1
|
Zabierowski PW, Děkanovský L, Mazánek V, Hodorowicz M, Sofer Z. Functionalisation of graphite and thermally reduced graphene oxide with bis-hydrazone copper(I) nitrate salt. NANOSCALE 2024. [PMID: 39331048 DOI: 10.1039/d4nr03456b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/28/2024]
Abstract
The solvothermal functionalization of graphite and thermally reduced graphene oxide (TRGO) using a bis-hydrazone copper(I) complex is demonstrated. This treatment resulted in a remarkable 328% increase in the BET specific surface area of graphite, reaching 374 m2 g-1, while the surface area of TRGO remained unchanged. The hybrid composites show promise as potential components for gas sensors.
Collapse
Affiliation(s)
- Piotr W Zabierowski
- University of Chemistry and Technology Prague, Technická 5, Prague, 166 28 Czech Republic.
| | - Lukáš Děkanovský
- University of Chemistry and Technology Prague, Technická 5, Prague, 166 28 Czech Republic.
| | - Vlastimil Mazánek
- University of Chemistry and Technology Prague, Technická 5, Prague, 166 28 Czech Republic.
| | - Maciej Hodorowicz
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland
| | - Zdeněk Sofer
- University of Chemistry and Technology Prague, Technická 5, Prague, 166 28 Czech Republic.
| |
Collapse
|
2
|
Bubnov MP, Zolotukhin AA, Fukin GK, Rumyantcev RV, Bogomyakov AS. Valence tautomeric interconversion of bis-dioxolene cobalt complex with imino-pyridine functionalized by TEMPO moiety in solid solutions with isostructural nickel analogue: phase transitions and monocrystal destruction. Dalton Trans 2024; 53:9151-9160. [PMID: 38742270 DOI: 10.1039/d4dt00453a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
Valence tautomeric complexes (VT) are promising systems for creating molecular devices. From this viewpoint, valence tautomeric complexes with a hysteresis loop on the magnetic curve are of special interest as potential memory elements. The hysteresis loop is a consequence of retarded structural rearrangements which investigation is an actual problem. Recently, we have described a new VT transition taking place in a bis-dioxolene cobalt complex with imino-pyridine having a TEMPO substituent (A. A. Zolotukhin, et al., Inorg. Chem., 2017, 56, 14751-14754). Valence tautomeric transformation occurs with a hysteresis loop and is accompanied by a phase transition. The phase transition taking place during cooling is accompanied by crystal destruction. This fact makes it impossible to monitor the structural changes responsible for the hysteresis loop. The current research attempts to resolve this problem. A nickel compound of the same composition (TEMPO-imino-pyridine)Ni(3,6-DBSQ)2 was synthesized and characterized. It was established to be isostructural with the cobalt complex. It was used as an inert matrix for the dilution of the VT cobalt complex. The number of solid solutions with Co/Ni ratios of 1 : 1, 1 : 2, 1 : 4, and 1 : 8 was obtained. Variable temperature magnetic susceptibility measurements show that VT transformation with a hysteresis loop takes place in all solid solutions. The hysteresis loop is shifted to low temperatures primarily due to the shifting of its low-temperature boundary with dilution. The hysteresis width does not change significantly with dilution. DSC detected that transformations are accompanied by phase transitions at different temperatures at cooling and heating. The phase transition at the first cooling occurs at slightly lower temperatures compared with subsequent cycles. These temperatures correspond to the transition temperatures detected from the magnetic curves. The phase transition during the first cooling is accompanied by crystal destruction. Physical destruction takes place in the crystals of all solid solutions. X-ray diffraction powder patterns confirm that phase transition is accompanied by considerable reorganization of the crystal structure typical for the first order transitions. The unit cell volume of solid solutions is larger than that of pure complexes. Especially calculated crystal invariom indicated that the "lattice energy" in a solid solution is the lowest compared with that in "pure" nickel and cobalt complexes.
Collapse
Affiliation(s)
- Michael P Bubnov
- G. A. Razuvaev Institute of Organometallic Chemistry of RAS, 49 Tropinina Str., GSP-445, 603950 Nizhny Novgorod, Russia.
| | - Alexey A Zolotukhin
- G. A. Razuvaev Institute of Organometallic Chemistry of RAS, 49 Tropinina Str., GSP-445, 603950 Nizhny Novgorod, Russia.
| | - Georgy K Fukin
- G. A. Razuvaev Institute of Organometallic Chemistry of RAS, 49 Tropinina Str., GSP-445, 603950 Nizhny Novgorod, Russia.
| | - Roman V Rumyantcev
- G. A. Razuvaev Institute of Organometallic Chemistry of RAS, 49 Tropinina Str., GSP-445, 603950 Nizhny Novgorod, Russia.
| | - Artem S Bogomyakov
- International Tomography Center of the SB of RAS, Institutskaya Str., 3a, Novosibirsk 630090, Russia.
| |
Collapse
|
3
|
Lukina DA, Skatova AA, Rumyantcev RV, Demeshko SV, Meyer F, Fedushkin IL. Gradual solid-state redox-isomerism in the lanthanide series. Dalton Trans 2024; 53:8850-8856. [PMID: 38717191 DOI: 10.1039/d4dt00484a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
Oxidation of [(ArBIG-bian)2-Yb2+(dme)] (1) (ArBIG-bian = 1,2-bis[(2,6-dibenzhydryl-4-methylphenyl)imino]acenaphthene; dme = 1,2-dimethoxyethane) by 0.5 equivalent of Me2NC(S)S-S(S)CNMe2 in dme at ambient temperature affords a mixture of two products, [(ArBIG-bian)2-Yb3+{SC(S)NMe2}1-(dme)] and [(ArBIG-bian)1-Yb2+{SC(S)NMe2}1-(dme)], which represent two redox-isomers (2a and 2b, respectively). Their ratio in solution depends on the solvent as well as on the temperature. In the solid state, a decrease of temperature (350 → 100 K) caused an electron transfer from the Yb2+ ion to the ArBIG-bian radical-anion in isomer 2b to afford isomer 2a. Accordingly, the ratio of isomers 2a and 2b changes from 1 : 1 (350 K) to 3 : 1 (100 K). In contrast, in the dimer [(dme)(dpp-bian)1-Yb2+(μ-Cl)2Yb3+(dpp-bian)2-(dme)] (dpp-bian = 1,2-bis[(2,6-diisopropylphenyl)imino]acenaphthene), which is the sole example of a lanthanide complex that reveals solid-state redox-isomerism (valence tautomerism) reported so far, the electron transfer from the Yb2+ ion to the dpp-bian radical-anion takes place at around 150 K and is completed within a temperature interval of ca. 7 K.
Collapse
Affiliation(s)
- Daria A Lukina
- G. A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences, Tropinina Str. 49, Nizhny Novgorod, 603137, Russian Federation.
| | - Alexandra A Skatova
- G. A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences, Tropinina Str. 49, Nizhny Novgorod, 603137, Russian Federation.
| | - Roman V Rumyantcev
- G. A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences, Tropinina Str. 49, Nizhny Novgorod, 603137, Russian Federation.
| | - Serhiy V Demeshko
- Institut für Anorganische Chemie, Georg-August-Universität Tammannstrasse 4, Göttingen 37077, Germany
| | - Franc Meyer
- Institut für Anorganische Chemie, Georg-August-Universität Tammannstrasse 4, Göttingen 37077, Germany
| | - Igor L Fedushkin
- G. A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences, Tropinina Str. 49, Nizhny Novgorod, 603137, Russian Federation.
| |
Collapse
|
4
|
Briand GG. Redox-active ligands - a viable route to reactive main group metal compounds. Dalton Trans 2023; 52:17666-17678. [PMID: 37994106 DOI: 10.1039/d3dt03100d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2023]
Abstract
Anionic redox-active ligands such as o-amidophenolates, catecholates, dithiolenes, 1,2-benzendithiolates, 2-amidobenzenethiolates, reduced α-diimines, ferrocenyl and porphyrinates are capable of reversible oxidation and thus have the ability to act as sources of electrons for metal centres. These and other non-innocent ligands have been employed in coordination complexes of base transition metals to influence their redox chemistry and afford compounds with useful catalytic, optical, magnetic and conducting properties. Despite the focus in contemporary main group chemistry on designing reactive compounds with potential catalytic activity, comparatively few studies exploring the chemistry of main group metal complexes incorporating redox-active ligands have been reported. This article highlights relevant chemical reactivity and electrochemical studies that probe the oxidation/reduction of main group metal compounds possessing redox-active ligands and comments on the prospects for this relatively untapped avenue of research.
Collapse
Affiliation(s)
- Glen G Briand
- Department of Chemistry and Biochemistry, Mount Allison University, Sackville, New Brunswick E4L 1G8, Canada.
| |
Collapse
|
5
|
Abstract
Heteroatom-centered diradical(oid)s have been in the focus of molecular main group chemistry for nearly 30 years. During this time, the diradical concept has evolved and the focus has shifted to the rational design of diradical(oid)s for specific applications. This review article begins with some important theoretical considerations of the diradical and tetraradical concept. Based on these theoretical considerations, the design of diradical(oid)s in terms of ligand choice, steric, symmetry, electronic situation, element choice, and reactivity is highlighted with examples. In particular, heteroatom-centered diradical reactions are discussed and compared with closed-shell reactions such as pericyclic additions. The comparison between closed-shell reactivity, which proceeds in a concerted manner, and open-shell reactivity, which proceeds in a stepwise fashion, along with considerations of diradical(oid) design, provides a rational understanding of this interesting and unusual class of compounds. The application of diradical(oid)s, for example in small molecule activation or as molecular switches, is also highlighted. The final part of this review begins with application-related details of the spectroscopy of diradical(oid)s, followed by an update of the heteroatom-centered diradical(oid)s and tetraradical(oid)s published in the last 10 years since 2013.
Collapse
Affiliation(s)
- Alexander Hinz
- Institut für Anorganische Chemie (AOC), Karlsruher Institut für Technologie (KIT), Engesserstrasse 15, 76131 Karlsruhe, Germany
| | - Jonas Bresien
- Institut für Chemie, Universität Rostock, Albert-Einstein-Strasse 3a, 18059 Rostock, Germany
| | - Frank Breher
- Institut für Anorganische Chemie (AOC), Karlsruher Institut für Technologie (KIT), Engesserstrasse 15, 76131 Karlsruhe, Germany
| | - Axel Schulz
- Institut für Chemie, Universität Rostock, Albert-Einstein-Strasse 3a, 18059 Rostock, Germany
| |
Collapse
|
6
|
Schorpp M, Yadav R, Roth D, Greb L. Calix[4]pyrrolato Stibenium: Lewis Superacidity by Antimony(III)-Antimony(V) Electromerism. Angew Chem Int Ed Engl 2022; 61:e202207963. [PMID: 35925742 DOI: 10.1002/anie.202207963] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Indexed: 01/07/2023]
Abstract
Lewis superacids enable the activation of highly inert substrates. However, the permanent presence of a Lewis superacidic center comes along with a constantly increased intolerance toward functional groups or ambient conditions. Herein, we describe a strategy to unleash Lewis superacidity by electromerism. Experimental and computational results indicate that coordinating a Lewis base to Δ-calix[4]pyrrolato-antimony(III) triggers a ligand redox-noninnocent coupled transfer into antimony(V)-state that exhibits Lewis superacidic features. Lewis acidity by electromerism establishes a concept of potential generality for powerful yet robust reagents and on-site substrate activation approaches.
Collapse
Affiliation(s)
- Marcel Schorpp
- Anorganisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Ravi Yadav
- Anorganisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Daniel Roth
- Anorganisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Lutz Greb
- Department of Chemistry and Biochemistry-Inorganic Chemistry, Freie Universität Berlin, Fabeckstr. 34/36, 14195, Berlin, Germany
| |
Collapse
|
7
|
Schorpp M, Yadav R, Roth D, Greb L. Calix[4]pyrrolato Stibenium: Lewis Superacidity by Antimony(III)‐Antimony(V) Electromerism. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202207963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Marcel Schorpp
- Ruprecht Karls Universitat Heidelberg Anorganisch-Chemisches Institut GERMANY
| | - Ravi Yadav
- Ruprecht Karls Universitat Heidelberg Anorganisch-Chemisches Institut GERMANY
| | - Daniel Roth
- Ruprecht Karls Universitat Heidelberg Anorganisch-Chemisches Institut GERMANY
| | - Lutz Greb
- Freie Universitat Berlin Institut für Chemie und Biochemie, Anorganische Chemie Institut für Anorganische ChemieFabeckstr. 34-36 14195 Berlin GERMANY
| |
Collapse
|
8
|
Arsenyeva KV, Klimashevskaya AV, Zherebtsov MA, Chegerev MG, Cherkasov AV, Yakushev IA, Piskunov AV. Redox-Active Germylene Based on 2,4,6,8-Tetra-tert-butylphenoxazin-1-one: Synthesis, Structure, and Chemical Properties. RUSS J COORD CHEM+ 2022. [DOI: 10.1134/s1070328422070016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
|
9
|
Piskunov AV, Arsenyeva KV, Klimashevskaya AV, Cherkasov AV. Heterometallic Germanium(IV) Complexes Based on the N-Phenyl-Substituted o-Amidophenolate Ligand. RUSS J COORD CHEM+ 2022. [DOI: 10.1134/s1070328422050074] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
10
|
Buikin PA, Vologzhanina AV, Arkhipov DE, Korlyukov AA. Electronic structure of substituted catecholate complexes of hexacoordinated silicon: a quantum chemical study. Russ Chem Bull 2022. [DOI: 10.1007/s11172-022-3511-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
11
|
Pashanova KI, Poddel'sky AI, Piskunov AV. Complexes of “late” transition metals of the 3d row based on functionalized o-iminobenzoquinone type ligands: Interrelation of molecular and electronic structure, magnetic behaviour. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214399] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
|
12
|
Starikova AA, Chegerev MG, Starikov AG, Minkin VI. o-Benzoquinone Cobalt Complexes Bearing Organosilicon Radicals: Quantum-Chemical Study. RUSS J COORD CHEM+ 2022. [DOI: 10.1134/s1070328422040054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
|
13
|
Interface Asymmetry Induced and Surface Pressure Controlled Valence Tautomerism in Monolayers of bis-Phthalocyaninates of Lanthanides. Symmetry (Basel) 2022. [DOI: 10.3390/sym14020340] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Supramolecular systems based on transition metal complexes capable of reversible redox isomerization due to intramolecular electron transfer are one of the most interesting objects from the viewpoint of molecular switches’ design. In the present work, a comparative analysis of valence transformation of lanthanide complexes (Sm, Er, Tm and Yb) with donor-substituted bis-phthalocyaninates occurring during the formation and compression–extension of Langmuir monolayers was carried out using data of UV–Vis–NIR spectroscopy. It is shown that the numerical values of the Q-band positions in the absorption spectra for the extended monolayers of the complexes under study depend linearly on the ionic radius of the metal center, if the metals have an oxidation state of +2. This makes it possible to draw a direct analogy between the behavior of the studied compounds and analogous europium and cerium complexes, for which direct evidence of the valence tautomerism in such planar systems was obtained earlier. This led to the conclusion that the intramolecular electron transfer from the phthalocyanine ligand to the central metal ion [Ln3+(R4Pc2‑)(R4Pc•−)]0 → [Ln2+(R4Pc•−)2]0 occurs when solutions of donor-substituted bis-phthalocyaninates of samarium, erbium, thulium, and ytterbium are deposited onto the water subphase, and the reverse redox-isomeric transition is observed in most cases when the monolayer is compressed to high surface pressures. The first of these switches is related to the asymmetry of the air/water interface, and the second one is controlled by the lateral compression–expansion of the monolayer. It has been demonstrated that when bis-phthalocyanine monolayers of lanthanides with variable valence are transferred to solid substrates, the valence state of the metal center, and consequently, the redox-isomeric state of the complex, do not change. This means that we are able to form films with a predetermined state of the complex. Note that the redox-isomeric state of complexes should affect the entire range of physicochemical properties of such films.
Collapse
|
14
|
Greb L. Valence Tautomerism of p-Block Element Compounds - An Eligible Phenomenon for Main Group Catalysis? Eur J Inorg Chem 2022; 2022:e202100871. [PMID: 35910784 PMCID: PMC9306562 DOI: 10.1002/ejic.202100871] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/12/2021] [Indexed: 01/03/2023]
Abstract
Valence tautomerism has had a remarkable impact on several branches of transition metal chemistry. By switching between different valence tautomeric states, physicochemical properties and reactivities can be triggered reversibly. Is this phenomenon transferrable into the p-block - or is it already happening there? This Perspective collects observations of p-block element-ligand systems that might be assignable to valence tautomerism. Further, it discusses occurrences in p-block element compounds that exhibit the related effect of redox-induced electron transfer. As disclosed, the concept of valence tautomerism with p-block elements is at a very early stage. However, given the substantial disparity in the properties of those elements in different redox states, it might offer a valid extension for future developments in main group catalysis.
Collapse
Affiliation(s)
- Lutz Greb
- Anorganische ChemieFreie Universität BerlinFabeckstr. 34–3614195BerlinGermany
- Anorganisch-Chemisches InstitutUniversität HeidelbergIm Neuenheimer Feld 27069120HeidelbergGermany
| |
Collapse
|
15
|
Yambulatov DS, Nikolaevskii SA, Babeshkin KA, Efimov NN, Kiskin MA, Eremenko IL. Synthesis, structure, and magnetic properties of the cobalt(ii) iodide complex with 1,4-diazabuta-1,3-diene ligand. Russ Chem Bull 2022. [DOI: 10.1007/s11172-021-3358-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
16
|
Arsenyeva KV, Klimashevskaya AV, Pashanova KI, Trofimova OY, Chegerev MG, Starikova AA, Cherkasov AV, Fukin GK, Yakushev IA, Piskunov AV. Stable heterocyclic stannylene: The metal, ligand‐centered reactivity, and effective catalytic hydroboration of aldehydes. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6593] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Kseniya V. Arsenyeva
- G.A. Razuvaev Institute of Organometallic Chemistry Russian Academy of Sciences Nizhny Novgorod Russian Federation
| | - Anastasiya V. Klimashevskaya
- G.A. Razuvaev Institute of Organometallic Chemistry Russian Academy of Sciences Nizhny Novgorod Russian Federation
| | - Kira I. Pashanova
- G.A. Razuvaev Institute of Organometallic Chemistry Russian Academy of Sciences Nizhny Novgorod Russian Federation
| | - Olesya Yu. Trofimova
- G.A. Razuvaev Institute of Organometallic Chemistry Russian Academy of Sciences Nizhny Novgorod Russian Federation
| | - Maxim G. Chegerev
- Institute of Physical and Organic Chemistry Southern Federal University Rostov‐on‐Don Russian Federation
| | - Alyona A. Starikova
- Institute of Physical and Organic Chemistry Southern Federal University Rostov‐on‐Don Russian Federation
| | - Anton V. Cherkasov
- G.A. Razuvaev Institute of Organometallic Chemistry Russian Academy of Sciences Nizhny Novgorod Russian Federation
| | - Georgy K. Fukin
- G.A. Razuvaev Institute of Organometallic Chemistry Russian Academy of Sciences Nizhny Novgorod Russian Federation
| | - Ilya A. Yakushev
- N.S. Kurnakov Institute of General and Inorganic Chemistry Russian Academy of Sciences Moscow Russian Federation
| | - Alexandr V. Piskunov
- G.A. Razuvaev Institute of Organometallic Chemistry Russian Academy of Sciences Nizhny Novgorod Russian Federation
| |
Collapse
|
17
|
Astaf'eva TV, Rumyantcev RV, Arsenyev MV, Zherebtsov MA, Fukin GK, Cherkasov VK, Poddel'sky AI. 1D Coordination polymers based on triphenylantimony(V) 3-formyl-substituted catecholates. J Organomet Chem 2022. [DOI: 10.1016/j.jorganchem.2021.122190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
18
|
Chegerev MG, Korchagin DV, Shilov GV, Efimov NN, Starikov AG, Piskunov AV, Chernyshev AV, Bulgakov AN, Minkin VI, Palii AV, Aldoshin SM. Magnetically bistable cobalt-dioxolene complexes with a tetradentate N-donor base. Dalton Trans 2022; 51:16876-16889. [DOI: 10.1039/d2dt02874c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We describe a family of cobalt-dioxolene complexes exhibiting a high diversity of magnetic properties: from field-induced single-ion magnetism to thermally induced valence-tautomerism.
Collapse
Affiliation(s)
- Maxim G. Chegerev
- Institute of Physical and Organic Chemistry, Southern Federal University, Stachki Avenue, 194/2, 344090 Rostov-on-Don, Russia
| | - Denis V. Korchagin
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, 1, Acad. Semenov prosp., 142432 Chernogolovka, Moscow Region, Russia
| | - Gennady V. Shilov
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, 1, Acad. Semenov prosp., 142432 Chernogolovka, Moscow Region, Russia
| | - Nikolay N. Efimov
- Kurnakov Institute of General and Inorganic Chemistry, Leninsky avenue, 31, 119991 Moscow, Russia
| | - Andrey G. Starikov
- Institute of Physical and Organic Chemistry, Southern Federal University, Stachki Avenue, 194/2, 344090 Rostov-on-Don, Russia
| | - Alexandr V. Piskunov
- Razuvaev Institute of Organometallic Chemistry, Russian Academy of Sciences, 49 Tropinina Str., GSP-445, 603950 Nizhny Novgorod, Russia
| | - Anatoly V. Chernyshev
- Institute of Physical and Organic Chemistry, Southern Federal University, Stachki Avenue, 194/2, 344090 Rostov-on-Don, Russia
| | - Aleksei N. Bulgakov
- The Smart Materials Research Institute, Southern Federal University, Sladkova 178/24, 344090 Rostov-on-Don, Russia
| | - Vladimir I. Minkin
- Institute of Physical and Organic Chemistry, Southern Federal University, Stachki Avenue, 194/2, 344090 Rostov-on-Don, Russia
| | - Andrei V. Palii
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, 1, Acad. Semenov prosp., 142432 Chernogolovka, Moscow Region, Russia
| | - Sergey M. Aldoshin
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, 1, Acad. Semenov prosp., 142432 Chernogolovka, Moscow Region, Russia
| |
Collapse
|
19
|
Computational search for redox isomerism in Ge and Sn bis-chelates with α-diimine ligands. MENDELEEV COMMUNICATIONS 2022. [DOI: 10.1016/j.mencom.2022.01.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
|
20
|
Starikov AG, Starikova AA, Chegerev MG, Aldoshin SM, Metelitsa AV, Minkin VI. Spin‐State‐Switching Rearrangements of Bis(dioxolene)‐Bridged CrCo Complexes: A DFT Study. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Andrey G. Starikov
- Institute of Physical and Organic Chemistry Southern Federal University 194/2 Stachka Avenue 344090 Rostov-on-Don Russian Federation
| | - Alyona A. Starikova
- Institute of Physical and Organic Chemistry Southern Federal University 194/2 Stachka Avenue 344090 Rostov-on-Don Russian Federation
| | - Maxim G. Chegerev
- Institute of Physical and Organic Chemistry Southern Federal University 194/2 Stachka Avenue 344090 Rostov-on-Don Russian Federation
| | - Sergey M. Aldoshin
- Institute of Problems of Chemical Physics Russian Academy of Sciences 1 Acad. Semenov Avenue 142432 Chernogolovka Russian Federation
| | - Anatoly V. Metelitsa
- Institute of Physical and Organic Chemistry Southern Federal University 194/2 Stachka Avenue 344090 Rostov-on-Don Russian Federation
| | - Vladimir I. Minkin
- Institute of Physical and Organic Chemistry Southern Federal University 194/2 Stachka Avenue 344090 Rostov-on-Don Russian Federation
| |
Collapse
|
21
|
Janetzki JT, Zahir FZM, Gable RW, Phonsri W, Murray KS, Goerigk L, Boskovic C. A Convenient DFT-Based Strategy for Predicting Transition Temperatures of Valence Tautomeric Molecular Switches. Inorg Chem 2021; 60:14475-14487. [PMID: 34494829 DOI: 10.1021/acs.inorgchem.1c02273] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The ability to identify promising candidate switchable molecules computationally, prior to synthesis, represents a considerable advance in the development of switchable molecular materials. Even more useful would be the possibility of predicting the switching temperature. Cobalt-dioxolene complexes can exhibit thermally induced valence tautomeric switching between low-spin CoIII-catecholate and high-spin CoII-semiquinonate forms, where the half-temperature (T1/2) is the temperature at which there are equal amounts of the two tautomers. We report the first simple computational strategy for accurately predicting T1/2 values for valence tautomeric complexes. Dispersion-corrected density functional theory (DFT) methods have been applied to the [Co(dbdiox)(dbsq)(N2L)] (dbdiox/dbsq•- = 3,5-di-tert-butyldioxolene/semiquinonate; N2L = diimine) family of valence tautomeric complexes, including the newly reported [Co(dbdiox)(dbsq)(MeO-bpy)] (1) (MeO-bpy = 4,4'-dimethoxy-2,2'-bipyridine). The DFT strategy has been thoroughly benchmarked to experimental data, affording highly accurate spin-distributions and an excellent energy match between experimental and calculated spin-states. Detailed orbital analysis of the [Co(dbdiox)(dbsq)(N2L)] complexes has revealed that the diimine ligand tunes the T1/2 value primarily through π-acceptance. We have established an excellent correlation between experimental T1/2(toluene) values for [Co(dbdiox)(dbsq)(N2L)] complexes and the calculated lowest unoccupied molecular orbital energy of the corresponding diimine ligand. The model affords accurate T1/2(toluene) values for [Co(dbdiox)(dbsq)(N2L)] complexes, with an average error of only 3.7%. This quantitative and simple DFT strategy allows experimentalists to not only rapidly identify proposed VT complexes but also predict the transition temperature. This study lays the groundwork for future in silico screening of candidate switchable molecules prior to experimental investigation, with associated time, cost, and environmental benefits.
Collapse
Affiliation(s)
- Jett T Janetzki
- School of Chemistry, University of Melbourne, Victoria 3010, Australia
| | - F Zahra M Zahir
- School of Chemistry, University of Melbourne, Victoria 3010, Australia
| | - Robert W Gable
- School of Chemistry, University of Melbourne, Victoria 3010, Australia
| | - Wasinee Phonsri
- School of Chemistry, Monash University, Clayton, Victoria 3800, Australia
| | - Keith S Murray
- School of Chemistry, Monash University, Clayton, Victoria 3800, Australia
| | - Lars Goerigk
- School of Chemistry, University of Melbourne, Victoria 3010, Australia
| | - Colette Boskovic
- School of Chemistry, University of Melbourne, Victoria 3010, Australia
| |
Collapse
|
22
|
The reactivity of N-heterocyclic germylenes and stannylenes based on 9,10-phenanthrendiimines towards metal carbonyls and sulfur. J Organomet Chem 2021. [DOI: 10.1016/j.jorganchem.2021.121887] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
|
23
|
Chegerev MG, Starikova AA. Electronic Lability of Quinonoid‐Bridged Dinuclear 3 d‐Metal Complexes with Tetradentate N‐Donor Bases. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100200] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Maxim G. Chegerev
- Institute of Physical and Organic Chemistry Southern Federal University 194/2 Stachka Avenue 344090 Rostov-on-Don Russian Federation
| | - Alyona A. Starikova
- Institute of Physical and Organic Chemistry Southern Federal University 194/2 Stachka Avenue 344090 Rostov-on-Don Russian Federation
| |
Collapse
|
24
|
Guda AA, Chegerev M, Starikov AG, Vlasenko VG, Zolotukhin AA, Bubnov MP, Cherkasov VK, Shapovalov VV, Rusalev YV, Tereshchenko AA, Trigub AL, Chernyshev AV, Soldatov AV. Valence tautomeric transition of bis(o-dioxolene) cobalt complex in solid state and solution. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2021; 33:215405. [PMID: 33588394 DOI: 10.1088/1361-648x/abe650] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 02/15/2021] [Indexed: 06/12/2023]
Abstract
Valence tautomer transition occurs mainly in 3d metalorganic complexes with redox-active ligands and makes them potential candidates for single-molecular switches. The transition occurs under temperature, pressure, or light-induced stimuli and is strongly affected by the intermolecular interactions. However single-crystal x-ray diffraction is not always applicable to such systems when crystal structure is destroyed upon transition or system is studied in the solution. Such an example is bis(o-semiquinonato) cobalt complex with TEMPO-functionalized iminopyridine ancillary ligand. In this work we apply two complementary techniques-ligand-sensitive Fourier transform infrared spectroscopy (FTIR) and metal sensitive Co K-edge x-ray absorption spectroscopy (XAS). In a solid state, a temperature hysteresis of magnetization larger than 40 K was observed upon cyclic cooling-heating. So, the temperature of phase transition upon cooling is about 40 K lower than that upon heating. In solution, the x-ray absorption spectra for high-temperature and low-temperature states were similar to that in the solid form, but the hysteresis was absent. Two methods are can probe valence tautomer transition, but XAS has an advantage for the liquid phase analysis and FTIR has larger sensitivity to the ligand related interactions in solid.
Collapse
Affiliation(s)
- A A Guda
- The Smart Materials Research Institute, Sladkova 178/24, 344090 Rostov-on-Don, Russia
| | - M Chegerev
- Institute of Physical and Organic Chemistry, Southern Federal University, Stachki Avenue, 194/2, 344090, Rostov-on-Don, Russia
| | - A G Starikov
- Institute of Physical and Organic Chemistry, Southern Federal University, Stachki Avenue, 194/2, 344090, Rostov-on-Don, Russia
| | - V G Vlasenko
- Institute of Physics, Southern Federal University, Stachki Avenue, 194, 344090, Rostov-on-Don, Russia
| | - A A Zolotukhin
- G. A. Razuvaev Institute of Organometallic Chemistry, Russian Academy of Sciences, 49 Tropinina Str., GSP-445, 603950 Nizhny Novgorod, Russia
| | - M P Bubnov
- G. A. Razuvaev Institute of Organometallic Chemistry, Russian Academy of Sciences, 49 Tropinina Str., GSP-445, 603950 Nizhny Novgorod, Russia
| | - V K Cherkasov
- G. A. Razuvaev Institute of Organometallic Chemistry, Russian Academy of Sciences, 49 Tropinina Str., GSP-445, 603950 Nizhny Novgorod, Russia
| | - V V Shapovalov
- The Smart Materials Research Institute, Sladkova 178/24, 344090 Rostov-on-Don, Russia
| | - Yu V Rusalev
- The Smart Materials Research Institute, Sladkova 178/24, 344090 Rostov-on-Don, Russia
| | - A A Tereshchenko
- The Smart Materials Research Institute, Sladkova 178/24, 344090 Rostov-on-Don, Russia
| | - A L Trigub
- National Research Center 'Kurchatov Institute', 1 Akademika Kurchatova pl., 123098 Moscow, Russia
| | - A V Chernyshev
- Institute of Physical and Organic Chemistry, Southern Federal University, Stachki Avenue, 194/2, 344090, Rostov-on-Don, Russia
| | - A V Soldatov
- The Smart Materials Research Institute, Sladkova 178/24, 344090 Rostov-on-Don, Russia
| |
Collapse
|
25
|
Arsenyeva KV, Chegerev MG, Cherkasov AV, Pashanova KI, Ershova IV, Trofimova OY, Piskunov AV. Facile synthesis of digermylene oxide and its reactivity towards vanadocene: the first example of Cp2V–germylene coordination. MENDELEEV COMMUNICATIONS 2021. [DOI: 10.1016/j.mencom.2021.04.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
|
26
|
Arsenyeva KV, Chegerev MG, Cherkasov AV, Pashanova KI, Ershova IV, Trofimova OY, Piskunov AV. Facile synthesis of digermylene oxide and its reactivity towards vanadocene: the first example of Cp2V–germylene coordination. MENDELEEV COMMUNICATIONS 2021. [DOI: 10.1016/j.mencom.2021.05.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
27
|
Starikov AG, Chegerev MG, Starikova AA, Minkin VI. Computational modeling of cobalt diketonate adducts with o-benzoquinones incorporating organosilicon radicals. Russ Chem Bull 2021. [DOI: 10.1007/s11172-021-3086-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
|
28
|
Vlasenko VG, Guda AA, Starikov AG, Chegerev MG, Piskunov AV, Ershova IV, Trigub AL, Tereshchenko AA, Rusalev YV, Kubrin SP, Soldatov AV. Structural Changes in Five‐Coordinate Bromido‐bis(o‐iminobenzo‐semiquinonato)iron(III) Complex: Spin‐Crossover or Ligand‐Metal Antiferromagnetic Interactions? Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202001033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Valery G. Vlasenko
- Research Institute of Physics Southern Federal University 194 Stachki Ave. 344090 Rostov-on-Don Russia
| | - Alexander A. Guda
- The Smart Materials Research Institute Southern Federal University 178/24 A. Sladkova street 344090 Rostov-on-Don Russia
| | - Andrey G. Starikov
- Institute of Physical and Organic Chemistry Southern Federal University 194/2 Stachki Ave. 344090 Rostov-on-Don Russia
| | - Maxim G. Chegerev
- Institute of Physical and Organic Chemistry Southern Federal University 194/2 Stachki Ave. 344090 Rostov-on-Don Russia
| | - Alexander V. Piskunov
- G. A. Razuvaev Institute of Organometallic Chemistry Russian Academy of Sciences 49 Tropinina Str. 603950 Nizhny Novgorod Russia
| | - Irina V. Ershova
- G. A. Razuvaev Institute of Organometallic Chemistry Russian Academy of Sciences 49 Tropinina Str. 603950 Nizhny Novgorod Russia
| | - Alexander L. Trigub
- National Research Center “Kurchatov Institute” 1 pl. Academician Kurchatov 123182 Moscow Russia
| | - Andrei A. Tereshchenko
- The Smart Materials Research Institute Southern Federal University 178/24 A. Sladkova street 344090 Rostov-on-Don Russia
| | - Yurii V. Rusalev
- The Smart Materials Research Institute Southern Federal University 178/24 A. Sladkova street 344090 Rostov-on-Don Russia
| | - Stanislav P. Kubrin
- Research Institute of Physics Southern Federal University 194 Stachki Ave. 344090 Rostov-on-Don Russia
| | - Alexander V. Soldatov
- The Smart Materials Research Institute Southern Federal University 178/24 A. Sladkova street 344090 Rostov-on-Don Russia
| |
Collapse
|
29
|
Sinitsa DK, Sukhikh TS, Konchenko SN, Pushkarevsky NA. Synthesis, structures, and one- or two-electron reduction reactivity of mononuclear lanthanide (Ho, Dy) complexes with sterically hindered o-iminobenzoquinone ligands. Polyhedron 2021. [DOI: 10.1016/j.poly.2020.114967] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
30
|
Arsenyeva KV, Pashanova KI, Trofimova OY, Ershova IV, Chegerev MG, Starikova AA, Cherkasov AV, Syroeshkin MA, Kozmenkova AY, Piskunov AV. O,N-Heterocyclic germylenes as efficient catalysts for hydroboration and cyanosilylation of benzaldehyde. NEW J CHEM 2021. [DOI: 10.1039/d1nj01644j] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Novel O,N-heterocyclic germylenes were examined as catalysts for cyanosilylation and hydroboration of benzaldehyde.
Collapse
Affiliation(s)
- Kseniya V. Arsenyeva
- G. A. Razuvaev Institute of Organometallic Chemistry of Russian Academy of Sciences
- Nizhny Novgorod
- Russian Federation
| | - Kira I. Pashanova
- G. A. Razuvaev Institute of Organometallic Chemistry of Russian Academy of Sciences
- Nizhny Novgorod
- Russian Federation
| | - Olesya Yu. Trofimova
- G. A. Razuvaev Institute of Organometallic Chemistry of Russian Academy of Sciences
- Nizhny Novgorod
- Russian Federation
| | - Irina V. Ershova
- G. A. Razuvaev Institute of Organometallic Chemistry of Russian Academy of Sciences
- Nizhny Novgorod
- Russian Federation
| | - Maxim G. Chegerev
- Institute of Physical and Organic Chemistry at Southern Federal University
- Rostov-on-Don
- Russian Federation
| | - Alyona A. Starikova
- Institute of Physical and Organic Chemistry at Southern Federal University
- Rostov-on-Don
- Russian Federation
| | - Anton V. Cherkasov
- G. A. Razuvaev Institute of Organometallic Chemistry of Russian Academy of Sciences
- Nizhny Novgorod
- Russian Federation
| | - Mikhail A. Syroeshkin
- N. D. Zelinsky Institute of Organic Chemistry of Russian Academy of Sciences
- Moscow
- Russian Federation
| | - Anna Ya. Kozmenkova
- N. D. Zelinsky Institute of Organic Chemistry of Russian Academy of Sciences
- Moscow
- Russian Federation
| | - Alexandr V. Piskunov
- G. A. Razuvaev Institute of Organometallic Chemistry of Russian Academy of Sciences
- Nizhny Novgorod
- Russian Federation
| |
Collapse
|
31
|
Starikova AA, Chegerev MG, Starikov AG. Computational insight into magnetic behaviour of cobalt tris(2-pyridylmethyl)amine complexes with dioxolenes incorporating stable radicals. Chem Phys Lett 2021. [DOI: 10.1016/j.cplett.2020.138128] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
|
32
|
Chegerev MG, Arsenyeva KV, Cherkasov AV, Piskunov AV. Specific Features of EPR Spectroscopy of Organotin Compounds with Paramagnetic Ligands of the o-Iminobenzosemiquinone Type. RUSS J COORD CHEM+ 2020. [DOI: 10.1134/s1070328420110019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
33
|
Arsenyeva KV, Ershova IV, Chegerev MG, Cherkasov AV, Aysin RR, Lalov AV, Fukin GK, Piskunov AV. Reactivity of O,N-heterocyclic germylene and stannylene towards μ-dithio-bis(tricarbonyliron). J Organomet Chem 2020. [DOI: 10.1016/j.jorganchem.2020.121524] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
|
34
|
Ershova IV, Piskunov AV, Cherkasov VK. Complexes of diamagnetic cations with radical anion ligands. RUSSIAN CHEMICAL REVIEWS 2020. [DOI: 10.1070/rcr4957] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
|
35
|
Smolyaninov IV, Poddel’sky AI, Smolyaninova SA, Arsenyev MV, Fukin GK, Berberova NT. Polyfunctional Sterically Hindered Catechols with Additional Phenolic Group and Their Triphenylantimony(V) Catecholates: Synthesis, Structure, and Redox Properties. Molecules 2020; 25:molecules25081770. [PMID: 32290617 PMCID: PMC7221534 DOI: 10.3390/molecules25081770] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 04/09/2020] [Accepted: 04/10/2020] [Indexed: 01/25/2023] Open
Abstract
New polyfunctional sterically hindered 3,5-di-tert-butylcatechols with an additional phenolic group in the sixth position connected by a bridging sulfur atom—(6-(CH2-S-tBu2Phenol)-3,5-DBCat)H2 (L1), (6-(S-tBu2Phenol)-3,5-DBCat)H2 (L2), and (6-(S-Phenol)-3,5-DBCat)H2 (L3) (3,5-DBCat is dianion 3,5-di-tert-butylcatecolate)—were synthesized and characterized in detail. The exchange reaction between catechols L1 and L3 with triphenylantimony(V) dibromide in the presence of triethylamine leads to the corresponding triphenylantimony(V) catecholates (6-(CH2-S-tBu2Phenol)-3,5-DBCat)SbPh3 (1) and (6-(S-Phenol)-3,5-DBCat)SbPh3 (2). The electrochemical properties of catechols L1–L3 and catecholates 1 and 2 were investigated using cyclic voltammetry. The electrochemical oxidation of L1–L3 at the first stage proceeds with the formation of the corresponding o-benzoquinones. The second process is the oxidation of the phenolic moiety. Complexes 1 and 2 significantly expand their redox capabilities, owing to the fact that they can act as the electron donors due to the catecholate metallocycle capable of sequential oxidations, and as donors of the hydrogen atoms, thus forming a stable phenoxyl radical. The molecular structures of the free ligand L1 and complex 1 in the crystal state were determined by single-crystal X-ray analysis.
Collapse
Affiliation(s)
- Ivan V. Smolyaninov
- Toxicology Research Group, Federal State Budgetary Institution of Science “Federal Research Centre The Southern Scientific Centre of the Russian Academy of The Sciences”, Tatischeva str. 16, 414056 Astrakhan, Russia;
- Department of Chemistry, Astrakhan State Technical University, 16 Tatisheva str., Astrakhan 414056, Russia; (S.A.S.); (N.T.B.)
| | - Andrey I. Poddel’sky
- G.A. Razuvaev Institute of Organometallic Chemistry, Russian Academy of Sciences, 49 Tropinina str., 603137 Nizhny Novgorod, Russia; (M.V.A.); (G.K.F.)
- Correspondence: ; Tel./Fax: +7-831-462-7497
| | - Susanna A. Smolyaninova
- Department of Chemistry, Astrakhan State Technical University, 16 Tatisheva str., Astrakhan 414056, Russia; (S.A.S.); (N.T.B.)
| | - Maxim V. Arsenyev
- G.A. Razuvaev Institute of Organometallic Chemistry, Russian Academy of Sciences, 49 Tropinina str., 603137 Nizhny Novgorod, Russia; (M.V.A.); (G.K.F.)
| | - Georgy K. Fukin
- G.A. Razuvaev Institute of Organometallic Chemistry, Russian Academy of Sciences, 49 Tropinina str., 603137 Nizhny Novgorod, Russia; (M.V.A.); (G.K.F.)
| | - Nadezhda T. Berberova
- Department of Chemistry, Astrakhan State Technical University, 16 Tatisheva str., Astrakhan 414056, Russia; (S.A.S.); (N.T.B.)
| |
Collapse
|
36
|
Tsys KV, Chegerev MG, Fukin GK, Starikov AG, Piskunov AV. Low-valent oligogermanium amidophenolate complex comprising a unique Ge4 chain. MENDELEEV COMMUNICATIONS 2020. [DOI: 10.1016/j.mencom.2020.03.025] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
|
37
|
Starikov AG, Starikova AA, Minyaev RM, Minkin VI, Boldyrev AI. o-Quinone phenalenyl derivatives as expedient ligands for the design of magnetically active metal complexes: A computational study. Chem Phys Lett 2020. [DOI: 10.1016/j.cplett.2019.137073] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
|
38
|
Minkin VI, Starikov AG, Starikova AA, Gapurenko OA, Minyaev RM, Boldyrev AI. Electronic structure and magnetic properties of the triangular nanographenes with radical substituents: a DFT study. Phys Chem Chem Phys 2020; 22:1288-1298. [DOI: 10.1039/c9cp05922a] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
DFT modeling of triangular polycyclic hydrocarbons bearing radicals provided insights into dependence of electronic ground states on their structural peculiarities
Collapse
Affiliation(s)
- Vladimir I. Minkin
- Institute of Physical and Organic Chemistry at Southern Federal University
- Rostov-on-Don
- Russia
| | - Andrey G. Starikov
- Institute of Physical and Organic Chemistry at Southern Federal University
- Rostov-on-Don
- Russia
| | - Alyona A. Starikova
- Institute of Physical and Organic Chemistry at Southern Federal University
- Rostov-on-Don
- Russia
| | - Olga A. Gapurenko
- Institute of Physical and Organic Chemistry at Southern Federal University
- Rostov-on-Don
- Russia
| | - Ruslan M. Minyaev
- Institute of Physical and Organic Chemistry at Southern Federal University
- Rostov-on-Don
- Russia
| | - Alexander I. Boldyrev
- Institute of Physical and Organic Chemistry at Southern Federal University
- Rostov-on-Don
- Russia
- Department of Chemistry and Biochemistry
- Utah State University
| |
Collapse
|
39
|
Piskunov AV, Meshcheryakova IN, Piskunova MS, Somov NV, Bogomyakov AS, Kubrin SP. Diradical hexacoordinated tin(IV) bis-o-iminobenzosemiquinonates: synthesis, structure and magnetic properties. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.05.126] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
|
40
|
Starikova AA, Chegerev MG, Starikov AG, Minkin VI. Rational Design of Electronically Labile Dinuclear Fe and Co complexes with 1,10-Phenanthroline-5,6-Diimine: A DFT study. J Comput Chem 2019; 40:2284-2292. [PMID: 31228286 DOI: 10.1002/jcc.26005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 06/04/2019] [Accepted: 06/04/2019] [Indexed: 01/27/2023]
Abstract
A series of coordination compounds of redox-active 1,10-phenanthroline-5,6-diimine with CoII bis-diketonates and FeII dihydrobis(pyrazolyl)borates has been computationally designed by means of density functional theory (DFT UB3LYP*/6-311++G(d,p)) calculations of their electronic structure, energy characteristics, and magnetic properties. Four types of complexes differing by the nature and position of the terminal metal-centered fragments have been considered. The performed systematic calculations have revealed the systems capable of undergoing thermally initiated spin-state switching rearrangements, including those governed by the synchronized mechanisms of spin crossover and valence tautomerism. The predicted magnetic characteristics allow one to consider the dinuclear cobalt complexes and heterometallic Co/Fe compounds with 1,10-phenanthroline-5,6-diimine as building blocks for molecular and quantum electronics devices. © 2019 Wiley Periodicals, Inc.
Collapse
Affiliation(s)
- Alyona A Starikova
- Institute of Physical and Organic Chemistry at Southern Federal University, Stachka Avenue 194/2, Rostov-on-Don, Russian Federation, 344090
| | - Maxim G Chegerev
- Institute of Physical and Organic Chemistry at Southern Federal University, Stachka Avenue 194/2, Rostov-on-Don, Russian Federation, 344090
| | - Andrey G Starikov
- Institute of Physical and Organic Chemistry at Southern Federal University, Stachka Avenue 194/2, Rostov-on-Don, Russian Federation, 344090
| | - Vladimir I Minkin
- Institute of Physical and Organic Chemistry at Southern Federal University, Stachka Avenue 194/2, Rostov-on-Don, Russian Federation, 344090
| |
Collapse
|
41
|
Piskunov AV, Tsys KV, Chegerev MG, Cherkasov AV. Tin(II) Complexes Based on N-Alkyl-Substituted o-Amidophenolate Ligands: Acid–Base and Redox Transformations. RUSS J COORD CHEM+ 2019. [DOI: 10.1134/s1070328419090069] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
42
|
Synthesis and reactivity of monomeric stannylene supported by the new tetradentate O,N,N,N-chelating ligand. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2019.03.024] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
|
43
|
Klementyeva SV, Lukoyanov AN, Afonin MY, Mörtel M, Smolentsev AI, Abramov PA, Starikova AA, Khusniyarov MM, Konchenko SN. Europium and ytterbium complexes with o-iminoquinonato ligands: synthesis, structure, and magnetic behavior. Dalton Trans 2019; 48:3338-3348. [PMID: 30778457 DOI: 10.1039/c8dt04849e] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Complexes of divalent ytterbium (1) and europium (2) with a dianionic o-amidophenolate ligand were prepared by both the direct reduction of 4,6-di-tert-butyl-N-(2,6-diisopropylphenyl)-o-iminobenzoquinone (dpp-IQ) and the salt metathesis reaction of potassium o-amidophenolate with LnI2 (Ln = Yb, Eu). Oxidation of o-amidophenolates 1, 2 with one equivalent of dpp-IQ as well as the salt metathesis reaction of potassium o-iminosemiquinolate with LnI2 afforded ligand mixed-valent o-iminosemiquinonato-amidophenolato complexes of trivalent ytterbium (3) and europium (4). All novel complexes 1-4 were fully characterized, including the solid state structures of 1 and 2 determined by single crystal X-ray diffraction. The magnetic properties of paramagnetic 2-4 were examined.
Collapse
Affiliation(s)
- Svetlana V Klementyeva
- Kazan Federal University, A.M. Butlerov Institute of Chemistry, 420008, Kremlevskaya str. 29/1, Kazan, Russia.
| | | | | | | | | | | | | | | | | |
Collapse
|
44
|
Piskunov AV, Trofimova OY, Maleeva AV, Cherkasov AV. Template Synthesis of Tin(IV) Complexes with Tridentate Iminopyridine Ligands. RUSS J COORD CHEM+ 2019. [DOI: 10.1134/s1070328419020040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
45
|
Chegerev MG, Piskunov AV, Tsys KV, Starikov AG, Jurkschat K, Baranov EV, Stash AI, Fukin GK. Insight into the Electron Density Distribution in an O,N‐Heterocyclic Stannylene by High‐Resolution X‐ray Diffraction Analysis. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201801383] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Maxim G. Chegerev
- G. A. Razuvaev Institute of Organometallic Chemistry Russian Academy of Sciences Tropinina str. 49 603950 Nizhny Novgorod Russian Federation
- Institute of Physical and Organic Chemistry at Southern Federal University Stachka Avenue 194/2 344090 Rostov‐on‐Don Russian Federation
| | - Alexandr V. Piskunov
- G. A. Razuvaev Institute of Organometallic Chemistry Russian Academy of Sciences Tropinina str. 49 603950 Nizhny Novgorod Russian Federation
| | - Kseniya V. Tsys
- G. A. Razuvaev Institute of Organometallic Chemistry Russian Academy of Sciences Tropinina str. 49 603950 Nizhny Novgorod Russian Federation
| | - Andrey G. Starikov
- Institute of Physical and Organic Chemistry at Southern Federal University Stachka Avenue 194/2 344090 Rostov‐on‐Don Russian Federation
| | - Klaus Jurkschat
- Fakultät für Chemie und Chemische Biologie Technische Universität Dortmund 44221 Dortmund Germany
| | - Evgeny V. Baranov
- G. A. Razuvaev Institute of Organometallic Chemistry Russian Academy of Sciences Tropinina str. 49 603950 Nizhny Novgorod Russian Federation
| | - Adam I. Stash
- 28 Vavilova str. A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences ‐1 Moscow 119991, GSP Russian Federation
| | - Georgy K. Fukin
- G. A. Razuvaev Institute of Organometallic Chemistry Russian Academy of Sciences Tropinina str. 49 603950 Nizhny Novgorod Russian Federation
| |
Collapse
|
46
|
Wang Y, Eichhöfer A, Weigend F, Fenske D, Fuhr O. The coordination behavior of 2,3-bis(diphenylphosphino)maleic-N-phenylimide towards copper, silver, gold and palladium. Dalton Trans 2019; 48:6863-6871. [DOI: 10.1039/c8dt05003a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In the coordination sphere of copper, silver and palladium 2,3-bis(diphenylphosphino)maleic-N-phenylimide can act as a radical, non-innocent ligand.
Collapse
Affiliation(s)
- Yingxia Wang
- Lehn Institute of Functional Materials (LIFM)
- Sun Yat-Sen University
- Guangzhou 510275
- China
- Institut für Nanotechnologie (INT)
| | - Andreas Eichhöfer
- Lehn Institute of Functional Materials (LIFM)
- Sun Yat-Sen University
- Guangzhou 510275
- China
- Institut für Nanotechnologie (INT)
| | - Florian Weigend
- Institut für Nanotechnologie (INT)
- Karlsruher Institut für Technologie (KIT)
- 76344 Eggenstein-Leopoldshafen
- Germany
| | - Dieter Fenske
- Lehn Institute of Functional Materials (LIFM)
- Sun Yat-Sen University
- Guangzhou 510275
- China
- Institut für Nanotechnologie (INT)
| | - Olaf Fuhr
- Lehn Institute of Functional Materials (LIFM)
- Sun Yat-Sen University
- Guangzhou 510275
- China
- Institut für Nanotechnologie (INT)
| |
Collapse
|
47
|
Ershova IV, Smolyaninov IV, Bogomyakov AS, Fedin MV, Starikov AG, Cherkasov AV, Fukin GK, Piskunov AV. Tetrahedral nickel(ii) and cobalt(ii) bis-o-iminobenzosemiquinonates. Dalton Trans 2019; 48:10723-10732. [DOI: 10.1039/c9dt01424a] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The first examples of tetrahedral nickel(ii) and cobalt(ii) bis-o-iminobenzosemiquinonates.
Collapse
Affiliation(s)
- Irina V. Ershova
- G. A. Razuvaev Institute of Organometallic Chemistry of Russian Academy of Sciences
- 603950 Nizhny Novgorod
- Russian Federation
| | - Ivan V. Smolyaninov
- Southern Scientific Center of Russian Academy of Sciences
- 344006 Rostov on Don
- Russian Federation
| | - Artem S. Bogomyakov
- International Tomography Center
- Siberian Branch of the Russian Academy of Sciences
- 630090 Novosibirsk
- Russian Federation
| | - Matvey V. Fedin
- International Tomography Center
- Siberian Branch of the Russian Academy of Sciences
- 630090 Novosibirsk
- Russian Federation
| | - Andrey G. Starikov
- Institute of Physical and Organic Chemistry at Southern Federal University
- 344090 Rostov-on-Don
- Russian Federation
| | - Anton V. Cherkasov
- G. A. Razuvaev Institute of Organometallic Chemistry of Russian Academy of Sciences
- 603950 Nizhny Novgorod
- Russian Federation
| | - Georgy K. Fukin
- G. A. Razuvaev Institute of Organometallic Chemistry of Russian Academy of Sciences
- 603950 Nizhny Novgorod
- Russian Federation
| | - Alexandr V. Piskunov
- G. A. Razuvaev Institute of Organometallic Chemistry of Russian Academy of Sciences
- 603950 Nizhny Novgorod
- Russian Federation
| |
Collapse
|
48
|
Petrov PA, Sukhikh TS, Nadolinny VA, Bogomyakov AS, Laricheva YA, Piskunov AV. Di- tert-butylcatecholate derivatives of titanocene. NEW J CHEM 2019. [DOI: 10.1039/c9nj00771g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Titanocene dichloride reacts with sodium 3,5-di-tert-butyl-catecholate to give the mixed-valence binuclear Ti(iii,iv) complex Cp2Ti(μ-Cat35)2TiCp.
Collapse
Affiliation(s)
- Pavel A. Petrov
- Nikolaev Institute of Inorganic Chemistry
- Siberian Branch of Russian Academy of Sciences
- 630090 Novosibirsk
- Russia
- Novosibirsk State University
| | - Taisiya S. Sukhikh
- Nikolaev Institute of Inorganic Chemistry
- Siberian Branch of Russian Academy of Sciences
- 630090 Novosibirsk
- Russia
- Novosibirsk State University
| | - Vladimir A. Nadolinny
- Nikolaev Institute of Inorganic Chemistry
- Siberian Branch of Russian Academy of Sciences
- 630090 Novosibirsk
- Russia
| | - Artem S. Bogomyakov
- International Tomography Centre
- Siberian Branch of Russian Academy of Sciences
- Novosibirsk
- Russia
| | - Yuliya A. Laricheva
- Nikolaev Institute of Inorganic Chemistry
- Siberian Branch of Russian Academy of Sciences
- 630090 Novosibirsk
- Russia
| | - Alexandr V. Piskunov
- G.A. Razuvaev Institute of Organometallic Chemistry
- Russian Academy of Sciences
- Nizhny Novgorod
- Russia
| |
Collapse
|
49
|
Tsys KV, Chegerev MG, Fukin GK, Piskunov AV. Stable O,N-heterocyclic plumbylenes bearing sterically hindered o-amidophenolate ligands. MENDELEEV COMMUNICATIONS 2018. [DOI: 10.1016/j.mencom.2018.09.026] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|