K. S. Grishakov, A. D. Mustafin, K. P. Katin, P. F. Kartsev, M. M. Maslov
{"title":"Mechanical and Electronic Characteristics of AA and AB Diamanes in the Presence of Vacancies","authors":"K. S. Grishakov, A. D. Mustafin, K. P. Katin, P. F. Kartsev, M. M. Maslov","doi":"10.1134/S002247662603011X","DOIUrl":"10.1134/S002247662603011X","url":null,"abstract":"<p>The tensile strain effect on the mechanical characteristics and electronic band structures of diamanes with different packing types is studied by the density functional theory. Along with defect-free diamanes, the structures with vacancies are considered. The occurrence of a vacancy in the diamane structure decreases the ultimate tensile strength (to 27%) and Young’s modulus (to 10%). Patterns of changes in the band gaps of AA and AB diamanes caused by tensile strain are determined. Diamane structures with vacancies are found to have larger band gaps as compared to the defect-free structures. Moreover, these structures demonstrate greater changes in band gaps in the region of small deformations, which makes their use promising in straintronics applications.</p>","PeriodicalId":668,"journal":{"name":"Journal of Structural Chemistry","volume":"67 3","pages":"590 - 597"},"PeriodicalIF":1.4,"publicationDate":"2026-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147636936","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
E. A. Ermakova, Yu. A. Golubeva, K. S. Smirnova, E. Y. Zyryanova, I. A. Utepova, E. V. Lider
{"title":"Synthesis and Crystal Structure of Mononuclear Zinc(II) Complexes with 6-Ferrocenyl-2,2′-Bipyridine","authors":"E. A. Ermakova, Yu. A. Golubeva, K. S. Smirnova, E. Y. Zyryanova, I. A. Utepova, E. V. Lider","doi":"10.1134/S0022476626030108","DOIUrl":"10.1134/S0022476626030108","url":null,"abstract":"<p>Mononuclear complexes [ZnL(NO<sub>3</sub>)<sub>2</sub>] <b>1</b> and [ZnLCl<sub>2</sub>]·CH<sub>3</sub>CN <b>2</b> are prepared for the first time by the interaction of 6-ferrocenyl-2,2′-bipyridine (L) with zinc(II) salts. The structure of crystal phases is determined by XRD, and it is shown that the nature of the anion (<span>(text{NO}_{3}^{-})</span> or Cl<sup>–</sup>) is essential for determining the central atom′s coordination environment. In <b>1</b> (space group <i>P</i>2<sub>1</sub>/<i>c</i>), the 5+1 coordination environment is described as a distorted trigonal prism. In <b>2</b> (space group <span>(Pbar{1})</span>), the geometry is intermediate between tetrahedral and vacant trigonal bipyramidal.</p>","PeriodicalId":668,"journal":{"name":"Journal of Structural Chemistry","volume":"67 3","pages":"583 - 589"},"PeriodicalIF":1.4,"publicationDate":"2026-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147636849","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. V. Medved′ko, I. A. Troshin, M. E. Minyaev, S. Z. Vatsadze
{"title":"Beyond Phosphorus: Diazaadamantane and Bispidine Analogs of RAPTA-C and RAED-C","authors":"A. V. Medved′ko, I. A. Troshin, M. E. Minyaev, S. Z. Vatsadze","doi":"10.1134/S0022476626030054","DOIUrl":"10.1134/S0022476626030054","url":null,"abstract":"<p>Half sandwich ruthenium complexes with 5,7-dimethyl-1,3-diazaadamantane-6-one, 5,7-dimethyl-1,3-diazaadamantane, 1,5-dimethyl-3,7-diazabicyclo[3.3.1]nonan-9-one, and 1,5-dimethyl-3,7-diazabicyclo [3.3.1]nonane are prepared for the first time; their crystal structures are determined by single crystal XRD. It is established that 5,7-dimethyl-1,3-diazaadamantane can form both mononuclear and dinuclear complexes with ruthenium. In the bispidine complexes, hydrogen atoms at the nitrogen atoms are oriented at a non-typical angle.</p>","PeriodicalId":668,"journal":{"name":"Journal of Structural Chemistry","volume":"67 3","pages":"520 - 531"},"PeriodicalIF":1.4,"publicationDate":"2026-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147636887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
L. V. Frantsuzova, D. P. Gerasimova, Y. V. Veremeichik, O. A. Lodochnikova
{"title":"Crystal Structure of a Cyclic Sulfinamide: Combined HOMO- and Heterochiral Hydrogen Bonding","authors":"L. V. Frantsuzova, D. P. Gerasimova, Y. V. Veremeichik, O. A. Lodochnikova","doi":"10.1134/S0022476626030121","DOIUrl":"10.1134/S0022476626030121","url":null,"abstract":"<p>A new type of H-bonded associate is discovered in a series of crystals of cyclic sulfinamides condensed with a phenyl ring on the one side and with a norborna(e)ne ring on the other side. The associate is classified as a combined hetero- and homochiral one. It shows no interactions of sulfinyl groups, but exhibits a T-shaped stacking interaction of aromatic fragments. Interactions inside this associate are characterized by increased density and strength, in contrast to those in the homochiral chain along the 2<sub>1</sub> axis and a classical heterochiral chain along the glide plane that were studied earlier in detail.</p>","PeriodicalId":668,"journal":{"name":"Journal of Structural Chemistry","volume":"67 3","pages":"598 - 608"},"PeriodicalIF":1.4,"publicationDate":"2026-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147636866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
S. E. Kachmarzhik, Airat M. Kuchkaev, Aidar M. Kuchkaev, A. B. Dobrynin, O. G. Sinyashin, D. G. Yakhvarov
{"title":"New Cobalt(II) Complexes with Bisphosphinoamine Ligands: Synthesis, Structure, and Electrocatalytic Properties","authors":"S. E. Kachmarzhik, Airat M. Kuchkaev, Aidar M. Kuchkaev, A. B. Dobrynin, O. G. Sinyashin, D. G. Yakhvarov","doi":"10.1134/S0022476626030169","DOIUrl":"10.1134/S0022476626030169","url":null,"abstract":"<p>New complexes, [Co(dppa<sup>Me</sup>)<sub>2</sub>(CH<sub>3</sub>CN)](BF<sub>4</sub>)<sub>2</sub> <b>1</b> and [Co(dppa<sup>MeOBn</sup>)<sub>2</sub>(CH<sub>3</sub>CN)](BF<sub>4</sub>)<sub>2</sub> <b>2</b>, where dppa<sup>Me</sup> = N,N-bis(diphenylphosphino)methylamine, dppa<sup>MeOBn</sup> = N,N-bis(diphenylphosphino)-2-methoxybenzylamine, are synthesized and structurally characterized. Their structural features and electrochemical properties are determined. It is shown that both complexes exhibit catalytic activity in the electrochemical hydrogen evolution reaction with overpotentials of 0.62 V and 0.70 V and turnover frequencies of 4.03 s<sup>–1</sup> and 3.37 s<sup>–1</sup> for complexes <b>1</b> and <b>2</b>, respectively.</p>","PeriodicalId":668,"journal":{"name":"Journal of Structural Chemistry","volume":"67 3","pages":"644 - 653"},"PeriodicalIF":1.4,"publicationDate":"2026-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147636870","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. N. Gosteva, D. O. Charkin, O. S. Smulskaya, S. V. Chegodin, V. E. Kireev, S. N. Volkov, S. M. Aksenov
{"title":"Synthesis and Crystal Structure of the Double Complex Salt [Co(NH3)6][Co(C2O4)3]","authors":"A. N. Gosteva, D. O. Charkin, O. S. Smulskaya, S. V. Chegodin, V. E. Kireev, S. N. Volkov, S. M. Aksenov","doi":"10.1134/S0022476626030030","DOIUrl":"10.1134/S0022476626030030","url":null,"abstract":"<p>Reactions of [Co(NH<sub>3</sub>)<sub>6</sub>]Cl<sub>3</sub> and K<sub>3</sub>[Co(C<sub>2</sub>O<sub>4</sub>)<sub>3</sub>] in aqueous solutions result in formation of a new double complex salt, [Co(NH<sub>3</sub>)<sub>6</sub>][Co(C<sub>2</sub>O<sub>4</sub>)<sub>3</sub>] (<b>1</b>). The crystal structure of 1 is triclinic [space group <span>(Pbar{1})</span>, <i>a</i> = 7.5180(5) Å, <i>b</i> = 9.4283(5) Å, <i>c</i> = 11.4968(7) Å, α = 84.018(4)°, β = 87.508(4)°, γ = 71.254(4)°] and is derived from a CsCl archetype. It is analogous to the previously reported [Ir(NH<sub>3</sub>)<sub>6</sub>][Co(C<sub>2</sub>O<sub>4</sub>)<sub>3</sub>] and [Co(NH<sub>3</sub>)<sub>6</sub>][Ir(C<sub>2</sub>O<sub>4</sub>)<sub>3</sub>], which are also triclinic and crystallize in the space group <span>(Pbar{1})</span>. The difference in the number of water molecules in comparison with the previously studied [Co(NH<sub>3</sub>)<sub>6</sub>][Co(C<sub>2</sub>O<sub>4</sub>)<sub>3</sub>]·3H<sub>2</sub>O (space group <span>(Pbar{3})</span>) can be explained by different methods for obtaining single crystals suitable for X-ray diffraction analysis. These findings expand the data pool on double complex salts with cations and anions based on the same transition metal cation, and underline the effect of incorporated water molecules on the crystal structure.</p>","PeriodicalId":668,"journal":{"name":"Journal of Structural Chemistry","volume":"67 3","pages":"497 - 505"},"PeriodicalIF":1.4,"publicationDate":"2026-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147636874","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. N. Zaloga, V. V. Stanovov, I. S. Yakimov, P. S. Dubinin, O. E. Bezrukova
{"title":"Neural Network Determination of the Crystal Symmetry of Substances Using Powder XRD Patterns Normalized to the Crystal′s Unit Cell Volume","authors":"A. N. Zaloga, V. V. Stanovov, I. S. Yakimov, P. S. Dubinin, O. E. Bezrukova","doi":"10.1134/S002247662603008X","DOIUrl":"10.1134/S002247662603008X","url":null,"abstract":"<p>Crystal systems, Bravais lattices, extinction groups, space groups, and intervals of unit cell volume are classified using a convolutional neural network based on the deep learning of model full-profile powder XRD patterns computed from ICSD data. A new method is proposed to significantly increase the classification accuracy by normalizing unit cell volumes to the total fixed value when computing the model XRD patterns. The classification accuracy determined from an independent set of normalized model XRD patterns is 97.4% for crystal systems and 88.0% for space groups. Due to its high accuracy, this neural network can be utilized to perform a crystal symmetry analysis using experimental unit cell volumes and to determine space groups without using reflection extinction rules after finding the unit cell volume by commonly utilized indexing programs.</p>","PeriodicalId":668,"journal":{"name":"Journal of Structural Chemistry","volume":"67 3","pages":"556 - 570"},"PeriodicalIF":1.4,"publicationDate":"2026-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147636935","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. I. Ivantsov, E. V. Bezruchko, I. V. Skabitsky, E. N. Zorina-Tikhonova, S. S. Shapovalov
{"title":"Ruthenium(II) Arene Chloride Complexes with Coordinated Hydrazines and Hydrazides","authors":"A. I. Ivantsov, E. V. Bezruchko, I. V. Skabitsky, E. N. Zorina-Tikhonova, S. S. Shapovalov","doi":"10.1134/S0022476626030091","DOIUrl":"10.1134/S0022476626030091","url":null,"abstract":"<p>Patterns are determined of the interaction between hydrazine and methyl ether of 5-methyl-1-(2,3,5,6-tetrafluorophenyl)-1<i>H</i>-pyrazole-3-carboxylic acid. A series of complexes is obtained: [(η<sup>6</sup>-cymene) RuCl(η<sup>1</sup>-L<sup><i>n</i></sup>)] (<b>1</b>, <b>2</b>, and<b> 3</b>), where L<sup>1</sup> is methyl-1-(2,3,5,6-tetrafluorophenyl)-1<i>H</i>-pyrazole-3-carbohydrazide, L<sup>2</sup> is 4-iodo-3,5-dimethyl-1-(2,3,5,6-tetrafluoro-4-hydrazinephenyl)pyrazole, L<sup>3</sup> is 5-methyl-1-(4-bromo-3,5,6-trifluoro-2-hydrazinephenyl)-1<i>H</i>-3-carboxymethylpyrazole. Crystallization of complex <b>1 </b>from acetonitrile in the presence of 1,4-C<sub>6</sub>F<sub>4</sub>I<sub>2</sub> leads to the formation of ionic complex [(η<sup>6</sup>-cymene)RuCl(η<sup>2</sup>-L<sup>1</sup>)]Cl·1(1/4)(1,4-C<sub>6</sub>F<sub>4</sub>I<sub>2</sub>)·1/2MeCN (<b>4</b>·1.25(1,4-C<sub>6</sub>F<sub>4</sub>I<sub>2</sub>)·1/2MeCN).</p>","PeriodicalId":668,"journal":{"name":"Journal of Structural Chemistry","volume":"67 3","pages":"571 - 582"},"PeriodicalIF":1.4,"publicationDate":"2026-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147637024","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
I. A. Yakushev, M. V. Panina, S. I. Pomogailo, G. N. Menchikova, P. V. Dorovatovskii, M. Sokić, A. B. Kornev
{"title":"Formation of Bimetallic Chloride-Bridged 1D Coordination Polymer [Cu(H2O)4RhCl5(H2O)]n in the Homogeneous Catalytic Oxidation of Alkanes","authors":"I. A. Yakushev, M. V. Panina, S. I. Pomogailo, G. N. Menchikova, P. V. Dorovatovskii, M. Sokić, A. B. Kornev","doi":"10.1134/S0022476626030194","DOIUrl":"10.1134/S0022476626030194","url":null,"abstract":"<p>When studying partial oxidation of propane with molecular oxygen in the presence of bimetallic catalytic mixture RhCl<sub>3</sub>/Cu(OOCCF<sub>3</sub>)<sub>2</sub>-NaCl in the C<sub>3</sub>F<sub>7</sub>COOH/H<sub>2</sub>O medium, new heterometallic chloride-bridged inorganic coordination polymer [Cu(H<sub>2</sub>O)<sub>4</sub>RhCl<sub>5</sub>(H<sub>2</sub>O)]<sub><i>n</i></sub> (CCDC No. 2457532) is discovered and structurally characterized by the single crystal X-ray diffraction analysis using synchrotron radiation. Its crystal structure contains 1D polymeric chains linked by hydrogen bonds mediated by solvating water molecules, and the rhodium atom is in an unusual coordination environment consisting of five chlorine atoms and one oxygen atom.</p>","PeriodicalId":668,"journal":{"name":"Journal of Structural Chemistry","volume":"67 3","pages":"673 - 682"},"PeriodicalIF":1.4,"publicationDate":"2026-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147637025","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Synthesis, Structure, and Luminescence of N-Coordinated Thiocyanate Platinum(II) Complex Stabilized by Halogen Bonds","authors":"E. V. Antonova, M. A. Kinzhalov","doi":"10.1134/S0022476626030224","DOIUrl":"10.1134/S0022476626030224","url":null,"abstract":"<p>A new cyclometalated platinum(II) complex [Pt(ppy)(SCN)(CNC<sub>6</sub>H<sub>3</sub>-2-F-4-I)] (<b>I</b>, Hppy = 2-phenylpyridine) containing a thiocyanate and an isocyanide ligand is prepared and structurally characterized, its photophysical properties are studied. Complex <b>I</b> in a CDCl<sub>3</sub> solution exists as an equilibrium mixture of S- and N-coordinated isomers. In the solid phase, only the N-isomer forming the <b>I</b>·CHCl<sub>3</sub> (CCDC 2515278) and <b>I</b>·CH<sub>2</sub>Cl<sub>2</sub> (CCDC 2515279) solvate is detected upon crystallization from CHCl<sub>3</sub> or CH<sub>2</sub>Cl<sub>2</sub>. In crystals, molecules of <b>I</b> form supramolecular chains stabilized by short Pt⋯Pt metallophilic contacts and I⋯S halogen bonds. Complex <b>I</b> exhibits green-yellow luminescence in the solution and red excimer emission in the solid state.</p>","PeriodicalId":668,"journal":{"name":"Journal of Structural Chemistry","volume":"67 3","pages":"700 - 712"},"PeriodicalIF":1.4,"publicationDate":"2026-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147636873","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}