Publications
2011
R.C. Dunbar, J.D. Steill, J. Oomens
Chirality-induced conformational preferences in peptide-metal ion binding revealed by IR spectroscopy
J. Am. Chem. Soc. 133 (2011) 1212-1215
A.J. Ross, F. Dreiocker, M. Schäfer, J. Oomens, A.J.H.M. Meijer, B.T. Pickup, R.F.W. Jackson
Evidence for the role of tetramethylethylenediamine in aqueous Negishi cross-coupling: synthesis of nonproteingenic phenylalanine derivatives on water
J. Org. Chem. 76 (2011) 1727-1734
H. Alvaro Galué, C.A. Rice, J.D. Steill, J. Oomens
Infrared spectroscopy of ionized corannulene in the gas phase
J. Chem. Phys. 134 (2011) 054310
G. Giorgi, L. Ceraulo, G. Berden, J. Oomens, V.T. Liveri
Gas phase infrared multiple photon dissociation spectra of positively charged sodium bis(2-ethylhexyl)sulfosuccinate reverse micelle-like aggregates
J. Phys. Chem. B 115 (2011) 2282-2286
S. Osburn, J.D. Steill, J. Oomens, R.A.J. O’Hair, M. van Stipdonk, V. Ryzhov
Structure and reactivity of the cysteine methyl ester radical cation
Chem. Eur. J. 17 (2011) 873-879
J.D. Steill, J. Szczepanski, J. Oomens, J.R. Eyler, A. Brajter-Toth
Structural characterization by infrared multiple photon dissociation spectroscopy of protonated gas-phase ions obtained by electrospray ionization of cysteine and dopamine
Anal. Bioanal. Chem. 399 (2011) 2463-2473
B.S. Fales, N.O. Fujamade, Y.-w. Nei, J. Oomens, M.T. Rodgers
Infrared multiple photon dissociation action spectroscopy and theoretical studies of diethyl phosphate complexes: effects of protonation and sodium cationization on structure
J. Am. Soc. Mass Spectrom. 22 (2011) 81-92
A. Lagutschenkov, J. Langer, G. Berden, J. Oomens, O. Dopfer
Infrared spectra of protonated neurotransmitters: dopamine
Phys. Chem. Chem. Phys. 13 (2011) 2815-2823
J. Szczepanski, J. Oomens, J.D. Steill, M.T. Vala
H2 ejection from polycyclic aromatic hydrocarbons: infrared multiphoton dissociation study of protonated acenaphthene and 9,10-dihydrophenanthrene
Astrophys. J. 727 (2011) 12
2010
M. Citir, E.M.S. Stennett, J. Oomens, J.D. Steill, M.T. Rodgers, P.B. Armentrout
Infrared multiple photon dissociation spectroscopy of cationized cysteine: Effects of metal cation size on gas-phase conformation
Int. J. Mass Spectrom. 297 (2010) 9-17
M.K. Drayß, P.B. Armentrout, J. Oomens, M. Schäfer
IR spectroscopy of cationized aliphatic amino acids: Stability of charge-solvated structure increases with metal cation size
Int. J. Mass Spectrom. 297 (2010) 18-27
O. Pirali, H. Alvaro Galué, J.E. Dahl, R.M.K. Carlson, J. Oomens
Infrared spectra and structures of diamantyl and triamantyl carbocations
Int. J. Mass Spectrom. 297 (2010) 55-62
G.S. Groenewold, M.J. van Stipdonk, J. Oomens, W.A. de Jong, G.L. Gresham, M.E. McIlwain
Vibrational spectra of discrete UO22+ halide complexes in the gas phase
Int. J. Mass Spectrom. 297 (2010) 67-75
R.C. Dunbar, J.D. Steill, J. Oomens
Conformations and vibrational spectroscopy of metal-ion/polylalanine complexes
Int. J. Mass Spectrom. 297 (2010) 107-115
J.T. O'Brien, J.S. Prell, G, Berden, J. Oomens, E.R. Williams
Effects of anions on the zwitterion stability of Glu, His and Arg investigated by IRMPD spectroscopy and theory
Int. J. Mass Spectrom. 297 (2010) 116-123
A. Lagutschenkov, J. Langer, G. Berden, J. Oomens, O. Dopfer
Infrared spectra of protonated neurotransmitters: serotonin
J. Phys. Chem. A 132 (2010) 13268-13278
J. Oomens, A.R. Moehlig, T.H. Morton
Infrared multiple photon dissociation (IRMPD) spectroscopy of the proton-bound dimer of 1-methylcytosine in the gas phase
J. Phys. Chem. Lett. 1 (2010) 2891-2897
J. Oomens, J.D. Steill
The structure of deprotonated tri-alanine and its a3- fragment anion by IR spectroscopy
J. Am. Soc. Mass Spectrom. 21 (2010) 698-706
G. Groenewold, W.A. de Jong, J. Oomens, M.J. van Stipdonk
Variable denticity in carboxylate binding to the uranyl coordination complexes
J. Am. Soc. Mass Spectrom. 21 (2010) 719-727
A.M. Rijs, N. Sändig, M.N. Blom, J. Oomens, J.S. Hannam, D.A. Leigh, F. Zerbetto, W.J. Buma
Controlled hydrogen-bond breaking in a rotaxane by discrete solvation
Angew. Chem. Int. Ed. 49 (2010) 3896-3900
J. Oomens, T.H. Morton
Structures of products from positive ion-molecule reactions by means of vibrational spectroscopy
Eur. J. Mass Spectrom. 16 (2010) 313-319
X. Chen, J.D. Steill, J. Oomens, N.C. Polfer
Oxazolone versus macrocycle structures for Leu-Enkephalin b2-b4: Insights from infrared multiple-photon dissociation spectroscopy and gas-phase hydrogen/deuterium exchange
J. Am. Soc. Mass Spectrom. 21 (2010) 1313-1321
S.P. Palii, C.S. Contreras, J.D. Steill, S.S. Palii, J. Oomens, J.R. Eyler
Triuret as a potential hypokalemic agent: structure characterization of triuret and triuret-alkali metal adducts by mass spectrometric techniques
Arch. Biochem. Biophys. 498 (2010) 23-34
B.J. Bythell, R.P. Dain, S.S. Curtice, J. Oomens, J.D. Steill, G.S. Groenewold, B. Paizs, M.J. van Stipdonk
Structure of [M + H – H2O]+ from protonated tetraglycine revealed by tandem mass spectrometry and IRMPD spectroscopy
J. Phys. Chem. A 114 (2010) 5076-5082
D.R. Carl, T.E. Cooper, J. Oomens, J.D. Steill, P.B. Armentrout
Infrared multiple photon dissociation spectroscopy of cationized methionine: effects of alkali-metal cation size on gas-phase conformation
Phys. Chem. Chem. Phys. 12 (2010) 3384-3398
A.M. Rijs, G. Ohanessian, J. Oomens, G. Meijer, G. von Helden, I. Compagnon
Internal proton transfer leading to stable zwitterionic structures in a neutral isolated peptide
Angew. Chem. Int. Ed. 49 (2010) 2332-2335
F. Dreiocker, J. Oomens, A.J.H.M. Meijer, B.T. Pickup, R.F.W. Jackson, M. Schäfer
Structure elucidation of dimethylformamide-solvated alkylzinc cations in the gas phase
J. Org. Chem. 75 (2010) 1203-1213
P. Kupser, K. Pagel, J. Oomens, N. Polfer, B. Koksch, G. Meijer, G. von Helden
Amide-I and -II vibrations of the cyclic beta-sheet model peptide Gramicidin S in the gas phase
J. Am. Chem. Soc. 132 (2010) 2085-2093
J.M. Bakker, V.J.F. Lapoutre, B. Redlich, J. Oomens, B.G. Sartakov, A. Fielicke, G. von Helden, G. Meijer, A.F.G. van der Meer
Intensity-resolved IR multiple photon ionization and fragmentation of C60
J. Chem. Phys. 132, (2010) 074305
U.H. Verkerk, C.-K. Siu, J.D. Steill, H. El Aribi, J. Zhao, C.F. Rodriguez, J. Oomens, A.C. Hopkinson, K.W.M. Siu
a2 ion derived from triglycine: an N1-protonated 4-imidazolidinone
J. Phys. Chem. Lett. 1 (2010) 868-872
S. Ard, N. Mirsaleh-Kohan, J.D. Steill, J. Oomens, S. Brøndsted Nielsen, R.N. Compton
Dissociation of dicarboxylate and disulfonate dianions
J. Chem. Phys. 132 (2010) 094301
R. Dain, C.M. Leavitt, J. Oomens, J.D. Steill, G.S. Groenewold, M.J. van Stipdonk
Infrared multiple photon dissociation spectroscopy of sodium and potassium chlorate anions
Rapid Comm. Mass Spectrom. 24 (2010) 232-238
J.S. Prell, T.G. Flick, J. Oomens, G. Berden, E.R. Williams
Coordination of trivalent metal cations to peptides: results from IRMPD spectroscopy and theory
J. Phys. Chem. A 114 (2010) 854-860
2009
H. Knorke, J. Langer, J. Oomens, O. Dopfer
Infrared spectra of isolated protonated polycyclic aromatic hydrocarbon molecules
Astrophys. J. 706 (2009) L66-L77
J.D. Steill, J. Oomens
Gas-Phase Deprotonation of p-Hydroxybenzoic Acid Investigated by IR Spectroscopy: Solution-Phase Structure Is Retained upon ESI
J. Am. Chem. Soc. 131 (2009) 13570-13571
D. Zhao, J. Langer, J. Oomens, O. Dopfer
Infrared spectra of protonated polycyclic aromatic hydrocarbon molecules: Azulene
J. Chem. Phys. 131 (2009) 184307
N.C. Polfer, J. Oomens
Vibrational spectroscopy of bare and solvated ionic complexes of biological relevance
Mass Spectrom. Rev. 28 (2009) 468-494
J.S. Prell, J.T. O'Brien, J.D. Steill, J. Oomens, E.R. Williams
Structures of Protonated Dipeptides: The Role of Arginine in Stabilizing Salt Bridges
J. Am. Chem. Soc. 131 (2009) 11442-11449
K. Pagel, P. Kupser, F. Bierau, N.C. Polfer, J.D. Steill, J. Oomens, J. Oomens, G. Meijer, B. Koksch, G. von Helden
Gas-phase IR spectra of intact alpha-helical coiled coil protein complexes
Int. J. Mass Spectrom. 283 (2009) 77-84
R.C. Dunbar, J.D. Steill, N.C. Polfer, J. Oomens
Gas-phase infrared spectroscopy of the protonated dipeptides H+PheAla and H+AlaPhe compared to condensed-phase results
Int. J. Mass Spectrom. 283 (2009) 161-168
M. Vala, J. Szczepanski, R.C. Dunbar, J. Oomens, J.D. Steill
Infrared multiphoton dissociation spectrum of isolated protonated 1-azapyrene
Chem. Phys. Lett. 473 (2009) 43-48
G.S. Groenewold, C.M. Leavitt, R.P. Dain, J. Oomens, J.D. Steill, M.J. van Stipdonk
Infrared spectrum of potassium-cationized triethylphosphate generated using tandem mass spectrometry and infrared multiple photon dissociation
Rapid Comm. Mass Spectrom. 23 (2009) 2706-2710
S. Molesworth, C.M. Leavitt, G.S. Groenewold, J. Oomens, J.D. Steill, M.J. van Stipdonk
Spectroscopic Evidence for Mobilization of Amide Position Protons During CID of Model Peptide Ions
J. Am. Soc. Mass Spectrom. 20 (2009) 1841-1845
R.C. Dunbar, A.C. Hopkinson, J. Oomens, C.K. Siu, K.W.M. Siu, J.D. Steill, U.H. Verkerk, J. Zhao
Conformation Switching in Gas-Phase Complexes of Histidine with Alkaline Earth Ions
J. Phys. Chem. B 113 (2009) 10403-10408
R.C. Dunbar, J.D. Steill, N.C. Polfer, J. Oomens
Peptide Length, Steric Effects, and Ion Solvation Govern Zwitterion Stabilization in Barium-Chelated Di- and Tripeptides
J. Phys. Chem. B 113 (2009) 10552-10554
A.L. Heaton, V.N. Bowman, J. Oomens, J.D. Steill, P.B. Armentrout
Infrared Multiple Photon Dissociation Spectroscopy of Cationized Asparagine: Effects of Metal Cation Size on Gas-Phase Conformation
J. Phys. Chem. A 113 (2009) 5519-5530
B. Martínez-Haya, P. Hurtado, A.R. Hortal, J.D. Steill, J. Oomens, P.J. Merkling
Spectroscopic Investigation of the Gas-Phase Conformations of 15-Crown-5 Ether Complexes with K+
J. Phys. Chem. A 113 (2009) 7748-7752
J. Oomens, J.D. Steill, B. Redlich
Gas-phase IR spectroscopy of deprotonated amino acids
J. Am. Chem. Soc. 131 (2009) 4310-4319
J.D. Steill, J. Oomens
Action Spectroscopy of Gas-Phase Carboxylate Anions by Multiple Photon IR Electron Detachment/Attachment
J. Phys. Chem. A 113 (2009) 4941-4946
M.K. Drayß, D. Blunk, J. Oomens, B. Gao, T. Wyttenbach, M.T. Bowers, M. Schäfer
Systematic Study of the Structures of Potassiated Tertiary Amino Acids: Salt Bridge Structures Dominate
J. Phys. Chem. A 113 (2009) 9543-9550
C.M. Leavitt, J. Oomens, R.P. Dain, J.D. Steill, G.S. Groenewold, M.J. van Stipdonk
IRMPD spectroscopy of anionic group II metal nitrate cluster ions
J. Am. Soc. Mass Spectrom. 20 (2009) 772-782
A.M. Rijs, I. Compagnon, J. Oomens, J.S. Hannam, D.A. Leigh, W.J. Buma
Stiff and sticky at the right places: binding interactions in isolated mechanically interlocked molecules probed by mid-infrared spectroscopy
J. Am. Chem. Soc. 131 (2009) 2428-2429
M. Vala, J. Szczepanski, J. Oomens, J.D. Steill
H2 Ejection from Polycyclic Aromatic Hydrocarbons: Infrared Multiphoton Dissociation Study of Protonated 1,2-Dihydronaphthalene
J. Am. Chem. Soc. 131 (2009) 5784-5791
J.T. O'Brien, J.S. Prell, J.D. Steill, J. Oomens, E.R. Williams
Changes in binding motif of protonated heterodimers containing valine and amines investigated using IRMPD spectroscopy between 800 and 3700 cm-1 and theory
J. Am. Chem. Soc. 131 (2009) 3905-3912
M.K. Drayß, D. Blunk, J. Oomens, N. Polfer, C. Schmuck, B. Gao, T. Wyttenbach, M.T. Bowers, M. Schäfer
Gas-phase structures of solution-phase zwitterions: charge solvation or salt bridge?
Int. J. Mass Spectrom. 281 (2009) 97-100
J. Oomens, S. Young, S. Molesworth, M. van Stipdonk
Spectroscopic evidence for an oxazolone structure of the b2 fragment ion from protonated tri-alanine
J. Am. Soc. Mass Spectrom. 20 (2009) 334-339
J.S. Prell, M. Demireva, J. Oomens, E.R. Williams
Role of sequence in salt-bridge formation for alkali metal cationized GlyArg and ArgGly investigated with IRMPD spectroscopy and theory
J. Am. Chem. Soc. 131 (2009) 1232-1242
R.C. Dunbar, J.D. Steill, N.C. Polfer, J. Oomens
Dimeric complexes of tryptophan with M2+ metal ions
J. Phys. Chem. A 113 (2009) 845-851
M.F. Bush, J. Oomens, E.R. Williams
Proton affinity and zwitterion stability: new results from infrared spectroscopy and theory of cationized lysine and analogues in the gas phase
J. Phys. Chem. A 113 (2009) 431-438
2008
J.D. Steill, J. Oomens, J.R. Eyler, R.N. Compton
Gas-phase infrared multiple photon dissociation spectroscopy of isolated SF6- and SF5- anions
J. Chem. Phys. 129 (2008) 244302
T.D. Vaden, S.A.N. Gowers, T.S.J.A. de Boer, J.D. Steill, J. Oomens, L.C. Snoek
Conformational preferences of an amyloidogenic peptide: IR spectroscopy of Ac-VQIVYK-NHMe
J. Am. Chem. Soc. 130 (2008) 14640-14650
M.K. Drayss, D. Blunk, J. Oomens, M. Schaefer
Infrared multiple photon dissociation spectroscopy of potassiated proline
J. Phys. Chem. A 112 (2008) 11972-11974
J. Steill, J. Zhao, C.K. Siu, Y. Ke, U.H. Verkerk, J. Oomens, R.C. Dunbar, A.C. Hopkinson, K.W.M. Siu
Structure of the observable histidine cation in the gas phase: a captodative alpha-radical ion
Angew. Chem. Int. Ed. 47 (2008) 9666-9668
J. Oomens, E. Kraka, M.K. Nguyen, T.H. Morton
Structure, vibrational spectra, and unimolecular dissociation of gaseous 1-fluoro-1-phenethyl cations
J. Phys. Chem. A 112 (2008) 10774-10783
P. Kupser, J.D. Steill, J. Oomens, G. Meijer, G. von Helden
IR spectroscopy of gas-phase C60-
Phys. Chem. Chem. Phys. 10 (2008) 6862-6866
J.T. O'Brien, J.S. Prell, J.D. Steill, J. Oomens, E.R. Williams
Interactions of mono- and divalent metal ions with aspartic and glutamic acid investigated with IR photodissociation spectroscopy and theory
J. Phys. Chem. A 112 (2008) 10823-10830
M.F. Bush, J. Oomens, R.J. Saykally, E.R. Williams
Alkali metal ion binding to glutamine and glutamine derivatives investigated by infrared action spectroscopy and theory
J. Phys. Chem. A 112 (2008) 8578-8584
A. Simon, C. Joblin, N. Polfer, J. Oomens
Infrared spectroscopy of [XFeC24H12]+ (X = C5H5, C5(CH3)5) complexes in the gas phase: experimental and computational studies of astrophysical interest
J. Phys. Chem. A 112 (2008) 8551-8560
M.F. Bush, J. Oomens, R.J. Saykally, E.R. Williams
Effects of alkaline earth metal ion complexation on amino acid zwitterion stability: results from infrared action spectroscopy
J. Am. Chem. Soc. 130 (2008) 6463-6471
M.J. van Stipdonk, D.R. Kersetter, C.M. Leavitt, G.S. Groenewold, J. Steill, J. Oomens
Spectroscopic investigation of H atom transferin a gas-phase dissociation reaction: McLafferty rearrangement of model gas-phase peptide ions
Phys. Chem. Chem. Phys. 10 (2008) 3209-3221
J. Oomens, J.D. Steill
Free carboxylate stretching modes
J. Phys. Chem. A 112 (2008) 3281-3283
J. Oomens, L. Myers, R. Dain, C. Leavitt, V. Pham, G. Gresham, G. Groenewold, M. van Stipdonk
Infrared multiple-photon photodissociation of gas-phase group II metal-nitrate anions
Int. J. Mass Spectrom. 273 (2008) 24-30
N.C. Polfer, J. Oomens, R.C. Dunbar
Alkali metal complexes of the dipeptides PheAla and AlaPhe: IRMPD spectroscopy
Chem. Phys. Chem. 9 (2008) 579-589
J. Oomens, T.H. Morton
The cationic C=F+ stretching vibration in the gas phase
Angew. Chem. 120 (2008) 2138-2138
J. Oomens, T.H. Morton
The cationic C=F+ stretching vibration in the gas phase
Angew. Chem. Int. Ed. 47 (2008) 2106-2108
P.B. Armentrout, M.T. Rodgers, J. Oomens, J.D. Steill
Infrared multiphoton dissociation spectroscopy of cationized serine: effects of alkali-metal cation size on gas-phase conformation
J. Phys. Chem. A, 112 (2008) 2248-2257
M.T. Rodgers, P.B. Armentrout, J. Oomens, J.D. Steill
Infrared multiphoton dissociation spectroscopy of cationized threonine: effects of alkali-metal cation size on gas-phase conformation
J. Phys. Chem. A, 112 (2008) 2258-2267
G. von Helden, I. Compagnon, M.N. Blom, M. Frankowski, U. Erlekam, J. Oomens, B. Brauer, R.B. Gerber, G. Meijer
Mid-IR spectra of different conformers of phenylalanine in the gas phase
Phys. Chem. Chem. Phys. 10 (2008) 1248-1256
G.S. Groenewold, J. Oomens, W.A. de Jong, G.L. Gresham, M.E. McIllwain, M.J. van Stipdonk
Vibrational spectroscopy of anionic nitrate complexes of UO22+ and Eu3+ in the gas phase
Phys. Chem. Chem. Phys. 10 (2008) 1192-1202
G.S. Groenewold, A.K. Gianotto, M.E. McIllwain, M.J. van Stipdonk, M. Kullman, D.T. Moore, N. Polfer, J. Oomens, I. Infante, L. Visscher, B. Siboulet, W.A. de Jong
Infrared spectroscopy of discrete uranyl anion complexes
J. Phys. Chem. A 112 (2008) 508-521
2007
R.C. Dunbar, N.C. Polfer, J. Oomens
Gas-phase zwitterion stabilization by a metal dication
J Am. Chem. Soc. 129 (2007) 14562-14563
M.W. Forbes, M.F. Bush, N.C. Polfer, J. Oomens, R.C. Dunbar, E.R. Williams, R.A. Jockusch
Infrared spectroscopy of arginine cation complexes: direct observation of gas-phase zwitterions
J. Phys. Chem. A, 111 (2007) 11759-11770
M.N. Blom, I. Compagnon, N.C. Polfer, G. von Helden, G. Meijer, S. Suhai, B. Paizs, J. Oomens
Stepwise solvation of an amino acid: the appearance of zwitterionic structures
J. Phys. Chem. A, 111 (2007) 7309-7316
A. Abo-riziq, B.O. Crews, I. Compagnon, J. Oomens, G. Meijer, G. von Helden, M. Kabelac, P. Hobza, M.S. de Vries
The mid-IR spectra of 9-ethyl guanine, guanosine, and 2-deoxyguanosine
J. Phys. Chem. A, 111 (2007) 7529-7536
M.F. Bush, M.W. Forbes, R.A. Jockusch, J. Oomens, N.C. Polfer, R.J. Saykally, E.R. Williams
Infrared spectroscopy of cationized lysine and e-N-methyllysine in the gas phase: Effects of alkali-metal ion size and proton affinity
J. Phys. Chem. A, 111 (2007) 7753-7760
N.C. Polfer, J. Oomens
Reaction products in mass spectrometry elucidated with infrared spectroscopy (invited)
Phys. Chem. Chem. Phys. 9 (2007) 3804-3817
O. Pirali, M. Vervloet, J.E. Dahl, R.M.K. Carlson, A.G.G.M. Tielens, J. Oomens
Infrared spectroscopy of diamondoid molecules: New insights into the presence of nanodiamonds in the interstellar medium
Astrophys. J. 661 (2007) 919-925
R.C. Dunbar, D.T. Moore, J. Oomens
IR spectroscopic characterization of intermediates in a gas-phase ionic reaction: The decarbonylation of Co+(acetophenone)
Int. J. Mass Spectrom. 265 (2007) 182-186
N.C. Polfer, J. Oomens, S. Suhai, B. Paizs
Infrared spectroscopy and theoretical studies on gas-phase protonated Leu-enkephalin and its fragments: direct experimental evidence for the mobile proton
J. Am. Chem. Soc. 129 (2007) 5887-5897
N.C. Polfer, R.C. Dunbar, J. Oomens
Observation of Zwitterion formation in the gas-phase H/D-exchange with CH3OD: solution-phase structures in the gas phase
J. Am. Soc. Mass Spectrom. 18 (2007) 512-516
G.S. Groenewold, A.K. Gianotto, K.C. Cossel, M.J. van Stipdonk, J. Oomens, N. Polfer, D.T. Moore, W.A. de Jong, M.E. McIlwain
Mid-infrared vibrational spectra of discrete acetone-ligated cerium hydroxide complexes
Phys. Chem. Chem. Phys. 9 (2007) 596-606
2006
J. Oomens, B.G. Sartakov, G. Meijer, G.von Helden
Gas-phase infrared multiple photon dissociation spectroscopy of mass-selected molecular ions (review)
Int. J. Mass Spectrom. 254 (2006) 1-19
J. Szczepanski, H. Wang, M. Vala, A.G.G.M. Tielens, J.R. Eyler, J. Oomens
Infrared spectroscopy of gas-phase complexes of Fe+ and polycyclic aromatic hydrocarbon molecules
Astrophys. J. 646 (2006) 666-680
J. Oomens, N. Polfer, O, Pirali, Y. Ueno, R. Maboudian, P.W. May, J. Filik, J.E. Dahl, S. Liu, R.M.K. Carlson
Infrared spectroscopic investigation of higher diamondoids
J. Mol. Spectrosc. 238 (2006) 158-167
R.C. Dunbar, D.T. Moore, J. Oomens
IR-spectroscopic characterization of acetophenone complexes with Fe+, Co+, and Ni+ using free-electron-laser IRMPD
J. Phys. Chem. A 110 (2006) 8316-8326
N.C. Polfer, J. Oomens, R.C. Dunbar
IRMPD spectroscopy of metal-ion/tryptophan complexes
Phys. Chem. Chem. Phys. 8 (2006) 2744-2751
G.S. Groenewold, A.K. Gianotto, K.C. Cossel, M.J. van Stipdonck, D.T. Moore, N. Polfer, J. Oomens, W.A. de Jong, L. Visscher
Vibrational spectroscopy of mass-selected [UO2(ligand)n]2+ complexes in the gas phase: comparison with theory
J. Am. Chem. Soc. 128 (2006) 4802-4813
I. Compagnon, J. Oomens, G. Meijer, G. von Helden
Mid-infrared spectroscopy of protected peptides in the gas phase: a probe of the backbone conformation
J. Am. Chem. Soc. 128 (2006) 3592-3597
A. Bekkerman, E. Kolodney, G. von Helden, B. Sartakov, D. van Heijnsbergen, G. Meijer
Infrared multiphoton ionization of superhot C60: experiment and model calculations
J. Chem. Phys. 124 (2006) 184312
J. Oomens, G. Meijer, G. von Helden
An infrared spectroscopic study of protonated and cationic indazole
Int. J. Mass Spectrom. 249-250 (2006) 199-205
N.C. Polfer, J.J. Valle, D.T. Moore, J. Oomens, J.R. Eyler,B. Bendiak
Differentiation of isomers by wavelength-tunable infrared multiple-photon dissociation-mass spectrometry: application to glucose-containing disaccharides
Anal. Chem. 78 (2006) 670-679
N.C. Polfer, J. Oomens, D.T. Moore, G. von Helden, G. Meijer, R.C. Dunbar
Infrared spectroscopy of phenylalanine Ag(I) and Zn(II) complexes in the gas phase
J. Am. Chem. Soc. 128 (2006) 517-525
N. Polfer, J. Oomens
Het lot van eiwitten in een massaspectrometer
Nederlands Tijdschrift voor Natuurkunde 72 (2006) 94-97
2005
N.C. Polfer, J. Oomens, S. Suhai, B. Paizs
Spectroscopic and theoretical evidence for oxazolone ring formation in collision-induced dissociation of peptides
J. Am. Chem. Soc. 127 (2005) 17154-17155
N.C. Polfer, B. Paizs, L.C. Snoek, I. Compagnon, S. Suhai, G. Meijer, G. von Helden, J. Oomens
Infrared fingerprint spectroscopy and theoretical studies of potassium ion tagged amino acids and peptides in the gas phase
J. Am. Chem. Soc. 127 (2005) 8571-8579
P. Carcabal, R.A. Jockusch, I. Huenig, L.C. Snoek, R.T. Kroemer, B.G. Davis, D.P. Gamblin, I. Compagnon, J. Oomens, J.P. Simons
Hydrogen bonding and cooperativity in isolated and hydrated sugars: mannose, galactose, glucose, and lactose
J. Am. Chem. Soc. 127 (2005) 11414-11425
D.T. Moore, J. Oomens, J.R. Eyler, G. von Helden, G. Meijer, R.C. Dunbar
Infrared spectroscopy of gas-phase Cr+ coordination complexes: determination of binding sites and electronic states
J. Am. Chem. Soc. 127 (2005) 7243-7254
C. Ratsch, A. Fielicke, A. Kirilyuk, J. Behler, G. von Helden, G. Meijer, M. Scheffler
Structure determination of small vanadium clusters by density-functional theory in comparison with experimental far-infrared spectra
J. Chem. Phys. 122 (2005) 124302
J. Oomens, N. Polfer, D.T. Moore, L. van der Meer, A.G. Marshall, J.R. Eyler, G. Meijer, G. von Helden
Charge-state resolved mid-infrared spectroscopy of a gas-phase protein
Phys. Chem. Chem. Phys. 7 (2005) 1345-1348
W. Chin, I. Compagnon, J.P. Dognon, C. Canuel, F. Piuzzi, I. Dimicoli, G. von Helden, G. Meijer, M. Mons
Spectroscopic evidence for gas-phase formation of successive beta-turns in a three-residue peptide chain
J. Am. Chem. Soc. 127 (2005) 1388-1389
W. Chin, J.P. Dognon, C. Canuel, F. Piuzzi, I. Dimicoli, M. Mons, I. Compagnon, G. von Helden, G. Meijer
Secondary structure of short peptide chains in the gas phase: double resonance spectroscopy of protected dipeptides
J. Chem. Phys. 122 (2005) 054317
W. Chin, M. Mons, J.P. Dognon, R. Mirasol, G. Chass, I. Dimicoli, F. Piuzzi, P. Butz, B. Tardivel, I. Compagnon, G. von Helden, G. Meijer
The gas-phase dipeptide analogue acetyl-phenylalanyl-amide: a model for the study of side chain/backbone interactions in proteins
J. Phys. Chem. A 109 (2005) 5281-5288
J.M. Bakker, C. Pluetzer, I. Huenig, T. Haeber, I. Compagnon, G. von Helden, G. Meijer, K. Kleinermanns
Folding structures of isolated peptides as revealed by gas-phase mid-infrared spectroscopy
ChemPhysChem 6 (2005) 120-128
I. Compagnon, J. Oomens, J. Bakker, G. Meijer, G. von Helden
Vibrational spectroscopy of a non-aromatic amino acid-based model peptide: identification of the gamma-turn motif of the peptide backbone
Phys. Chem. Chem. Phys. 7 (2005) 13-15
J.J. Valle, J.R. Eyler, J. Oomens, D.T. Moore, A.F.G. van der Meer, G. von Helden, G. Meijer, C.L. Hendrickson, A.G. Marshall, G.T. Blakney
Free electron laser-Fourier transform ion cyclotron resonance mass spectrometry facility for obtaining infrared multiphoton dissociation spectra of gaseous ions
Rev. Sci. Instrum. 76 (2005) 023103
J. Oomens, G. von Helden
Infraroodspectra van naakte eiwitten
Nederlands Tijdschrift voor Natuurkunde 71 (2005) 178-180
2004
D.T. Moore, J. Oomens, J.R. Eyler, G. Meijer, G. von Helden, D.P. Ridge
Gas-phase IR spectroscopy of anionic iron carbonyl clusters
J. Am. Chem. Soc. 126 (2004) 14726-14727
N. Polfer, B.G. Sartakov, J. Oomens
The infrared spectrum of the adamantyl cation
Chem. Phys. Lett. 400 (2004) 201-205
P. Carcabal, R.T. Kroemer, L.C. Snoek, J.P. Simons, J.M. Bakker, I. Compagnon, G. Meijer, G. von Helden
Hydrated complexes of tryptophan: ion dip infrared spectroscopy in the `molecular fingerprint' region, 100-2000 cm-1
Phys. Chem. Chem. Phys. 6 (2004) 4546-4552
J. Oomens, G. von Helden, G. Meijer
Infrared photodissociation spectroscopy of the benzoic acid radical cation in a quadrupole trap
J. Phys. Chem. A 108 (2004) 8273-8278
A. Fielicke, G. von Helden, G. Meijer, D.M. Pedersen, B. Simard, D.M. Rayner
Size and charge effects on the binding of CO to small isolated Rhodium clusters
J. Phys. Chem. B 108 (2004) 14591-14598
A. Fielicke, A. Kirilyuk, C. Ratsch, J. Behler, M. Scheffler, G. von Helden, G. Meijer
Structure determination of isolated metal clusters via far-infrared spectroscopy
Phys. Rev. Lett. 93 (2004) 023401
T.D. Jaeger, A. Fielicke, G. von Helden, G. Meijer, M.A. Duncan
Infrared spectroscopy of water adsorption on vanadium cluster cations (Vx+; x = 3-18)
Chem. Phys. Lett. 392 (2004) 409-414
D.T. Moore, J. Oomens, A.F.G. van der Meer, G. von Helden, G. Meijer, J. Valle, A.G. Marshall, J.R. Eyler
Probing the vibrations of shared OH+O bound protons in the gas phase
Chem. Phys. Chem. 5 (2004) 740-743
J. Oomens, D.T. Moore, G. Meijer, G. von Helden, R.C. Dunbar
The site of Cr+ attachment to gas-phase aniline from infrared spectroscopy
J. Am. Chem. Soc. 126 (2004) 724-725
D.B. Pedersen, D.M. Rayner, B. Simard, M.A. Addicoat, M.A. Buntine, G.F. Metha, A. Fielicke
Photoionization of Nb3CO and Nb3(CO)2: Is CO molecularly or dissociatively adsorbed on Niobium?
J. Phys. Chem. A 108 (2004) 964-970
R.A. Jockusch, R.T. Kroemer, F.O. Talbot, L.C. Snoek, P. Carcabal, J.P. Simons, M. Havenith, J.M. Bakker, I. Compagnon, G. Meijer, G. von Helden
Probing the glycosidic link: UV and IR ion-dip spectroscopy of a lactoside
J. Am. Chem. Soc. 126 (2004) 5709-5714
J. Oomens, G. von Helden, G. Meijer
Infrared spectroscopy of ionic PAHs and related compounds
InThe dense interstellar medium in galaxies, S. Pfalzner, C. Kramer, C. Staubmeier, A. Heithausen (Eds.), ISBN 3-540-21254-X, Springer-Verlag, Berlin (2004) 545-548
J.M. Bakker, I. Compagnon, G. Meijer, G. von Helden, M. Kabelac, P. Hobza, M.S. de Vries
The mid-IR absorption spectrum of gas-phase clusters of the nucleobases guanine and cytosine
Phys. Chem. Chem. Phys. 6 (2004) 2810-2815
J. Oomens, D.T. Moore, G. Meijer and G. von Helden
Infrared multiple photon dynamics and spectroscopy of cationic PABA and its dehydroxylated fragment ion
Phys. Chem. Chem. Phys. 6 (2004) 710-718
2003
A. Fielicke, G. von Helden, G. Meijer, B. Simard, S. Dénommée, D.M. Rayner
Vibrational spectroscopy of CO in gas-phase Rhodium cluster-CO complexes
J. Am. Chem. Soc. 125 (2003) 11184-11185
J. Oomens, J.M. Bakker, B.G. Sartakov, G. Meijer, G. von Helden
The infrared spectrum of the benzoyl cation
Chem. Phys. Lett. 367 (2003) 576-580
A. Fielicke, G. Meijer, G. von Helden
Infrared spectroscopy of Niobium oxide cluster cations in a molecular beam: Identifying the cluster structures
J. Am. Chem. Soc. 125 (2003) 3659-3667
A. Fielicke, G. Meijer, G. von Helden
Infrared multiple photon dissociation spectroscopy of transition metal oxide cluster cations. Comparison of group Vb (V, Nb, Ta) metal oxide clusters
Eur. Phys. J. D 24 (2003) 69-72
J.M. Bakker, L. Mac Aleese, G. Meijer, G. von Helden
Fingerprint IR spectroscopy to probe amino acid conformations in the gas phase
Phys. Rev. Lett. 91 (2003) 203003
J.M. Bakker, L. Mac Aleese, G. von Helden, G. Meijer
The infrared absorption spectrum of the gas phase neutral benzoic acid monomer and dimer
J. Chem. Phys. 119 (2003) 11180-11185
G. von Helden, D. van Heijnsbergen, G. Meijer
Resonant ionization using IR light: A new tool to study the spectroscopy and dynamics of gas-phase molecules and clusters
J. Phys. chem. A 107 (2003) 1671-1688
J. Oomens, A.G.G.M. Tielens, B.G. Sartakov, G. von Helden, G. Meijer
Laboratory infrared spectroscopy of cationic polycyclic aromatic hydrocarbon molecules
Astrophys. J. 591 (2003) 968-985
R.G. Satink, G. Meijer, G. von Helden
Infrared gas phase absorption spectra of neutral and cationic toluene-argon complexes
Chem. Phys. Lett. 371 (2003) 469-475
A. Fielicke, R. Mitric, G. Meijer, V. Bonacic-Koutecký, and G. von Helden
The Structures of Vanadium Oxide Cluster – Ethene Complexes. A Combined IR Multiple Photon Dissociation Spectroscopy and DFT Calculation Study
J. Am. Chem. Soc. 125 (2003) 15716-15717
R.G. Satink, G. Meijer, G. von Helden
Infrared spectroscopy of neutral C7H7 isomers: benzyl and tropyl
J. Am. Chem. Soc. 125 (2003) 15714-15715
D. van Heijnsbergen, K. Demyk, M.A. Duncan, G. Meijer, G. von Helden
Structure determination of gas phase aluminum oxide clusters
Phys. Chem. Chem. Phys. 5 (2003) 2515-2519
J. Banisaukas, J. Szczepanski, J. Eyler, M. Vala, S. Hirata, M. Head-Gordon, J. Oomens, G. Meijer, G. von Helden
Vibrational and electronic spectroscopy of acenaphthylene and its cation
J. Phys. Chem. A 107 (2003) 782-793
N.L. Pivonka, C. Kaposta, M. Brümmer, G. von Helden, G. Meijer, L. Wöste, D.M. Neumark, K.R. Asmis
Probing a strong hydrogen bond with infrared spectroscopy: Vibrational predissociation of BrHBr-.Ar
J. Chem. Phys. 118 (2003) 5275-5278
2002
N.L. Pivonka, C. Kaposta, G. von Helden, G. Meijer, L. Wöste, D.M.Neumark and K.R. Asmis Neumark and K.R. Asmis
Gas phase infrared spectroscopy of cluster anions as a function of size: the effect of solvation on hydrogen-bonding in Br-(HBr)1,2,3 clusters
J. Chem. Phys. 117 (2002) 6493-6499
B. Redlich, H. Zacharias, G. Meijer and G. von Helden
Infrared laser-induced desorption of N2O condensed on NaCl(100)
Surf. Sci. 502-503 (2002) 325-330
Deniz van Heijnsbergen, André Fielicke, Gerard Meijer and Gert von Helden
Structure Determination of Gas-Phase Niobium and Tantalum Carbide Nanocrystals via Infrared Spectroscopy
Phys. Rev. Lett. 89 (2002) 013401
Rob G. Satink, Joost M. Bakker, Gerard Meijer and Gert von Helden
Vibrational lifetimes of aniline-noble gas complexes
Chem. Phys. Lett. 359 (2002) 163–168
Benoit Simard, St\'ephane D\'enomm\'ee,David M. Rayner, Deniz van Heijnsbergen, Gerard Meijer and Gert von Helden
IR multiphoton depletion spectroscopy of metal cluster-ligand complexes
Chem. Phys. Lett. 357 (2002) 195-203
B. Redlich, H. Zacharias, G. Meijer and G. von Helden
Resonant infrared laser-induced desorption of CD3F condensed on NaCl(100)
Phys. Chem. Chem. Phys., 4 (2002) 3448-3452
K. R. Asmis, M. Brümmer, C. Kaposta, G. Santambrogio, G. von Helden, G. Meijer, K. Rademann and L. Wöste
Mass-selected infrared photodissociation spectroscopy of V4O10+
Phys. Chem. Chem. Phys. 4 (2002) 1101–1104
D. van Heijnsbergen, G. Meijer, G. von Helden and M.A. Duncan
Infrared spectra of gas-phase V+-(benzene) and V+-(benzene)2 complexes
J. Am. Chem. Soc., 124 (2002) 1562-1563
D. van Heijnsbergen, G. Meijer, G. von Helden and M.A. Duncan
Infrared resonance-enhanced multiphoton ionization spectroscopy of magnesium oxide clusters
J. Chem. Phys. 116 (2002) 2400-2406
J.M. Bakker, R.G. Satink, G. von Helden and G. Meijer
Infrared photodissociation spectroscopy of benzene-Ne,Ar complex cations
Phys. Chem. Chem.Phys. 4 (2002) 24-33
2001
D. van Heijnsbergen, M.A. Duncan, G. Meijer, G. von Helden
Infrared spectroscopy of Ti8C12 'met car' cations
Chem. Phys. Lett. 349 (2001) 220-226
Jos Oomens, Boris G. Sartakov, A.G.G.M. Tielens , Gerard Meijer and Gert von Helden
Gas phase infrared spectrum of the Coronene cation
Astrophys. J. Lett., 560 (2001) L99-L103
Jos Oomens, Gerard Meijer and Gert von Helden
Gas Phase Infrared Spectroscopy of Cationic Indane, Acenaphtene, Fluorene, and Fluoranthene
J. Phys. Chem. A, 105 (2001) 8302-8309
J.A. Piest, J. Oomens, J. M. Bakker, G. von Helden and G. Meijer
Vibrational spectroscopy of gas-phase neutral and cationic phenanthrene in their electronic groundstates
Spectrochim. Acta A, 57 (2001) 717-735
G. von Helden, D. van Heijnsbergen, M.A. Duncan and G. Meijer
IR-REMPI of vanadium-carbide nanocrystals: Ideal versus truncated lattices
Chem.Phys. Lett. 333 (2001) 350-357
2000
G. von Helden, A. Kirilyuk, D. van Heijnsbergen, B. Sartakov, M.A. Duncan and G. Meijer
Infrared spectroscopy of gas-phase zirconium-oxide clusters.
Chem. Phys., 262 (2000) 31-39
J. Oomens, A.J.A. van Roij, G. Meijer and G. von Helden
Gas phase infrared photodissociation spectroscopy of cationic polyaromatic hydrocarbons.
Astrophys. J., 542 (2000) 404-410
D. van Heijnsbergen, G. von Helden, B. Sartakov and G. Meijer
IR-REMPI spectroscopy for thermometry of C60.
Chem. Phys. Lett. 321 (2000) 508-513
G. von Helden, A.G.G.M. Tielens, D. van Heijnsbergen, M.A. Duncan, S. Hony, L.B.F.M. Waters and G. Meijer
Titanium carbide nanocrystals in circumstellar environments.
Science, 288, 313-316 (2000).
K. Remmers, R.G. Satink, G. von Helden, J.A. Piest, G. Meijer and W.L. Meerts
Gas phase infrared spectroscopy on the lowest triplet state of the pyrazine-argon complex.,
Chem. Phys. Lett. 317 (2000) 197-202
1999
R.G. Satink, H. Piest, G. von Helden and G. Meijer
The infrared spectrum of the benzene-Ar cation.
J. Chem. Phys. 111 (1999) 10750-10753
D. van Heijnsbergen, G. von Helden, M.A. Duncan, A.J.A. van Roij and G. Meijer
Vibrational spectroscopy of gas phase metal carbide clusters and nanocrystals.
Phys. Rev. Lett. 83 (1999) 4983-4986
H. Piest, G. von Helden and G. Meijer
Infrared spectroscopy of jet-cooled cationic polyaromatic hydrocarbons:Naphthalene+.
Astrophys. J. Lett., 520 (1999) L75-L78
R. Engeln, G. von Helden, A.J.A. van Roij and G. Meijer
Cavity ring down spectrocopy on solid C60.
J. Chem. Phys. 110 (1999) 2732-2733
H. Piest, G. von Helden and G. Meijer
Infrared spectroscopy of jet-cooled neutral and ionized aniline-Ar.
J. Chem. Phys. 110 (1999) 2010-2015
G. von Helden, I. Holleman and G. Meijer
Excitation of C60 using a chirped free electron laser.
Optics Express, 4 (1999) 46-52
G. von Helden, I. Holleman, M. Putter, A.J.A. van Roij and G. Meijer
Infrared resonance enhanced multi-photon ionization spectroscopy of C84.
Chem. Phys. Lett. 299 (1999) 171-176
1998
G. von Helden, I. Holleman, A.J.A. van Roij, G.M.H. Knippels, A.F.G.van der Meer and G. Meijer
Shedding new light on thermionic electron emission of fullerenes.
Phys. Rev. Lett. 81 (1998) 1825-1828
G. von Helden, I. Holleman, M. Putter and G. Meijer
Photochemistry of solid C60 with tunable infrared radiation.
Appl. Phys. A, 67, 161-167 (1998).
1997
G. von Helden, I. Holleman, G.M.H. Knippels, A.F.G. van der Meer and G. Meijer
Infrared Resonance Enhanced Multi Photon Ionization of Fullerenes
Phys. Rev. Lett. 79 (1997) 5234-5237
R. Engeln, E. van den Berg, G. Meijer, L. Lin, G.M.H. Knippels and A.F.G. van der Meer
Cavity ringdown spectroscopy with a free-electron laser.
Chem. Phys. Lett., 269 (1997) 293-297
1996
M. Putter, G. von Helden and G. Meijer
Mass Selective Infrared Sprectroscopy using a Free Electron Laser
Chem. Phys. Lett., 258 (1996) 118-122