1
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Potempa K, Deresz KA, Jankowska J, Jarzembska KN, Krówczyński A, Mikhailov A, Schaniel D, Kamiński R. Interrelations between Linkage Isomers of an Efficient Square-planar Nickel(II) Nitrite Photoswitch in the Solid State. Chemistry 2023; 29:e202302629. [PMID: 37723126 DOI: 10.1002/chem.202302629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Revised: 09/11/2023] [Accepted: 09/18/2023] [Indexed: 09/20/2023]
Abstract
An efficient nitrite nickel(II) photoswitch, with the 1-phenyl-2-hydroxyimino-3-[(2'-dimethylamino)ethyl]imino-1-propanone moiety used as the ancillary ligand, is reported. In the ground-state ('dark') crystal structure, the studied compound exists predominantly as the nitro-(η1 -N(O)2 ) isomer, however, traces of the exo- and endo-nitrito-(η1 -ONO) forms are detected both at 100 K (4-5 % each) and under ambient conditions (~9 % each). When excited with the 405-530 nm LED light, the nitro-to-nitrito isomerization takes place. The total conversion exceeds 90 %. The exo-nitrito linkage isomer constitutes the dominant photo-generated form, whereas the relative population of both nitrito species depends on temperature. The reaction is fully reversible and reproducible. The photo-products are stable up to 200 K. The system constitutes a good model case for the reaction mechanism studies. Thus, experimental and theoretical investigations on the photo-isomerism were conducted and are presented in detail. Eventually, the nitro→exo-nitrito→endo-nitrito reaction pathway is proposed.
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Affiliation(s)
- Kinga Potempa
- Department of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089, Warsaw, Poland
| | - Krystyna A Deresz
- Department of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089, Warsaw, Poland
| | - Joanna Jankowska
- Department of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089, Warsaw, Poland
- Department of Chemistry, University of Warsaw, Pasteura 1, 02-093, Warsaw, Poland
| | - Katarzyna N Jarzembska
- Department of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089, Warsaw, Poland
| | - Adam Krówczyński
- Department of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089, Warsaw, Poland
| | | | | | - Radosław Kamiński
- Department of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089, Warsaw, Poland
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2
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Chelidamic acid tautomers in copper(II) compounds. One-pot synthesis, crystal structure, spectroscopic and DFT studies. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.116210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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3
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Borowski P, Kutniewska SE, Kamiński R, Krówczyński A, Schaniel D, Jarzembska KN. Exploring Photoswitchable Properties of Two Nitro Nickel(II) Complexes with ( N, N, O)-Donor Ligands and Their Copper(II) Analogues. Inorg Chem 2022; 61:6624-6640. [PMID: 35430817 PMCID: PMC9066408 DOI: 10.1021/acs.inorgchem.2c00526] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Patryk Borowski
- Department of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Sylwia E. Kutniewska
- Department of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Radosław Kamiński
- Department of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Adam Krówczyński
- Department of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
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4
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Durka K, Marek‐Urban PH, Nowicki K, Drapała J, Jarzembska KN, Łaski P, Grzelak A, Dąbrowski M, Woźniak K, Luliński S. Expedient Synthesis of Oxaboracyclic Compounds Based on Naphthalene and Biphenyl Backbone and Phase‐Dependent Luminescence of their Chelate Complexes. Chemistry 2022; 28:e202104492. [DOI: 10.1002/chem.202104492] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Indexed: 12/20/2022]
Affiliation(s)
- Krzysztof Durka
- Faculty of Chemistry Warsaw University of Technology Noakowskiego 3 00-664 Warsaw Poland
| | - Paulina H. Marek‐Urban
- Faculty of Chemistry Warsaw University of Technology Noakowskiego 3 00-664 Warsaw Poland
- Department of Chemistry University of Warsaw Żwirki i Wigury 101 02-089 Warsaw Poland
| | - Krzysztof Nowicki
- Faculty of Chemistry Warsaw University of Technology Noakowskiego 3 00-664 Warsaw Poland
| | - Jakub Drapała
- Faculty of Chemistry Warsaw University of Technology Noakowskiego 3 00-664 Warsaw Poland
| | | | - Piotr Łaski
- Department of Chemistry University of Warsaw Żwirki i Wigury 101 02-089 Warsaw Poland
| | - Aleksandra Grzelak
- Faculty of Chemistry Warsaw University of Technology Noakowskiego 3 00-664 Warsaw Poland
| | - Marek Dąbrowski
- Faculty of Chemistry Warsaw University of Technology Noakowskiego 3 00-664 Warsaw Poland
| | - Krzysztof Woźniak
- Department of Chemistry University of Warsaw Żwirki i Wigury 101 02-089 Warsaw Poland
| | - Sergiusz Luliński
- Faculty of Chemistry Warsaw University of Technology Noakowskiego 3 00-664 Warsaw Poland
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5
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Maranda-Niedbała A, Krzyżewska K, Kotwica K, Skórka Ł, Drapała J, Jarzembska KN, Zagórska M, Proń A, Nowakowski R. 9,10-Anthraquinones Disubstituted with Linear Alkoxy Groups: Spectroscopy, Electrochemistry, and Peculiarities of Their 2D and 3D Supramolecular Organizations. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:15048-15063. [PMID: 33271019 PMCID: PMC7745534 DOI: 10.1021/acs.langmuir.0c02586] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 11/20/2020] [Indexed: 06/12/2023]
Abstract
Spectroscopic, electrochemical, and structural properties of 2,6-dialkoxy-9,10-anthraquinones (Anth-OCn, n = 4, 6, 8, 10, and 12) of increasing alkoxy substituents length were investigated. UV-vis spectroscopy showed a substitution-induced bathochromic shift of the least energetic band from 325 nm in the case of unsubstituted anthraquinone to ca. 350 nm for the studied derivatives. Similarly as unsubstituted anthraquinone, the studied compound showed two reversible one electron reductions to a radical anion and spinless anions, respectively. The first reduction was affected by electron-donating properties of the substituents, its potential being shifted to ca. -1.5 V (vs Fc/Fc+), i.e., by 80 to 95 mV as compared to the case of unsubstituted anthraquinone. This corresponded to a decrease of |EA| from 3.27 to 3.19-3.17 eV. The experimental spectroscopic and electrochemical data were in full agreement with the DFT calculations. The introduction of the alkoxy substituent improved solution processibility of the studied compounds and facilitated the formation of their ordered supramolecular 2D aggregation on HOPG as well as single crystal growth from solutions. Comparative structural investigations carried out on single crystals and monolayers deposited on HOPG revealed two, mutually related, effects of the substituent length on the resulting supramolecular organization. The first one concerns both the 2D organization in the monolayers and 3D molecular arrangement in crystals: increasing substituent length evolution of the structure occurs from herringbone-type to lamellar. The second effect, observed in monolayers of the derivatives with longer substituents, concerns gradual evolution of their lamellar structures with increasing substituent length. This evolution is induced by the structure of the graphite substrate and involves increasing correlation of the molecules orientation (anthraquinone cores as well as alkoxy substituents) with the symmetry of the graphite substrate. As a result, their 2D and 3D structures become dissimilar.
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Affiliation(s)
| | - Klaudyna Krzyżewska
- Institute
of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warszawa, Poland
| | - Kamil Kotwica
- Institute
of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warszawa, Poland
- Warsaw
University of Technology, Faculty of Chemistry, Noakowskiego 3, 00-664 Warszawa, Poland
| | - Łukasz Skórka
- Warsaw
University of Technology, Faculty of Chemistry, Noakowskiego 3, 00-664 Warszawa, Poland
| | - Jakub Drapała
- Warsaw
University of Technology, Faculty of Chemistry, Noakowskiego 3, 00-664 Warszawa, Poland
- University
of Warsaw, Department of Chemistry, Żwirki i Wigury 101, 02-089 Warszawa, Poland
| | | | - Małgorzata Zagórska
- Warsaw
University of Technology, Faculty of Chemistry, Noakowskiego 3, 00-664 Warszawa, Poland
| | - Adam Proń
- Warsaw
University of Technology, Faculty of Chemistry, Noakowskiego 3, 00-664 Warszawa, Poland
| | - Robert Nowakowski
- Institute
of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warszawa, Poland
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Kutniewska SE, Krówczyński A, Kamiński R, Jarzembska KN, Pillet S, Wenger E, Schaniel D. Photocrystallographic and spectroscopic studies of a model (N,N,O)-donor square-planar nickel(II) nitro complex: in search of high-conversion and stable photoswitchable materials. IUCRJ 2020; 7:1188-1198. [PMID: 33209329 PMCID: PMC7642791 DOI: 10.1107/s205225252001307x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 09/27/2020] [Indexed: 06/11/2023]
Abstract
A new, cheap, easy-to-synthesize and air-stable photoswitchable nickel(II) complex, QTNiNO2, is reported. The metal centre in QTNiNO2 is coordinated by a nitro group and a [2-methyl-8-amino-quinoline]-1-tetralone ligand. The compound crystallizes in the tetragonal space group I41/a with one complex molecule comprising the asymmetric unit, and the crystals are stable under ambient conditions. Irradiation of the solid-state form of QTNiNO2 with 530-660 nm LED light at 160 K converts the ambidentate nitro moiety fully to the nitrito linkage isomer which is stable up to around 230 K, as indicated by IR spectroscopy measurements. The structures of all species present in the examined crystals and their thermal stability were confirmed via X-ray multi-temperature and photocrystallographic experiments. The impact of temperature on the (photo)isomerization reaction taking place in a single crystal was additionally investigated. The experimental results are supported by computational analyses of crystal packing and intermolecular interactions that influence the isomerization process studied.
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Affiliation(s)
- Sylwia E. Kutniewska
- Department of Chemistry, University of Warsaw, Żwirki i Wigury 101, Warsaw 02-089, Poland
| | - Adam Krówczyński
- Department of Chemistry, University of Warsaw, Żwirki i Wigury 101, Warsaw 02-089, Poland
| | - Radosław Kamiński
- Department of Chemistry, University of Warsaw, Żwirki i Wigury 101, Warsaw 02-089, Poland
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7
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Kutniewska SE, Kamiński R, Buchowicz W, Jarzembska KN. Photo- and Thermoswitchable Half-Sandwich Nickel(II) Complex: [Ni(η5-C5H5)(IMes)(η1-NO2)]. Inorg Chem 2019; 58:16712-16721. [PMID: 31773953 DOI: 10.1021/acs.inorgchem.9b02836] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Sylwia E. Kutniewska
- Department of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Radosław Kamiński
- Department of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Włodzimierz Buchowicz
- Department of Chemistry, Warsaw University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland
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8
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Rakov N, Guimarães RB, Maciel GS. Managing optical heating via Al 3+-doping in Er 3+:SrF 2 powder phosphors prepared by combustion synthesis. Dalton Trans 2019; 48:4589-4595. [PMID: 30882840 DOI: 10.1039/c8dt04194f] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Quenching of photoluminescence due to optical heating generated by high power laser sources has been identified as a major concern for photonics applications that relies on inorganic phosphor materials. Here we investigate how erbium-doped strontium fluoride (Er3+:SrF2) powders prepared by combustion synthesis respond to intense optical heating. We found that the near-infrared to visible photon up-conversion (UC) luminescence from Er3+ was quenched and the internal temperature of the sample increased from 298 to 695 K when the excitation power of a CW diode laser operating at 808 nm was increased from 0.1 to 2.1 W. However, when SrF2 was co-doped with Al3+, we observed an increase in the UC intensity and an unexpected internal temperature reduction of up to 155 K for an excitation power of 2.1 W. Our analysis suggests that Al3+ decreases the phonon energy and increases the local symmetry of the environment of the rare-earth ion in SrF2.
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Affiliation(s)
- Nikifor Rakov
- PG - Ciência dos Materiais, Universidade Federal do Vale do São Francisco, 48902-300 Juazeiro, BA, Brazil
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9
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On the Nature of Luminescence Thermochromism of Multinuclear Copper(I) Benzoate Complexes in the Crystalline State. CRYSTALS 2019. [DOI: 10.3390/cryst9010036] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
A model luminescent [(PhCO2)4Cu4] (Cu4) complex in the crystalline state was investigated via combined crystallographic and spectroscopic techniques contributed substantially by theoretical modelling. The complex appeared to exhibit luminescence thermochromism, i.e., red phosphorescence at room temperature which changes to green when lowering the temperature to 90 K. The low-energy emissive state was assigned as a cluster-centred triplet, 3CC. The emission from this state predicted in TDDFT (~635 nm) matches the experimental red band observed at 660–715 nm. In contrast, the nature of the high-energy “green” band was less straightforward. The next reached cluster-centred triplet excited state occurred to be energetically close to the experimental value of ~545 nm. The two excited states also exhibit significant metal-to-ligand and ligand-to-metal charge transfer characteristics, especially for solid-state distorted geometries. In both cases the cluster core was expected to become notably contracted when compared to the ground state. Time-resolved photocrystallographic results supported the computationally predicted core contraction upon excitation. Additionally, the differences between the spectroscopic behaviour of the related tetra- and hexanuclear copper(I) complexes, Cu4 and Cu6 (i.e., [(PhCO2)6Cu6]) in the crystalline state were discussed and examined. It appeared that crystal packing may constitute an important factor as far as the lack of luminescence thermochromism in the latter case is concerned. Synopsis: Structure–property relationships characterising a model luminescent [(PhCO2)4Cu4] (Cu4) complex in the crystalline state were investigated via combined crystallographic and spectroscopic techniques contributed by theoretical modelling, and compared with the properties of the related [(PhCO2)6Cu6] (Cu6) complex.
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10
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Jarzembska KN, Kamiński R, Dziubek KF, Citroni M, Paliwoda D, Durka K, Fanetti S, Bini R. Impact of High Pressure on Metallophilic Interactions and Its Consequences for Spectroscopic Properties of a Model Tetranuclear Silver(I)-Copper(I) Complex in the Solid State. Inorg Chem 2018; 57:8509-8520. [PMID: 29969254 DOI: 10.1021/acs.inorgchem.8b01196] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Structure-property relationships were investigated via combined high-pressure spectroscopic and X-ray diffraction techniques for a model luminescent Ag2Cu2L4 (L = 2-diphenylphosphino-3-methylindole) complex in the crystalline state. The experimental results were contributed by theoretical calculations, compared with the previously evaluated light-induced geometrical changes, and discussed in the context of available literature to date. To the best of our knowledge, this is the first study of this kind devoted to a coinage-metal complex for which the argentophilic interactions are crucial. High-pressure X-ray diffraction and optical spectroscopy experiments showed close correspondence between structural changes and optical properties. The unit-cell angles, absorption edges, emission maxima, decay lifetimes and silver-copper bond trends, all change around 2-3 GPa. A blue-shift to red-shift switch when increasing the pressure was observed for both absorption and emission spectra. This is unique behavior when compared to the literature-reported coinage metal systems. It also occurred that the pressure-induced structural changes differ notably from the geometrical distortions observed for the excited state. Interestingly, shortening of the Ag-Ag bond itself does not ensure the red shift of the absorption and emission spectra. All the optical spectroscopy data are suggestive of an important role of defects, likely related to the lack of a hydrostatic pressure transmitting medium, for pressures higher than 3 GPa.
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Affiliation(s)
- Katarzyna N Jarzembska
- Department of Chemistry , University of Warsaw , Żwirki i Wigury 101 , 02-089 Warsaw , Poland
| | - Radosław Kamiński
- Department of Chemistry , University of Warsaw , Żwirki i Wigury 101 , 02-089 Warsaw , Poland
| | - Kamil F Dziubek
- LENS - European Laboratory for Non-linear Spectroscopy , via N. Carrara 1 , 50019 Sesto Fiorentino , Italy.,Department of Chemistry , Adam Mickiewicz University , Umultowska 89b , 61-614 Poznań , Poland
| | - Margherita Citroni
- LENS - European Laboratory for Non-linear Spectroscopy , via N. Carrara 1 , 50019 Sesto Fiorentino , Italy.,"Ugo Schiff" Department of Chemistry , University of Florence , via della Lastruccia 3 , 50019 Sesto Fiorentino , Italy
| | - Damian Paliwoda
- Department of Chemistry , Lehigh University , 6 East Packer Avenue , Bethlehem , Pennsylvania 18015 , United States
| | - Krzysztof Durka
- Department of Chemistry , Warsaw University of Technology , Noakowskiego 3 , 00-664 Warsaw , Poland
| | - Samuele Fanetti
- LENS - European Laboratory for Non-linear Spectroscopy , via N. Carrara 1 , 50019 Sesto Fiorentino , Italy.,"Ugo Schiff" Department of Chemistry , University of Florence , via della Lastruccia 3 , 50019 Sesto Fiorentino , Italy
| | - Roberto Bini
- LENS - European Laboratory for Non-linear Spectroscopy , via N. Carrara 1 , 50019 Sesto Fiorentino , Italy.,"Ugo Schiff" Department of Chemistry , University of Florence , via della Lastruccia 3 , 50019 Sesto Fiorentino , Italy.,Institute for the Chemistry of Organometallic Compounds , Italian National Council for Research, CNR-ICCOM , via Madonna del Piano 10 , 50019 Sesto Fiorentino , Italy
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11
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Jarzembska KN, Kamiński R, Durka K, Woźniak K. Ground-State Charge-Density Distribution in a Crystal of the Luminescent ortho-Phenylenediboronic Acid Complex with 8-Hydroxyquinoline. J Phys Chem A 2018; 122:4508-4520. [PMID: 29672046 DOI: 10.1021/acs.jpca.8b00832] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
This contribution is devoted to the first electron density studies of a luminescent oxyquinolinato boron complex in the solid state. ortho-Phenylenediboronic acid mixed with 8-hydroxyquinoline in dioxane forms high-quality single crystals via slow solvent evaporation, which allows successful high resolution data collection (sin θ/λ = 1.2 Å-1) and charge density distribution modeling. Particular attention has been paid to the boron-oxygen fragment connecting the two parts of the complex, and to the solvent species exhibiting anharmonic thermal motion. The experiment and theory compared rather well in terms of atomic charges and volumes, except for the boron centers. Boron atoms, as expected, constitute the most electron-deficient species in the complex molecule, whereas the neighboring oxygen and carbon atoms are the most significantly negatively charged ones. This part of the molecule appears to be very much involved in the charge transfer occurring between the acid fragment and oxyquinoline moiety leading to the observed fluorescence, as supported by the time-dependent density functional theory (TDDFT) results and the generated transition density maps. TDDFT calculations indicated that p-type atomic orbitals contributing to the HOMO-1, HOMO, and LUMO play the major role in the lowest energy transitions, and enabled further comparison with the charge density features, which is discussed in details. Furthermore, the results confirmed the known fact the Q ligand character is most important for the spectroscopic properties of this class of complexes.
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Affiliation(s)
- Katarzyna N Jarzembska
- Department of Chemistry , University of Warsaw , Żwirki i Wigury 101 , 02-089 Warsaw , Poland
| | - Radosław Kamiński
- Department of Chemistry , University of Warsaw , Żwirki i Wigury 101 , 02-089 Warsaw , Poland
| | - Krzysztof Durka
- Department of Chemistry , Warsaw University of Technology , Noakowskiego 3 , 00-664 Warsaw , Poland
| | - Krzysztof Woźniak
- Biological and Chemical Research Centre, Department of Chemistry , University of Warsaw , Żwirki i Wigury 101 , 02-089 Warsaw , Poland
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12
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Jarzembska KN, Řlepokura K, Kamiński R, Gutmann MJ, Dominiak PM, Woźniak K. Multi-temperature study of potassium uridine-5'-monophosphate: electron density distribution and anharmonic motion modelling. ACTA CRYSTALLOGRAPHICA SECTION B, STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS 2017; 73:550-564. [PMID: 28762967 DOI: 10.1107/s2052520617005534] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Accepted: 04/12/2017] [Indexed: 06/07/2023]
Abstract
Uridine, a nucleoside formed of a uracil fragment attached to a ribose ring via a β-N1-glycosidic bond, is one of the four basic components of ribonucleic acid. Here a new anhydrous structure and experimental charge density distribution analysis of a uridine-5'-monophosphate potassium salt, K(UMPH), is reported. The studied case constitutes the very first structure of a 5'-nucleotide potassium salt according to the Cambridge Structural Database. The excellent crystal quality allowed the collection of charge density data at various temperatures, i.e. 10, 100, 200 and 300 K on one single crystal. Crystal structure and charge density data were analysed thoroughly in the context of related literature-reported examples. Detailed analysis of the charge density distribution revealed elevated anharmonic motion of part of the uracil ring moiety relatively weakly interacting with the neighbouring species. The effect was manifested by alternate positive and negative residual density patterns observed for these atoms, which `disappear' at low temperature. It also occurred that the potassium cation, quite uniformly coordinated by seven O atoms from all molecular fragments of the UMPH- anion, including the O atom from the ribofuranose ring, can be treated as spherical in the charge density model which was supported by theoretical calculations. Apart from the predominant electrostatic interactions, four relatively strong hydrogen bond types further support the stability of the crystal structure. This results in a compact and quite uniform structure (in all directions) of the studied crystal, as opposed to similar cases with layered architecture reported in the literature.
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Affiliation(s)
- Katarzyna N Jarzembska
- Department of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Katarzyna Řlepokura
- Department of Chemistry, University of Wrocław, Joliot-Curie 14, 50-383 Wrocław, Poland
| | - Radosław Kamiński
- Department of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Matthias J Gutmann
- ISIS Neutron and Muon Source, Science and Technology Facilities Council, Rutherford Appleton Laboratory, Harwell Campus, Didcot, Oxfordshire OX11 0QX, England
| | - Paulina M Dominiak
- Biological and Chemical Research Centre, Department of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Krzysztof Woźniak
- Biological and Chemical Research Centre, Department of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
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13
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Wilk-Kozubek M, Jarzembska KN, Janczak J, Videnova-Adrabinska V. Synthesis, structural characterization and computational studies of catena-poly[chlorido[μ 3-(pyridin-1-ium-3-yl)phosphonato-κ 3O:O':O'']zinc(II)]. ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY 2017; 73:363-368. [PMID: 28469061 DOI: 10.1107/s2053229617004478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Accepted: 03/21/2017] [Indexed: 11/10/2022]
Abstract
Coordination polymers are constructed from two basic components, namely metal ions, or metal-ion clusters, and bridging organic ligands. Their structures may also contain other auxiliary components, such as blocking ligands, counter-ions and nonbonding guest or template molecules. The choice or design of a suitable linker is essential. The new title zinc(II) coordination polymer, [Zn(C5H5NO3P)Cl]n, has been hydrothermally synthesized and structurally characterized by single-crystal X-ray diffraction and vibrational spectroscopy (FT-IR and FT-Raman). Additionally, computational methods have been applied to derive quantitative information about interactions present in the solid state. The compound crystallizes in the monoclinic space group C2/c. The four-coordinated ZnII cation is in a distorted tetrahedral environment, formed by three phosphonate O atoms from three different (pyridin-1-ium-3-yl)phosphonate ligands and one chloride anion. The ZnII ions are extended by phosphonate ligands to generate a ladder chain along the [001] direction. Adjacent ladders are held together via N-H...O hydrogen bonds and offset face-to-face π-π stacking interactions, forming a three-dimensional supramolecular network with channels. As calculated, the interaction energy between the neighbouring ladders is -115.2 kJ mol-1. In turn, the cohesive energy evaluated per asymmetric unit-equivalent fragment of a polymeric chain in the crystal structure is -205.4 kJ mol-1. This latter value reflects the numerous hydrogen bonds stabilizing the three-dimensional packing of the coordination chains.
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Affiliation(s)
- Magdalena Wilk-Kozubek
- Department of Chemistry, Wrocław University of Science and Technology, 27 Wybrzeże Wyspiańskiego Street, 50-370 Wrocław, Poland
| | - Katarzyna N Jarzembska
- Department of Chemistry, University of Warsaw, 101 Żwirki i Wigury Street, 02-089 Warsaw, Poland
| | - Jan Janczak
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, PO Box 1410, 2 Okólna Street, 50-950 Wrocław, Poland
| | - Veneta Videnova-Adrabinska
- Department of Chemistry, Wrocław University of Science and Technology, 27 Wybrzeże Wyspiańskiego Street, 50-370 Wrocław, Poland
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14
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Domagała S, Haynes DA. Experimental and theoretical charge density assessments for the 4-perfluoropyridyl- and 4-perflurophenyl-1,2,3,5-dithiadiazolyl radicals. CrystEngComm 2016. [DOI: 10.1039/c6ce01095d] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Chen Y, Jarzembska KN, Trzop E, Zhang L, Coppens P. How Does Substitutional Doping Affect Visible Light Absorption in a Series of Homodisperse Ti
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Polyoxotitanate Nanoparticles? Chemistry 2015; 21:11538-44. [DOI: 10.1002/chem.201500961] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Indexed: 11/12/2022]
Affiliation(s)
- Yang Chen
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, NY 14260‐3000 (USA)
| | | | - Elżbieta Trzop
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, NY 14260‐3000 (USA)
| | - Lei Zhang
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, NY 14260‐3000 (USA)
| | - Philip Coppens
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, NY 14260‐3000 (USA)
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Jarzembska KN, Kamiński R, Fournier B, Trzop E, Sokolow JD, Henning R, Chen Y, Coppens P. Shedding light on the photochemistry of coinage-metal phosphorescent materials: a time-resolved Laue diffraction study of an Ag(I)-Cu(I) tetranuclear complex. Inorg Chem 2014; 53:10594-601. [PMID: 25238405 PMCID: PMC4315237 DOI: 10.1021/ic501696y] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
The triplet excited state of a new crystalline form of a tetranuclear coordination d(10)-d(10)-type complex, Ag2Cu2L4 (L = 2-diphenylphosphino-3-methylindole ligand), containing Ag(I) and Cu(I) metal centers has been explored using the Laue pump-probe technique with ≈80 ps time resolution. The relatively short lifetime of 1 μs is accompanied by significant photoinduced structural changes, as large as the Ag1···Cu2 distance shortening by 0.59(3) Å. The results show a pronounced strengthening of the argentophilic interactions and formation of new Ag···Cu bonds on excitation. Theoretical calculations indicate that the structural changes are due to a ligand-to-metal charge transfer (LMCT) strengthening the Ag···Ag interaction, mainly occurring from the methylindole ligands to the silver metal centers. QM/MM optimizations of the ground and excited states of the complex support the experimental results. Comparison with isolated molecule optimizations demonstrates the restricting effect of the crystalline matrix on photoinduced distortions. The work represents the first time-resolved Laue diffraction study of a heteronuclear coordination complex and provides new information on the nature of photoresponse of coinage metal complexes, which have been the subject of extensive studies.
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Affiliation(s)
- Katarzyna N. Jarzembska
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260-3000, United States
- Department of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warszawa, Poland
| | - Radosław Kamiński
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260-3000, United States
| | - Bertrand Fournier
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260-3000, United States
| | - Elżbieta Trzop
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260-3000, United States
| | - Jesse D. Sokolow
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260-3000, United States
| | - Robert Henning
- Consortium for Advanced Radiation Sources, University of Chicago, Chicago, Illinois 60637, United States
| | - Yang Chen
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260-3000, United States
| | - Philip Coppens
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260-3000, United States
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Jarzembska KN, Kamiński R, Dobrzycki Ł, Cyrański MK. First experimental charge density study using a Bruker CMOS-type PHOTON 100 detector: the case of ammonium tetraoxalate dihydrate. ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE CRYSTAL ENGINEERING AND MATERIALS 2014; 70:847-55. [DOI: 10.1107/s2052520614017570] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2014] [Accepted: 07/30/2014] [Indexed: 03/19/2023]
Abstract
The aim of this study was to test the applicability of a Bruker AXS CMOS-type PHOTON 100 detector for the purpose of a fine charge density quality data collection. A complex crystal containing oxalic acid, ammonium oxalate and two water molecules was chosen as a test case. The data was collected up to a resolution of 1.31 Å−1with high completeness (89.1%;Rmrg= 0.0274). The multipolar refinement and subsequent quantum theory of atoms in molecules (QTAIM) analysis resulted in a comprehensive description of the charge density distribution in the crystal studied. The residual density maps are flat and almost featureless. It was possible to derive reliable information on intermolecular interactions to model the anharmonic motion of a water molecule, and also to observe the fine details of the charge density distribution, such as polarization on O and H atoms involved in the strongest hydrogen bonds. When compared with our previous statistical study on oxalic acid data collected with the aid of CCD cameras, the complementary metal-oxide semiconductor (CMOS) detector can certainly be classified as a promising alternative in advanced X-ray diffraction studies.
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Kamiński R, Domagała S, Jarzembska KN, Hoser AA, Sanjuan-Szklarz WF, Gutmann MJ, Makal A, Malińska M, Bąk JM, Woźniak K. Statistical analysis of multipole-model-derived structural parameters and charge-density properties from high-resolution X-ray diffraction experiments. ACTA CRYSTALLOGRAPHICA A-FOUNDATION AND ADVANCES 2013; 70:72-91. [DOI: 10.1107/s2053273313028313] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2013] [Accepted: 10/15/2013] [Indexed: 11/10/2022]
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