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View article: Ligand Design Enables the Palladium-Catalyzed Intermolecular Carbochlorocarbonylation of Alkynes and Cyclopentenone Formation
Ligand Design Enables the Palladium-Catalyzed Intermolecular Carbochlorocarbonylation of Alkynes and Cyclopentenone Formation Open
Herein, we demonstrate that ligand design enables the direct addition of acid chlorides across alkynes in a single step with complete atom economy to afford α,β-unsaturated acid chloride products. This carbochlorocarbonylation reaction, wh…
View article: Regiodivergent α- and β-Functionalization of Saturated <i>N</i>-Heterocycles by Photocatalytic Oxidation
Regiodivergent α- and β-Functionalization of Saturated <i>N</i>-Heterocycles by Photocatalytic Oxidation Open
Synthetic methods that provide access to two different types of products via a central intermediate are highly valuable but difficult to establish. Here, we present a photocatalytic, regiodivergent method for the functionalization of satur…
View article: Synthesis, Spectral Properties, Crystal Structure and DFT Studies of 2-((1-Phenyl-1H-1,2,3-triazol-4-yl)methoxy)benzonitrile
Synthesis, Spectral Properties, Crystal Structure and DFT Studies of 2-((1-Phenyl-1H-1,2,3-triazol-4-yl)methoxy)benzonitrile Open
2-((1-Phenyl-1 H -1,2,3-triazol-4-yl)methoxy)benzonitrile ( 3 ), was synthesized by scaffold Schiff base condensation reaction of 1,2,3-triazole ( 1 ) and then followed by its dehydration. The title compound was characterized by typical sp…
View article: Single and double photoionization of the Li-like <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msup><mml:mi mathvariant="normal">B</mml:mi><mml:mrow><mml:mn>2</mml:mn><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:math> ion: Strong ionization-excitation contributions
Single and double photoionization of the Li-like ion: Strong ionization-excitation contributions Open
Single and double photoionization of the Li-like B2+(1s22s2S) ion were studied both experimentally and theoretically in the energy range from approximately 250–1200 eV. The cross section σ23 for net single ionization in that range is domin…
View article: Regiodivergent α- and β-Functionalization of Saturated N-Heterocycles by Photocatalytic Oxidation
Regiodivergent α- and β-Functionalization of Saturated N-Heterocycles by Photocatalytic Oxidation Open
Synthetic methods that provide, via a central intermediate, access to two different types of products are highly valuable but difficult to establish. Here, we present a photocatalytic, regiodivergent method for the functionalization of sat…
View article: Direct double ionization of the He-like <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msup><mml:mi mathvariant="normal">B</mml:mi><mml:mrow><mml:mn>3</mml:mn><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:math> ion by a single photon
Direct double ionization of the He-like ion by a single photon Open
Within a joint experimental and theoretical research project, double photoionization of the He-like B3+ ion by a single photon was studied in the energy range from approximately 350 to 1160 eV. With the parent-ion beam in the experiment co…
View article: Peaceful Uses of Nuclear Energy in Less Industrialized Countries: Challenges, Opportunities, and Acceptance
Peaceful Uses of Nuclear Energy in Less Industrialized Countries: Challenges, Opportunities, and Acceptance Open
This paper introduces a holistic framework to assist less industrialized countries in adopting nuclear energy (NE) for peaceful purposes considering the challenges and opportunities this entails. It underscores the pressing need for sustai…
View article: <i>ETHos</i> – A Swiss‐Made Open‐Source Modular Photoreactor for Laboratory‐Scale Photochemical Reactions
<i>ETHos</i> – A Swiss‐Made Open‐Source Modular Photoreactor for Laboratory‐Scale Photochemical Reactions Open
The emergence of photoredox chemistry has enabled the development of previously inaccessible synthetic transformations. Despite the popularity of photoredox chemistry, commercial photoreactors remain expensive. As a result, most academic r…
View article: Peaceful Uses of Nuclear Energy in Less Industrialized Countries: Challenges, Opportunities, and Acceptance
Peaceful Uses of Nuclear Energy in Less Industrialized Countries: Challenges, Opportunities, and Acceptance Open
This paper introduces a holistic framework to assist less industrialized countries in adopting nuclear energy (NE) for peaceful purposes, amid the challenges and opportunities this entails. It underscores the pressing need for sustainable …
View article: Breit interaction in dielectronic recombination of hydrogenlike xenon ions: storage-ring experiment and theory
Breit interaction in dielectronic recombination of hydrogenlike xenon ions: storage-ring experiment and theory Open
Electron-ion collision spectroscopy of the KLL dielectronic recombination (DR) resonances of hydrogenlike xenon ions was performed at a heavy-ion storage ring with a resolving power that is competitive with x-ray spectroscopy of inner-shel…
View article: Experimental and theoretical total cross sections for single and double ionization of the open-4d-shell ions Xe$$^{12+}$$, Xe$$^{13+}$$, and Xe$$^{14+}$$ by electron impact
Experimental and theoretical total cross sections for single and double ionization of the open-4d-shell ions Xe$$^{12+}$$, Xe$$^{13+}$$, and Xe$$^{14+}$$ by electron impact Open
We present new experimental and theoretical cross sections for electron-impact single ionization of Xe $$^{12+}$$ and Xe $$^{13+}$$ ions, and double ionization of Xe $$^{12+}$$ , Xe $$^{13+}$$ and Xe $$^{14+}$$ ion…
View article: Isomer-specific photofragmentation of C<sub>3</sub>H<sub>3</sub><sup>+</sup> at the carbon K-edge
Isomer-specific photofragmentation of C<sub>3</sub>H<sub>3</sub><sup>+</sup> at the carbon K-edge Open
Individual fingerprints of different isomers of C 3 H 3 + cations have been identified by studying photoionization, photoexcitation, and photofragmentation of C 3 H 3 + near the carbon K-edge.
View article: Soft X-Ray-induced Dimerization of Methane
Soft X-Ray-induced Dimerization of Methane Open
Carbon 1s excitation of methane, CH 4 , has been studied in the gas phase using the ion trap integrated with the photon–ion instrument at PETRA III/DESY and soft X-rays from the beamline P04. The created photoions are stored within the ion…
View article: Cover Feature: Vibrationally Resolved Inner‐Shell Photoexcitation of the Molecular Anion C<sub>2</sub><sup>−</sup> (ChemPhysChem 11/2023)
Cover Feature: Vibrationally Resolved Inner‐Shell Photoexcitation of the Molecular Anion C<sub>2</sub><sup>−</sup> (ChemPhysChem 11/2023) Open
The Cover Feature The cover illustrates the application of the photon-ion merged-beams method to vibrationally-resolved inner-shell excitation of carbon dimer anions by synchrotron radiation. Cover design by Elisa Monte. More information c…
View article: Storage Ring Cross Section Measurements for Electron Impact Single and Double Ionization of Fe13+ and Single Ionization of Fe16+ and Fe17+
Storage Ring Cross Section Measurements for Electron Impact Single and Double Ionization of Fe13+ and Single Ionization of Fe16+ and Fe17+ Open
We report measurements of electron impact ionization (EII) for Fe^13+, Fe^16+, and Fe^17+ over collision energies from below threshold to above 3000 eV. The ions were recirculated using an ion storage ring. Data were collected after a suff…
View article: Vibrationally Resolved Inner‐Shell Photoexcitation of the Molecular Anion C<sub>2</sub><sup>−</sup>
Vibrationally Resolved Inner‐Shell Photoexcitation of the Molecular Anion C<sub>2</sub><sup>−</sup> Open
Carbon 1 s core‐hole excitation of the molecular anion C 2 − has been experimentally studied at high resolution by employing the photon‐ion merged‐beams technique at a synchrotron light source. The experimental cross section for photo–doub…
View article: CCDC 2215900: Experimental Crystal Structure Determination
CCDC 2215900: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2173128: Experimental Crystal Structure Determination
CCDC 2173128: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2173127: Experimental Crystal Structure Determination
CCDC 2173127: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2178561: Experimental Crystal Structure Determination
CCDC 2178561: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Multiple Photodetachment of Oxygen Anions via K-Shell Excitation and Ionization: Direct Double-Detachment Processes and Subsequent Deexcitation Cascades
Multiple Photodetachment of Oxygen Anions via K-Shell Excitation and Ionization: Direct Double-Detachment Processes and Subsequent Deexcitation Cascades Open
Experimental cross sections for m-fold photodetachment (m=2-5) of oxygen anions via K-shell excitation and ionization were measured in the photon-energy range of 525-1500 eV using the photon-ion merged-beams technique at a synchrotron ligh…
View article: Non-dipole anisotropy parameters in the photoionization of Kr in the region of deep inner shell excitations
Non-dipole anisotropy parameters in the photoionization of Kr in the region of deep inner shell excitations Open
The photoelectron angular distribution (PAD) of the Kr 4p1/2 and 4p3/2 fine structure states was measured with linearly polarized synchrotron radiation in the vicinity of the resonant excitations of the 3p subshell. Experimental dipole and…
View article: Near K-edge Photoionization and Photoabsorption of Singly, Doubly, and Triply Charged Silicon Ions
Near K-edge Photoionization and Photoabsorption of Singly, Doubly, and Triply Charged Silicon Ions Open
Experimental and theoretical results are presented for double, triple, and quadruple photoionization of Si + and Si 2+ ions and for double photoionization of Si 3+ ions by a single photon. The experiments employed the photon–ion merged-bea…
View article: X-Ray absorption spectroscopy of H<sub>3</sub>O<sup>+</sup>
X-Ray absorption spectroscopy of H<sub>3</sub>O<sup>+</sup> Open
We report the X-ray absorption spectra of isolated H 3 O + and H 2 O + cations at the O 1s edge.
View article: Laboratory X-ray Studies for Unraveling High-Resolution Celestial Spectra
Laboratory X-ray Studies for Unraveling High-Resolution Celestial Spectra Open
http://wwwxray.ess.sci.osaka-u.ac.jp/SuzakuMAXI2014/pdf/2014SM_conf_P144-P145.pdf
View article: Experimental studies on photoabsorption by endohedral fullerene ions with a focus on Xe@C<sub>60</sub> <sup>+</sup> confinement resonances
Experimental studies on photoabsorption by endohedral fullerene ions with a focus on Xe@C<sub>60</sub> <sup>+</sup> confinement resonances Open
A brief overview on the status of experimental investigations into photoionization and fragmentation of fullerenes and endohedral fullerenes by absorption of a single short-wavelength photon is presented. The focus of this paper is on the …
View article: CCDC 2039260: Experimental Crystal Structure Determination
CCDC 2039260: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Near L-edge Single and Multiple Photoionization of Doubly Charged Iron Ions
Near L-edge Single and Multiple Photoionization of Doubly Charged Iron Ions Open
Using the photon–ion merged-beams technique at a synchrotron light source, we have measured relative cross sections for single and up to five-fold photoionization of Fe 2+ ions in the energy range of 690–920 eV. This range contains thresho…