Publications of Gert von Helden

Fielicke, A., G.von Helden, G. Meijer, D.B.. Pedersen, B. Simard and D.M. Rayner: Gold Cluster Carbonyls: Saturated Adsorption of CO on Gold Cluster Cations, Vibrational Spectroscopy, and Implications for Their Structures. Journal of the American Chemical Society 127 (23), 8416–8423 (2005).

Fielicke, A., G.von Helden, G. Meijer, B. Simard and D.M. Rayner: Gold cluster carbonyls: Vibrational spectroscopy of the anions and the effects of cluster size, charge and coverage on the CO stretching frequency. Journal of Physical Chemistry B 109 (50), 23935–23940 (2005).

Fielicke, A., G.von Helden, G. Meijer, B. Simard and D.M. Rayner: Direct Observation of size Dependent Activation of NO on Gold Clusters. Physical Chemistry Chemical Physics 7 (23), 3906–3909 (2005).

Fielicke, A., C. Ratsch, G.von Helden and G. Meijer: Isomer selective infrared spectroscopy of neutral metal clusters. The Journal of Chemical Physics 122, 091105–1-091105–4 (2005).

Helden, G.von, A. Fielicke and G. Meijer: Strukturaufklärung mit FELIX; Infrarot-Spektroskopie von Molekülen und Clustern am Freie-Elektronen-Laser FELIX. Physik Journal 4 (7), 39–44 (2005).

Moore, D.T., J. Oomens, J.R. Eyler, G.von Helden, G. Meijer and R.C. Dunbar: Infrared Spectroscopy of Gas-Phase Cr⁺ Coordination Complexes: Determination of Binding Sites and Electronic States. Journal of the American Chemical Society 127 (19), 7243–7254 (2005).

Oomens, J., N. Polfer, D.T. Moore, L.van der Meer, A.G. Marshall, J.R. Eyler, G. Meijer and G.von Helden: Charge-state resolved mid-infrared spectroscopy of a gas-phase protein. Physical Chemistry Chemical Physics 7 (7), 1345–1348 (2005).

Polfer, N.C., B. Paizs, L.C. Snoek, I. Compagnon, S. Suhai, G. Meijer, G.von Helden and J. Oomens: Infrared Fingerprint Spectroscopy and Theoretical Studies of Potassium Ion Tagged Amino Acids and Peptides in the Gas Phase. Journal of the American Chemical Society 127 (23), 8571–8579 (2005).

Ratsch, C., A. Fielicke, A. Kirilyuk, J. Behler, G.von Helden, G. Meijer and M. Scheffler: Structure determination of small vanadium clusters by density-functional theory in comparison with experimental far-infrared spectra. The Journal of Chemical Physics 122, 124302–1-124302–15 (2005).

Valle, J.J., 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 and G.T. Blakney: Free electron laser-Fourier transform ion cyclotron resonance mass spectrometry facility for obtaining infrared multiphoton dissociation spectra of gaseous ions. Review of Scientific Instruments 76 (2), 023103 (2005).

Bakker, J.M., I. Compagnon, G. Meijer, G.von Helden, M. Kabelac, P. Hobza and M.S. de Vries: The mid-IR absorption spectrum of gas-phase clusters of the nucleobases guanine and cytosine. Physical Chemistry Chemical Physics 6 (10), 2810–2815 (2004).

Carcabal, P., R.T. Kroemer, L.C. Snoek, J.P. Simons, J.M. Bakker, I. Compagnon, G. Meijer and G.von Helden: Hydrated complexes of tryptophan: ion dip infrared spectroscopy in the molecular fingerprint region, 100–2000 cm^–1. Physical Chemistry Chemical Physics 6 (19), 4546–4552 (2004).

Fielicke, A., G.von Helden, G. Meijer, D.B.. Pedersen, B. Simard and D.M. Rayner: Size and Charge Effects on the Binding of CO to Small Isolated Rhodium Clusters. Journal of Physical Chemistry B 108 (38), 14591–14598 (2004).

Fielicke, A., A. Kirilyuk, C. Ratsch, J. Behler, M. Scheffler, G.von Helden and G. Meijer: Structure Determination of Isolated Metal Clusters via Far-Infrared Spectroscopy. Physical Review Letters 93 (2), 023401 (2004).

Jaeger, T.D., A. Fielicke, G.von Helden, G. Meijer and M.A. Duncan: Infrared spectroscopy of water adsorption on vanadium cluster cations (V⁺_x;x=3-18). Chemical Physics Letters 392 (4-6), 409–414 (2004).

Jaeger, T.D., D.van Heijnsbergen, S.J. Klippenstein, G.von Helden, G. Meijer and M.A. Duncan: Vibrational Spectroscopy and Density Functional Theory of Transition-Metal Ion-Benzene and Dibenzene Complexes in the Gas Phase. Journal of the American Chemical Society 126 (35), 10981–10991 (2004).

Jockusch, R.A., R.T. Kroemer, F.O. Talbot, L.C. Snoek, P. Carcabal, J.P. Simons, M. Havenith, J.M. Bakker, I. Compagnon, G. Meijer and G.von Helden: Probing the glycosidic linkage: UV and IR ion-dip spectroscopy of a lactoside. Journal of the American Chemical Society 126 (18), 5709–5714 (2004).

Moore, D.T., J. Oomens, J.R. Eyler, G. Meijer, G.von Helden and D.P. Ridge: Gas-Phase IR Spectroscopy of Anionic Iron Carbonyl Clusters. Journal of the American Chemical Society 126 (45), 14726–14727 (2004).

Moore, D.T., J. Oomens, L. van der Meer, G.von Helden, G. Meijer, J. Valle, A.G. Marshall and J.R. Eyler: Probing the vibrations of shared, OH⁺ O-bound protons in the gas phase. ChemPhysChem 5 (5), 740–743 (2004).

Oomens, J., G.von Helden and G. Meijer: Infrared Photodissociation Spectroscopy of the Benzoic Acid Radical Cation in a Quadrupole Trap. Journal of Physical Chemistry A 108 (40), 8273–8278 (2004).