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Molecular dynamics of NH3 induced by core-electron excitation.

Physical chemistry chemical physics : PCCP

Walsh N, Sankari A, Laksman J, Andersson T, Oghbaie S, Afaneh F, Månsson EP, Gisselbrecht M, Sorensen SL.
PMID: 26129695
Phys Chem Chem Phys. 2015 Jul 15;17(29):18944-52. doi: 10.1039/c5cp02959g.

Nuclear motion in the N1s(-1)4a core-excited state of ammonia is investigated by studying the angular anisotropy of fragments produced in the decay of the highly excited molecule and compared with predictions from ab initio calculations. Two different fragmentation channels...

Dithiafulvenyl-Extended N-Heterotriangulenes and Their Interaction with C.

Chemistry (Weinheim an der Bergstrasse, Germany)

Gliemann BD, Strauss V, Hitzenberger JF, Dral PO, Hampel F, Gisselbrecht JP, Drewello T, Thiel W, Guldi DM, Kivala M.
PMID: 28574611
Chemistry. 2017 Sep 07;23(50):12353-12362. doi: 10.1002/chem.201701625. Epub 2017 Aug 01.

We describe the synthesis as well as the electronic and photophysical characterization of novel N-heterotriangulene derivatives decorated with methoxycarbonyl- and methyl-sulfanyl-substituted dithiafulvenyl moieties. The association of these electron-rich compounds with fullerene C

Synthesis and properties of arylvinylidene-bridged triphenylamines.

The Journal of organic chemistry

Hammer N, Shubina TE, Gisselbrecht JP, Hampel F, Kivala M.
PMID: 25603313
J Org Chem. 2015 Feb 20;80(4):2418-24. doi: 10.1021/jo502605e. Epub 2015 Feb 03.

A series of arylvinylidene-bridged triphenylamines were efficiently synthesized through the thionation/Barton-Kellogg olefination sequence from their corresponding carbonyl precursors. The electrochemical investigations identified these highly distorted scaffolds as fairly strong electron donors capable of several reversible oxidation steps with the...

Pi-electron conjugation effects in antiaromatic dehydro[12]- and aromatic dehydro[18]-annulenes.

Chemical communications (Cambridge, England)

Mitzel F, Boudon C, Gisselbrecht JP, Gross M, Diederich F.
PMID: 12430420
Chem Commun (Camb). 2002 Oct 21;(20):2318-9. doi: 10.1039/b208115f.

N,N-Dimethylanilino-substituted perethynylated dehydro[12]- and dehydro[18]-annulenes were prepared by oxidative acetylenic coupling of cis-bisdeprotected tetraethynylethene derivatives obtained by a new photochemical route; they display strongly bathochromically shifted longest-wavelength absorption bands compared to their silyl-substituted counterparts resulting from efficient intramolecular charge-transfer...

Tetrathiafulvalene-acetylene scaffolding: new pi-electron systems for advanced materials.

Chemical communications (Cambridge, England)

Nielsen MB, Moonen NN, Boudon C, Gisselbrecht JP, Seiler P, Gross M, Diederich F.
PMID: 12240345
Chem Commun (Camb). 2001 Sep 21;(18):1848-9.

Novel extended tetrathiafulvalenes (TTFs) with hexa-2,4-diyne-1,6-diylidene spacers between the two 1,3-dithiole rings and laterally appended alkynyl moieties for one- and two-dimensional scaffolding were synthesised and investigated for their electronic properties.

Electrochemical and Spectral Characterization of Iron Corroles in High and Low Oxidation States: First Structural Characterization of an Iron(IV) Tetrapyrrole pi Cation Radical.

Inorganic chemistry

Caemelbecke EV, Will S, Autret M, Adamian VA, Lex J, Gisselbrecht JP, Gross M, Vogel E, Kadish KM.
PMID: 11666183
Inorg Chem. 1996 Jan 03;35(1):184-192.

The electrochemistry and spectroscopic properties of three iron corroles were examined in benzonitrile, dichloromethane, and pyridine containing 0.1 M tetra-n-butylammonium perchlorate or tetra-n-ethylammonium hexafluorophosphate as supporting electrolyte. The investigated compounds are represented as (OEC)Fe(IV)(C(6)H(5)), (OEC)Fe(IV)Cl, and (OEC)Fe(III)(py), where OEC...

Photon energy dependence of fragmentation of small argon clusters.

The Journal of chemical physics

Gisselbrecht M, Lindgren A, Tchaplyguine M, Burmeister F, Ohrwall G, Lundwall M, Lundin M, Marinho RR, Naves de Brito A, Svensson S, Björneholm O, Sorensen SL.
PMID: 16321082
J Chem Phys. 2005 Nov 15;123(19):194301. doi: 10.1063/1.2118527.

Photofragmentation of small argon clusters with size below ten atoms is reported. In this size range significant modifications from the electronic properties and geometry take place. When tuning the photon energy through the argon 2p edge, the fragmentation pattern...

Charge-transfer chromophores by cycloaddition-retro-electrocyclization: multivalent systems and cascade reactions.

Angewandte Chemie (International ed. in English)

Kivala M, Boudon C, Gisselbrecht JP, Seiler P, Gross M, Diederich F.
PMID: 17659520
Angew Chem Int Ed Engl. 2007;46(33):6357-60. doi: 10.1002/anie.200701733.

No abstract available.

Photodouble ionization dynamics for fixed-in-space H2.

Physical review letters

Gisselbrecht M, Lavollée M, Huetz A, Bolognesi P, Avaldi L, Seccombe DP, Reddish TJ.
PMID: 16712154
Phys Rev Lett. 2006 Apr 21;96(15):153002. doi: 10.1103/PhysRevLett.96.153002. Epub 2006 Apr 21.

The Coulomb explosion of the hydrogen molecule, after absorption of a 76 eV photon, has been studied by momentum imaging the two electrons and the two protons. Absolute fully differential cross sections of high statistical quality are obtained. A...

Property tuning in charge-transfer chromophores by systematic modulation of the spacer between donor and acceptor.

Chemistry (Weinheim an der Bergstrasse, Germany)

Bures F, Schweizer WB, May JC, Boudon C, Gisselbrecht JP, Gross M, Biaggio I, Diederich F.
PMID: 17304602
Chemistry. 2007;13(19):5378-87. doi: 10.1002/chem.200601735.

A series of donor-acceptor chromophores was prepared in which the spacer separating 4-dimethylanilino (DMA) donor and C(CN)(2) acceptor moieties is systematically varied. All of the new push-pull systems, except 4 b, are thermally stable molecules. In series a, the...

The size of neutral free clusters as manifested in the relative bulk-to-surface intensity in core level photoelectron spectroscopy.

The Journal of chemical physics

Tchaplyguine M, Marinho RR, Gisselbrecht M, Schulz J, Mårtensson N, Sorensen SL, de Brito AN, Feifel R, Ohrwall G, Lundwall M, Svensson S, Björneholm O.
PMID: 15267295
J Chem Phys. 2004 Jan 01;120(1):345-56. doi: 10.1063/1.1630027.

A new approach for obtaining an estimate of the effective size of the free neutral clusters is proposed. The approach relies on an experimental measure of the surface and interior or "bulk" cluster atoms provided by the x-ray photoelectron...

Microthermoforming of flexible, not-buried hollow microstructures for chip-based life sciences applications.

IEE proceedings. Nanobiotechnology

Truckenmüller R, Giselbrecht S.
PMID: 16475862
IEE Proc Nanobiotechnol. 2004 Aug;151(4):163-6. doi: 10.1049/ip-nbt:20040823.

A new method is presented for the manufacturing of flexible, not buried and thin-walled hollow microstructures from polymer films. This low-cost method seems to be especially suited for the fabrication of plastic microstructures for fluidic one-way applications in the...

Showing 1 to 12 of 142 entries