,6-bis(pyrazol-3-yl)pyridines.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"50 11","pages":"978 - 986"},"PeriodicalIF":1.1,"publicationDate":"2025-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143373228","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":"Substitution of the Internal AsO3– Ligand in Complex [{Re4As2(AsO)2}(CN)12]8–","authors":"A. S. Pronin,&nbsp;Yu. V. Mironov","doi":"10.1134/S1070328424600797","DOIUrl":"10.1134/S1070328424600797","url":null,"abstract":"<p>The reaction of the tetrahedral rhenium arsenide cluster K₈[{Re₄As₂(AsO)₂}(CN)₁₂] with molten KF·HF is studied. The reaction affords complex K₆[{Re₄As₂(AsO)F}(CN)₁₂]·3H₂O·KF (<b>I</b>). The substitution of one (µ₃-AsO)^3– ligand by µ₃-F^– is shown to occur during the reaction, and the remained internal ligands are not involved in the reaction. The phase purity of the synthesized compound and the absence of impurities of different compositions are confirmed by phase X-ray diffraction (XRD) and mass spectrometry. The structure of complex <b>I</b> is determined by single-crystal XRD (CIF file CCDC no. 2362544).</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"50 11","pages":"945 - 950"},"PeriodicalIF":1.1,"publicationDate":"2025-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143373412","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":"Stabilisation of a μ2-Oxido Bridge Dinuclear VO3+ Core by Incorporating Redox-Active Tridentate (NNO)-Donor Ligands","authors":"A. S. Roy,&nbsp;S. Ghosh,&nbsp;S. Bera,&nbsp;S. Maity","doi":"10.1134/S1070328424600840","DOIUrl":"10.1134/S1070328424600840","url":null,"abstract":"<p>Two diamagnetic dinuclear μ₂-oxido bridged oxovanadium(V) complexes, [<span>({text{V}}_{2}^{{text{V}}})</span>O₄(L₁)₂] (<b>I</b>), (L₁H = (<i>E</i>)-1-(pyridin-2-yldiazenyl)naphthalen-2-ol, and [<span>({text{V}}_{2}^{{text{V}}})</span>O₄(L₂)₂] (<b>II</b>) L₂H = (<i>E</i>)-4-methyl-2-(thiazol-2-yldiazenyl)phenol) have been synthesised by using different “redox-active” tridentate NNO-donor ligands and VO(acac)₂. Both complexes have been well characterised by FT-IR, UV-vis, NMR, ESI-MS spectroscopy, and cyclic voltammetry data analysis. Geometries of <b>I</b> and <b>II</b> are confirmed by the single-crystal X-ray crystallography. Complexes have two symmetrical oxovanadium cores (in <i>anti</i>-angular configurations) held by two μ-O bridging ions. The bond angle between the central VO³⁺ unit and the oxido bridges V(1)−O(2)−V(1A) is 101.9(3)° and 100.11(12)°, respectively in <b>I</b> and <b>II</b>. In complex <b>II</b>, vanadium centres are separated from each other by 3.0672 (12) Å, whereas it is slightly higher in complex <b>I</b> (3.162 Å). The unsymmetrical bridge bond lengths, {V(1)–O(2) and V(1)–O(2A)}, are 1.660(6) and 2.371(7) in <b>I</b>, whereas 1.663(3) and 2.302(3) Å in <b>II</b>. Both complexes exhibit significant absorption peaks in the visible region due to (LMCT) ligand-to-metal as well as (ILCT) intra-ligand charge transfer. The cyclic voltammetry study shows the stepwise electron reduction for both <b>I</b> and <b>II</b>. The first reduction at –0.70 V is due to (<span>({{{text{L}}_{{{text{azo}}}}^{ - }} mathord{left/ {vphantom {{{text{L}}_{{{text{azo}}}}^{ - }} {{text{L}}_{{{text{azo}}}}^{{centerdot 2 - }}}}} right. kern-0em} {{text{L}}_{{{text{azo}}}}^{{centerdot 2 - }}}})</span>) (L = L₁ (<b>I</b>) and L = L₂ (<b>II</b>)), whereas the second reduction occurs at around –1.30 V and may be due to V^V/V^IV redox couple. Chemically generated in-situ mono-reduced analogues <b>I</b>^– and <b>II</b>^– produce single-line isotropic EPR spectra with ‘g’ values of 2.003 and 2.006, respectively. These signals indicate that organic radicals are present in the systems. Nevertheless, no further equivalent hyperfine splitting (HFS) of the magnetic nuclei of organic radicals was detected in any of the reduced species despite varying the concentration, sweep range, and modulation parameters. The Mulliken spin density plots of <b>I</b>^– and EPR spectra authenticate that mono-reduced analogues can be defined as azo-anion radical-coupled oxovanadium(V) of types [<span>({text{V}}_{2}^{{text{V}}})</span>O₄<span>(({text{L}}_{1}^{ - })_{2}^{{centerdot - }})</span>] (<b>I</b>^–) and [<span>({text{V}}_{2}^{{text{V}}})</span>O₄<span>(({text{L}}_{2}^{ - })_{2}^{{centerdot - }})</span>] (<b>II</b>^–).</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"50 11","pages":"987 - 1000"},"PeriodicalIF":1.1,"publicationDate":"2024-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143373321","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}