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List of works by Otto Dopfer

Ab initio study of the phenol‐water cation radical

Aromatic Charge Resonance Interaction Probed by Infrared Spectroscopy

scientific article published on 12 December 2018

Benzylium versus Tropylium Ion Dichotomy: Vibrational Spectroscopy of Gaseous C8H9+ Ions

scientific article published on 04 April 2012

Cation-Size Dependent Conformational Locking of Glutamic Acid by Alkali Ions: Infrared Photodissociation Spectroscopy of Cryogenic Ions.

scientific article published on 2 February 2018

Cation-π interactions in protonated phenylalkylamines

scientific article

Competing Insertion and External Binding Motifs in Hydrated Neurotransmitters: Infrared Spectra of Protonated Phenylethylamine Monohydrate

scientific article

Conformation of protonated glutamic acid at room and cryogenic temperatures

scientific article

Controlling internal degrees: general discussion

scientific article published on 01 July 2019

Correction: Size and shape dependent photoluminescence and excited state decay rates of diamondoids

scientific article

Deciphering environment effects in peptide bond solvation dynamics by experiment and theory.

scientific article published on 15 August 2017

Diastereo-specific conformational properties of neutral, protonated and radical cation forms of (1R,2S)-cis- and (1R,2R)-trans-amino-indanol by gas phase spectroscopy.

scientific article published on 24 April 2015

Dissipative wave packet dynamics of hydrophobic → hydrophilic site switching in phenol-Ar clusters

scientific article published on 01 September 2010

Dissociation energetics of the phenol(+)⋯Ar(2) cluster ion: The role of π→H isomerization.

scientific article published on October 2010

Dissociation energy of the ArHN+2 complex

Effect of alkali ions on optical properties of flavins: vibronic spectra of cryogenic M+lumichrome ions (M = Li-Cs) in the gas phase

scientific article published on 01 August 2018

Effect of alkali ions on optical properties of flavins: vibronic spectra of cryogenic M+lumiflavin complexes (M = Li-Cs)

scientific article published on 01 July 2019

Effects of Aromatic Fluorine Substitution on Protonated Neurotransmitters: The Case of 2-Phenylethylamine.

scientific article published on 23 May 2016

Electronic and vibrational spectra of protonated benzaldehyde-water clusters, [BZ-(H2O)n≤5]H+: evidence for ground-state proton transfer to solvent for n ≥ 3.

scientific article published in March 2014

Electronic spectra of protonated benzaldehyde clusters with Ar and N2: effect of ππ* excitation on the intermolecular potential.

scientific article published on 11 November 2010

Experimental observation and quantum chemical characterization of the S1 ← S0 transition of protonated naphthalene-argon clusters.

scientific article published on 8 March 2013

Fragmentation energetics of the phenol(+)···Ar(3) cation cluster

scientific article published on 01 October 2010

Going large(r): general discussion

scientific article published on 01 July 2019

High-Resolution Spectroscopy of Cluster Ions ⬇️

scientific article published on 01 November 2000

Hindered rotation in ion-neutral molecular complexes: The ν1 vibration of H2–HCO+ and D2–DCO+

article

Hole-burning spectra of phenol-Arn (n = 1, 2) clusters: resolution of the isomer issue

scientific article published on 16 May 2007

Hydrogen-bonded networks in ethanol proton wires: IR spectra of (EtOH)qH+-Ln clusters (L = Ar/N2, q < or = 4, n < or = 5)

scientific article published on 01 July 2005

Hygroscopic growth and deliquescence of NaCl nanoparticles coated with surfactant AOT.

scientific article

IR Spectrum and Structure of Protonated Monosilanol: Dative Bonding between Water and the Silylium Ion*.

scientific article

IR Spectrum and Structure of a Protonated Disilane: Probing the SiHSi Proton Bridge ⬇️

scientific article published on December 20, 2012

IR signature of the photoionization-induced hydrophobic-->hydrophilic site switching in phenol-Arn clusters.

scientific article published in September 2007

IR spectra of C2H5(+)-N2 isomers: evidence for dative chemical bonding in the isolated ethanediazonium ion.

scientific article published on 26 September 2011

IR spectra of isolated arenium ions: hydroxyl and halogen substitution effects on aliphatic CH bonds

scientific article published on 01 March 2005

IR spectra of protonated benzaldehyde clusters, C(7)H(7)O(+)-L(n) (L=Ar,N(2);n<or=2): Ion-ligand binding motifs of the cis and trans oxonium isomers.

scientific article published on July 2010

IR spectra of protonated carbonic acid and its isomeric H3O+.CO2 complex

scientific article

IR spectroscopic features of gaseous C7H7O+ ions: benzylium versus tropylium ion structures

scientific article published in August 2006

IR spectroscopy of protonated toluene: Probing ring hydrogen shifts in gaseous arenium ions

IR spectrum and structure of protonated ethanol dimer: implications for the mobility of excess protons in solution.

scientific article

IR spectrum and structure of the phenyl cation.

scientific article published on December 2010

IR spectrum of the ethyl cation: evidence for the nonclassical structure

scientific article published in January 2008

IR spectrum of the protonated neurotransmitter 2-phenylethylamine: dispersion and anharmonicity of the NH3+–π interaction

scientific article published on 01 October 2015

IRMPD Spectra of Protonated Hydroxybenzaldehydes: Evidence of Torsional Barriers in Carboxonium Ions

scientific article published on 17 January 2020

IRMPD Spectroscopy of Metalated Flavins: Structure and Bonding of Lumiflavin Complexes with Alkali and Coinage Metal Ions.

scientific article

IRMPD spectroscopy of metalated flavins: structure and bonding of M(q+)-lumichrome complexes (M(q+) = Li⁺-Cs⁺, Ag⁺, Mg²⁺).

scientific article

Improved tandem mass spectrometer coupled to a laser vaporization cluster ion source.

scientific article published in December 2017

Infrared Spectra of Isolated Protonated Polycyclic Aromatic Hydrocarbons: Protonated Naphthalene

scientific article published on 01 January 2007

Infrared Spectrum of the Ar−NH2+Ionic Complex

Infrared action spectroscopy of nitrous oxide on cationic gold and cobalt clusters

scientific article published on 21 December 2020

Infrared photodissociation spectra of CH3+–Arn complexes (n=1–8)

Infrared photodissociation spectra of isomeric SiOH+–Ar (n=1–10) complexes

article published in 1998

Infrared predissociation spectra of Nen–HN2+ clusters (n=1–5)

Infrared signatures of protonated benzonitrile ⬇️

scientific article published in January 2018

Infrared spectra and quantum chemical characterization of weakly bound clusters of the benzoyl cation with Ar and H(2)O.

scientific article published on 16 August 2010

Infrared spectra of C(3)H(3)(+)-N(2) dimers: identification of proton-bound c-C(3)H(3)(+)-N(2) and H(2)CCCH(+)-N(2) isomers.

scientific article published in January 2002

Infrared spectra of protonated neurotransmitters: dopamine.

scientific article

Infrared spectra of protonated neurotransmitters: serotonin.

scientific article

Infrared spectra of protonated polycyclic aromatic hydrocarbon molecules: azulene.

scientific article

Infrared spectra of the protonated neurotransmitter histamine: competition between imidazolium and ammonium isomers in the gas phase ⬇️

scientific article published on July 28, 2011

Infrared spectroscopy of hydrated polycyclic aromatic hydrocarbon cations: naphthalene+-water.

scientific article published in December 2017

Infrared spectrum and predissociation dynamics of H2O+ -Ar

scientific article published on 01 December 2004

Infrared spectrum and structure of the adamantane cation: direct evidence for Jahn-Teller distortion

scientific article published on 27 January 2012

Infrared spectrum of the Ag(+)-(pyridine)2 ionic complex: probing interactions in artificial metal-mediated base pairing.

scientific article

Infrared spectrum of the Si3H8+ cation: evidence for a bridged isomer with an asymmetric three-center two-electron Si-H-Si bond.

scientific article published on 17 September 2013

Infrared spectrum of the cold ortho-fluorinated protonated neurotransmitter 2-phenylethylamine: competition between NH+π and NH+F interactions

scientific article published in September 2016

Infrared spectrum of the disilane cation (Si2H6+) from Ar-tagging spectroscopy.

scientific article published on 17 January 2013

Interaction of ionic biomolecular building blocks with nonpolar solvents: acidity of the imidazole cation (Im+) probed by IR spectra of Im+-Ln complexes (L = Ar, N2; n < or = 3)

scientific article published on 01 April 2005

Intermolecular interaction in the CH3+–He ionic complex revealed by ab initio calculations and infrared photodissociation spectroscopy

Intermolecular interaction in the OH+–He and OH+–Ne open-shell ionic complexes: Infrared predissociation spectra of the ν1 and ν1+νb vibrations

Intracluster proton transfer in protonated benzonitrile-(H2O)n≤6 nanoclusters: hydrated hydronium core for n≥ 2

scientific article published on 07 November 2019

Ionization-Induced π → H Site Switching in Resorcinol-Arn (n = 1 and 2) Clusters Probed by Infrared Spectroscopy

scientific article published on 01 August 2019

Ionization-induced solvent migration in acetanilide-methanol clusters inferred from isomer-selective infrared spectroscopy

scientific article published on 30 October 2012

Ionization-induced π → H site-switching in phenol-CH4 complexes studied using IR dip spectroscopy

scientific article published in January 2014

Ionization-induced π→ H site switching dynamics in phenol-Ar3.

scientific article published on 7 December 2010

Isomer-selective detection of microsolvated oxonium and carbenium ions of protonated phenol: infrared spectra of C6H7O+-Ln clusters (L=Ar/N2, n</=6).

scientific article

Mass analyzed threshold ionization detected infrared spectroscopy: isomerization activity of the phenol-Ar cluster near the ionization threshold

scientific article published on 10 December 2014

Mass analyzed threshold ionization spectra of phenol...Ar2: ionization energy and cation intermolecular vibrational frequencies

scientific article published on 9 November 2010

Microhydrated aromatic cluster cations: binding motifs of 4-aminobenzonitrile-(H₂O)n cluster cations with n ≤ 4.

scientific article published in December 2014

Microhydration Structures of Protonated Oxazole

scientific article published on 22 August 2019

Microhydration effects on the electronic spectra of protonated polycyclic aromatic hydrocarbons: [naphthalene-(H2O)(n = 1,2)]H+

scientific article published on 01 February 2011

Microhydration of PAH+ cations: evolution of hydration network in naphthalene+-(H2O) n clusters (n ≤ 5).

scientific article published on 24 January 2018

Microhydration of protonated 5-hydroxyindole revealed by infrared spectroscopy

scientific article published on 01 January 2019

Microhydration of protonated biomolecular building blocks: IR spectra of protonated imidazole-water(n) complexes

scientific article published on 01 January 2006

Microhydration of protonated biomolecular building blocks: protonated pyrimidine

scientific article published on 03 June 2020

Microhydration of substituted diamondoid radical cations of biological relevance: infrared spectra of amantadine<sup>+</sup>-(H<sub>2</sub>O)<sub><i>n</i> = 1-3</sub> clusters

scientific article published on 08 December 2020

Microsolvation of the 4-aminobenzonitrile cation (ABN+) in a nonpolar solvent: IR spectra of ABN(+)-L(n) (L=Ar and N2, n≤4).

scientific article published on 3 December 2012

Microsolvation of the acetanilide cation (AA(+)) in a nonpolar solvent: IR spectra of AA(+)-L(n) clusters (L = He, Ar, N2; n ≤ 10).

scientific article

Microsolvation of the ammonium ion in argon: infrared spectra of NH4+Arn complexes (n = 1–7)

Microsolvation of the formanilide cation (FA+) in a nonpolar solvent: infrared spectra of FA(+)-Ln clusters (L = Ar, N2; n ≤ 8).

scientific article published on 5 March 2014

Microsolvation of the pyrrole cation (Py+) with nonpolar and polar ligands: infrared spectra of Py+-Ln with L = Ar, N2, and H2O (n ≤ 3).

scientific article published on 20 January 2017

Mid‐infrared spectra of the proton‐bound complexes Nen–HCO+ (n=1,2)

article by Sergey A. Nizkorodov et al published August 1996 in Journal of Chemical Physics

Observation of the infrared spectrum of the ν3 band of the argon-ammonium ionic complex

Optical Spectroscopy of the Au4 + Cluster: The Resolved Vibronic Structure Indicates an Unexpected Isomer

scientific article published on 17 January 2019

Optical spectroscopy of isolated flavins: photodissociation of protonated lumichrome

scientific article published in March 2018

Photoionization-induced large-amplitude pendular motion in phenol(+)-Kr

scientific article published on 10 December 2010

Photoionization-induced π↔ H site switching dynamics in phenol(+)-Rg (Rg = Ar, Kr) dimers probed by picosecond time-resolved infrared spectroscopy

scientific article

Probing Solvation Dynamics around Aromatic and Biological Molecules at the Single-Molecular Level.

scientific article published on 7 April 2016

Probing chirality recognition of protonated glutamic acid dimers by gas-phase vibrational spectroscopy and first-principles simulations

scientific article published on 01 November 2018

Probing protonation sites of isolated flavins using IR spectroscopy: from lumichrome to the cofactor flavin mononucleotide

scientific article published on 4 June 2014

Protonation and Sequential Microsolvation of 5-hydroxyindole (5HI): Infrared Photodissociation Spectra of 5HIH-L with L=Ar and N (n≤3)

scientific article published on 15 November 2018

Protonation of Naphthalene-(Water)n Nanoclusters: Intracluster Proton Transfer to Hydration Shell Revealed by Infrared Photodissociation Spectroscopy

scientific article published on 03 February 2020

Protonation of gas-phase aromatic molecules: IR spectrum of the fluoronium isomer of protonated fluorobenzene.

scientific article

Protonation of heterocyclic aromatic molecules: IR signature of the protonation site of furan and pyrrole

Protonation sites of isolated fluorobenzene revealed by IR spectroscopy in the fingerprint range

scientific article published in September 2005

Pushing resolution in frequency and time: general discussion

scientific article published on 01 July 2019

Real-time observation of ionization-induced hydrophobic-->hydrophilic switching

scientific article published on 01 September 2005

Real-time observation of the photoionization-induced water rearrangement dynamics in the 5-hydroxyindole-water cluster by time-resolved IR spectroscopy

scientific article

Reply to the comment on “The ν3 infrared spectrum of the HeNH4+ complex”

Selective infrared photodissociation of protonated para-fluorophenol isomers: substitution effects in oxonium and fluoronium ions.

scientific article

Separate spectroscopic detection of carbenium and fluoronium isomers of protonated fluorobenzene.

scientific article published in April 2003

Sequential microhydration of cationic 5-hydroxyindole (5HI+): infrared photodissociation spectra of 5HI+-Wn clusters (W = H2O, n ≤ 4).

scientific article published on 23 October 2017

Simultaneous Interaction of Hydrophilic and Hydrophobic Solvents with Ethylamino Neurotransmitter Radical Cations: Infrared Spectra of Tryptamine(+)-(H2O)m-(N2)n Clusters (m,n ≤ 3).

scientific article published on 9 September 2015

Single water solvation dynamics in the 4-aminobenzonitrile-water cluster cation revealed by picosecond time-resolved infrared spectroscopy

scientific article published on 22 October 2015

Size Effects in Cluster Infrared Spectra: the .nu.1 Band of Arn-HCO+ (n = 1-13)

Size and shape dependent photoluminescence and excited state decay rates of diamondoids.

scientific article published on 7 January 2014

Solvation dynamics of a single water molecule probed by infrared spectra--theory meets experiment.

scientific article published on 27 November 2014

Solvent migration in microhydrated aromatic aggregates: ionization-induced site switching in the 4-aminobenzonitrile-water cluster

scientific article published on 08 January 2014

Spectroscopic identification of carbenium and ammonium isomers of protonated aniline (AnH+): IR spectra of weakly bound AnH+ -Ln clusters (L = Ar, N2).

scientific article published in November 2006

Spectroscopic identification of fragment ions of DNA/RNA building blocks: the case of pyrimidine

scientific article published on 20 July 2020

Stepwise microhydration of aromatic amide cations: formation of water solvation network revealed by infrared spectra of formanilide(+)-(H2O)(n) clusters (n ≤ 5).

scientific article published on 14 January 2015

Stepwise microhydration of aromatic amide cations: water solvation networks revealed by the infrared spectra of acetanilide+-(H2O)n clusters (n ≤ 3).

scientific article

Stereochemistry-dependent structure of hydrogen-bonded protonated dimers: the case of 1-amino-2-indanol

scientific article

Structural motifs of 2-(2-fluoro-phenyl)-ethylamine conformers.

scientific article published on 14 December 2015

Structure and infrared spectrum of the Ag(+)-phenol ionic complex

scientific article

Structure of zirconocene complexes relevant for olefin catalysis: infrared fingerprint of the Zr(C(5)H(5))(2)(OH)(CH(3)CN)(+) cation in the gas phase

scientific article

Structures and IR/UV spectra of neutral and ionic phenol-Ar(n) cluster isomers (n ≤ 4): competition between hydrogen bonding and stacking

scientific article published on 19 May 2011

Switching of binding site from nonpolar to polar ligands toward cationic benzonitrile revealed by infrared spectroscopy

scientific article published on 01 November 2018

The ν3 infrared spectrum of the HeNH4+ complex

Theoretical spectroscopy of the N2HAr+ complex

scientific article published on 15 October 2008

Unraveling the protonation site of oxazole and solvation with hydrophobic ligands by infrared photodissociation spectroscopy

scientific article published on 01 July 2019

Vibrational Spectra and Structures of Neutral SimCn Clusters (m + n = 6): Sequential Doping of Silicon Clusters with Carbon Atoms ⬇️

scientific article published on September 6, 2012

Vibrational spectra and structures of SinC clusters (n = 3-8).

scientific article published in July 2015

Vibrational spectra and structures of bare and Xe-tagged cationic Si(n)O(m)⁺ clusters

scientific article

Vibrational spectra and structures of neutral Si₆X clusters (X = Be, B, C, N, O)

scientific article published on 16 September 2014

Vibrational spectroscopy of protonated imidazole and its complexes with water molecules: ab initio anharmonic calculations and experiments.

scientific article published on 15 May 2007

Vibronic optical spectroscopy of cryogenic flavin ions: the O2+ and N1 tautomers of protonated lumiflavin

scientific article published on 12 August 2020

Watching water migration around a peptide bond

scientific article published on 15 June 2012

Weak hydrogen bonding motifs of ethylamino neurotransmitter radical cations in a hydrophobic environment: infrared spectra of tryptamine+–(N2)n clusters (n ≤ 6)

scientific article published on 01 February 2014

Weak interactions in ion–ligand complexes of C3H3(+) isomers: competition between H-bound and C-bound structures in c-C3H3(+)·L and H2CCCH(+)·L (L = Ne, Ar, N2, CO2, and O2)

scientific article published on 02 June 2011

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