Publications of Gert von Helden

Kirilyuk, A.; Fielicke, A.; Demyk, K.; Helden, G. v.; Meijer, G.; Rasing, T.: Ferrimagnetic cagelike Fe₄O₆ cluster: Structure determination from infrared dissociation spectroscopy. Physical Review B, Rapid Comm. 82 (2), pp. 020405 -1 - 020405 -4 (2010)

Kupser, P.; Pagel, K.; Oomens, J.; Polfer, N. C.; Koksch, B.; Meijer, G.; Helden, G. v.: Amide-I and -II Vibrations of the Cyclic β-Sheet Model Peptide Gramicidin S in the Gas Phase. Journal of the American Chemical Society 132 (6), pp. 2085 - 2093 (2010)

Rijs, A. M.; Ohanessian, G.; Oomens, J.; Meijer, G.; Helden, G. v.; Compagnon, I.: Internal Proton Transfer Leading to Stable Zwitterionic Structures in a Neutral Isolated Peptide. Angewandte Chemie 122 (13), pp. 2382 - 2385 (2010)

Rijs, A. M.; Ohanessian, G.; Oomens, J.; Meijer, G.; Helden, G. v.; Compagnon, I.: Internal proton transfer leading to stable zwitterionic structures in a neutral isolated peptide. Angewandte Chemie International Edition 49 (13), pp. 2332 - 2335 (2010)

Rossi, M.; Blum, V.; Kupser, P.; Helden, G. v.; Bierau, F.; Pagel, K.; Meijer, G.; Scheffler, M.: Secondary Structure of Ac-Ala_n-LysH⁺ Polyalanine Peptides (n = 5,10,15) in Vacuo: Helical or Not? The Journal of Physical Chemistry Letters 1 (24), pp. 3465 - 3470 (2010)

Zhu, H.; Blom, M.; Compagnon, I.; Rijs, A. M.; Roy, S.; Helden, G. v.; Schmidt, B.: Conformations and vibrational spectra of a model tripeptide: change of secondary structure upon micro-solvation. Physical Chemistry Chemical Physics 12, pp. 3415 - 3425 (2010)

Pagel, K.; Kupser, P.; Bierau, F.; Polfer, N. C.; Steill, J. D.; Oomens, J.; Meijer, G.; Koksch, B.; Helden, G. v.: Gas-phase IR spectra of intact alpha-helical coiled coil protein complexes. International Journal of Mass Spectrometry 283 (1-3), pp. 161 - 168 (2009)

Filsinger, F.; Erlekam, U.; Helden, G. v.; Küpper, J.; Meijer, G.: Selector for structural isomers of neutral molecules. Physical Review Letters 100 (13), 133003 (2008)

Helden, G. v.; Compagnon, I.; Blom, M.; Frankowski, M.; Erlekam, U.; Oomens, J.; Brauer, B.; Gerber, R. B.; Meijer, G.: Mid-IR spectra of different conformers of phenylalanine in the gas phase. Physical Chemistry Chemical Physics 10 (9), pp. 1248 - 1256 (2008)

Kupser, P.; Steill, J. D.; Oomens, J.; Meijer, G.; Helden, G. v.: IR spectroscopy of gas-phase C₆₀⁻. Physical Chemistry Chemical Physics 10 (45), pp. 6862 - 6866 (2008)

Abo-Riziq, A.; Crews, B. O.; Compagnon, I.; Oomens, J.; Meijer, G.; Helden, G. v.; Kabelác, M.; Hobza, P.; de Vries, M. S.: The Mid-IR Spectra of 9-Ethyl Guanine, Guanosine, and 2-Deoxyguanosine. Journal of Physical Chemistry A 111 (31), pp. 7529 - 7536 (2007)

Blom, M. N.; Compagnon, I.; Polfer, N. C.; Helden, G. v.; Meijer, G.; Suhai, S.; Paizs, B.; Oomens, J.: Stepwise Solvation of an Amino Acid: The Appearance of Zwitterionic Structures. Journal of Physical Chemistry A 111 (31), pp. 7309 - 7316 (2007)

DiStasio, R. A.; Helden, G. v.; Steele, R. P.; Head-Gordon, M.: On the T-shaped structures of the benzene dimer. Chemical Physics Letters 437 (4-6), pp. 277 - 283 (2007)

Erlekam, U.; Frankowski, M.; Helden, G. v.; Meijer, G.: Cold collisions catalyse conformational conversion. Physical Chemistry Chemical Physics 9, pp. 3786 - 3789 (2007)

Fielicke, A.; Ratsch, C.; Helden, G. v.; Meijer, G.: The Far-Infrared Spectra of Neutral and Cationic Niobium Clusters: Nb₅^0/+ to Nb₉^0/+ . Journal of Chemical Physics 127, 234306 (2007)

Bekkerman, A.; Kolodney, E.; Helden, G. v.; Sartakov, B.; Heijnsbergen, D. v.; Meijer, G.: Infrared multiphoton ionization of superhot C₆₀: Experiment and model calculations. The Journal of Chemical Physics 124, pp. 184312-1 - 184312-11 (2006)

Compagnon, I.; Oomens, J.; Meijer, G.; Helden, G. v.: Mid-infrared spectroscopy of protected peptides in the gas phase: a probe of the backbone conformation. Journal of the American Chemical Society 128 (11), pp. 3592 - 3597 (2006)

Erlekam, U.; Frankowski, M.; Meijer, G.; Helden, G. v.: An experimental value for the B_1u C-H stretch mode in benzene. The Journal of Chemical Physics 124 (17), 171101 (2006)

Fielicke, A.; Helden, G. v.; Meijer, G.; Pedersen, D. B.; Simard, B.; Rayner, D. M.: Size and charge effects on the binding of CO to late transition metal clusters. The Journal of Chemical Physics 124, pp. 194305-1 - 194305-8 (2006)

Oomens, J.; Meijer, G.; Helden, G. v.: An Infrared spectroscopy study of protonated and cationic indazole. International Journal of Mass Spectrometry 249-250, pp. 199 - 205 (2006)