Weber Research Group ^{Ion Spectroscopy}

2012

• 52. C. L. Adams, B. J. Knurr, J. M. Weber, "Photoelectron Spectroscopy of 1-Nitropropane and 1-Nitrobutane Anions", in press, J. Chem. Phys. (February 2012)

2011

• 51. J. C. Marcum, A.I. Krylov, J. M. Weber, "Spectroscopy an Fragmentation of Undercoordinated Bromoiridates", J. Phys. Chem. A 115 (2011) 13482 - 13488
  
• 50. C. L. Adams, J. M. Weber "Photoelectron Imaging Spectroscopy of Nitroethane Anions",
   J. Chem. Phys. 134 (2011) 244301
  
• 49. J. C. Marcum, S. H. Kaufman, J. M. Weber "Gas-phase experiments on Au(III) photochemistry",
  J. Phys. Chem. A 115 (2011) 3006 - 3015
• 48. J. C. Marcum, S. H. Kaufman, J. M. Weber "UV Photodissociation of non-cyclic and cyclic mononucleotides", Int. J. Mass Spectrom. 303 (2011) 129–136

2010

• 47. J. C. Marcum, J. M. Weber "Microsolvation of nitromethane anions from the solute and solvent perspectives", J. Phys. Chem. A 114 (2010) 8933-8938
  
• 46. C. L. Adams, H. Schneider, J. M. Weber "Vibrational Autodetachment – Intramolecular Vibrational Relaxation Translated Into Electronic Motion", J. Phys. Chem. A 114 (2010) 4017-4030, Corrections in J. Phys. Chem. A 114 (2010) 8021 and J. Phys. Chem. A 115 (2011) 8588

2009

• 45. J. C. Marcum, J. M. Weber "Electronic photodissociation spectra and decay pathways of gas-phase IrBr₆^2-" J. Chem. Phys. 131 (2009) 194309
• 44. H. Schneider, K. Takahashi, R. T. Skodje, J. M. Weber "Infrared spectra of SF₆^-·HCOOH·Ar_n (n = 0 - 2): Infrared-triggered reaction and Ar-induced inhibition" J. Chem. Phys. 130 (2009) 174302
• 43. C. L. Adams, H. Schneider, K. M. Ervin, J. M. Weber "Low-energy photoelectron imaging spectroscopy of nitromethane anions: Electron affinity, vibrational features, anisotropies, and the dipole-bound state"
  J. Chem. Phys. 130 (2009) 074307
• 42. J. C. Marcum, A. Halevi, J. M. Weber "UV Photodamage to Isolated Mononucleotides - Photodissociation Spectra and Fragment Channels" Phys. Chem. Chem. Phys. 11 (2009) 1740 

2008

• 41. H. Schneider, K. M. Vogelhuber, F. Schinle, J. F. Stanton, J. M. Weber "Vibrational spectroscopy of nitroalkane chains using electron autodetachment and Ar predissociation" J. Phys. Chem. A 112 (2008) 7498-7506
• 40. A. N. Gloess, H. Schneider, J. M. Weber, and M. M. Kappes "Electronically excited states and visible region photodissociation spectroscopy of Au_m⁺·Ar_n Clusters (m = 7-9): Molecular dimensionality transition?" J. Chem. Phys., 128 (2008) 114312

2007

• 39. H. Schneider, J. M. Weber "Infrared spectra of SF₆^-·(H₂O)_n (n = 1 - 3): Incipient reaction and delayed onset of water network formation" J. Chem. Phys. 127 (2007) 244310
• 38. H. Schneider, K. M. Vogelhuber, F. Schinle, and J. M. Weber "Aromatic Molecules in Anion Recognition: Electrostatics versus H-Bonding" J. Am. Chem. Soc, 129 (2007) 13022 - 13026
• 37. H. Schneider, K. M. Vogelhuber and J. M. Weber "Infrared spectroscopy of anionic hydrated fluorobenzenes" J. Chem. Phys. 127 (2007) 114311
• 36. H. Schneider, J. M. Weber, E. M. Myshakin, K. D. Jordan, J. Bopp, T. Herden, M. A. Johnson "Theoretical and infrared spectroscopic investigation of the O₂^-·benzene and O₄^-·benzene complexes"
  J. Chem. Phys., 127 (2007) 084319

2006

• 35. J. M. Weber and H. Schneider "Infrared spectra of HC₂^-·(C₂H₂)_n and O₂^-·(C₂H₂)_n clusters (n = 2 - 5)"
  J. Chem. Phys. 125 (2006) 094307

2005

• 34. D. Löffler, J. M. Weber, M. M. Kappes "Threshold Photodetachment of a Doubly Charged Anion: Probing the Repulsive Coulomb Barrier" J. Chem. Phys. 123 (2005) 224308
• 33. H. Schneider, A. D. Boese, J. M. Weber "Unusual Hydrogen Bonding Behavior in Binary Complexes of Coinage Metal Anions With Water" J. Chem. Phys. 123 (2005) 084307
• 32. H. Schneider, A. D. Boese, J. M. Weber "Infrared Spectra of O₂^-·(CO₂)_n Clusters (n = 1 - 6): Asymmetric Docking at the p* Orbital" J. Chem. Phys. 123 (2005) 074316
• 31. M. Braun, S. Barsotti, S. Marienfeld, E. Leber, J. M. Weber, M.-W. Ruf, H. Hotop "High Resolution Study of Anion Formation in Low-Energy Electron Attachment to SF₆ Molecules in a Seeded Supersonic Beam"
  Eur. Phys. J. D, 35 (2005) 177
• 30. I. N. Ioffe, S. M. Avdoshenko, O. V. Boltalina, L. N. Sidorov, K. N. Berndt, J. M. Weber "Mass Spectrometry, Photoelectron Spectroscopy, and Quantum Chemical Studies of C₆₀F₃₄₂^- and C₆₀F₄₆₂^-"
  Int. J. Mass Spectrom. 243 (2005) 223
• 29. J. M. Weber "A Pulsed Ion Source for the Preparation of Metal Containing Cluster Ions Using Supersonic Entrainment of Laser Vaporized Metal" Rev. Sci. Instrum. 76 (2005) 043301
• 28. A. D. Boese, H. Schneider, A. N. Gloess, J. M. Weber "Infrared Spectrum of the Au^-·CO₂ Complex"
  J. Chem. Phys. 122 (2005) 154301
• 27. J.-W. Shin, N. Hammer, M. A. Johnson, H. Schneider, A. N. Gloess, J. M. Weber "An Infrared Investigation of the (CO₂)_n^- Clusters: Core Ion Switching From Both the Ion and Solvent Perspectives"
  J. Phys. Chem. A 109 (2005) 3146
• 26. O. T. Ehrler, J. M. Weber, F. Furche, M. M. Kappes "Photoelectron Spectroscopy of Doubly Negatively Charged Fullerenes C₇₆ , C₇₈ , C₈₄" J. Chem. Phys., 122 (2005) 094321 see also Virt. J. Nanoscale Sci. Technol., 11 (2005)

2004

• 25. E. G. Diken, G. H. Weddle, E. A. Price, J. M. Weber, M. A. Johnson "Argon Cluster-Mediated Trapping and Vibrational Spectroscopic Characterization of an OH^-·HCH₂^· Intermediate in the O^·- + CH₄ Reaction"
  J. Phys. Chem. A, 108 (2004) 10116
• 24. J. M. Weber, I. N. Ioffe, K. M. Berndt, D. Löffler, J. Friedrich, O. T. Ehrler, A. S. Danell, J. H. Parks, M. M. Kappes "Photoelectron Spectroscopy of Isolated Multiply Negatively Charged Oligonucleotides"
  J. Am. Chem. Soc. 126 (2004) 8576
• 23. J. M. Weber and H. Schneider "Infrared Spectra of X^-·CO₂·Ar Cluster Anions (X = Cl, Br, I)" J. Chem. Phys. 120 (2004), 10056; J. Chem. Phys. 122 (2005), 069901

2003

• 22. O. T. Ehrler, J. M. Weber, F. Furche, M. M. Kappes "Photoelectron Spectroscopy of Doubly Negatively Charged C₈₄" Phys. Rev. Lett. 91 (2003) 113006
• 21. W. H. Robertson, E. A. Price, G. H. Weddle, J. M. Weber, M. A. Johnson "Infrared Signatures of a Water Molecule Attached to Triatomic Domains of Molecular Anions: Evolution of the H-Bonding Configuration With Domain Length" J. Phys. Chem. A 107 (2003) 6527
• 20. A. Schweizer, J. M. Weber, S. Gilb, H. Schneider, D. Schooss, M. M. Kappes "Electronic Photodissociation Spectroscopy of Au₄⁺·Ar_n (n = 0 - 4): Experiment and Theory"
  J. Chem. Phys. 119 (2003) 3699
• 19. K. Arnold, T. S. Balaban, M. N. Blom, O. T. Ehrler, S. Gilb, O. Hampe, J. E. van Lier, J. M. Weber, M. M. Kappes "Electron Autodetachment from Isolated Nickel and Copper Phthalocyanine-Tetrasulfonate- Tetraanions: Isomer Specific Rates" J. Phys. Chem. A 107 (2003) 794

2001

• 18. J. Bömmels, E. Leber, A. Gopalan, J. M. Weber, S. Barsotti, M.-W. Ruf, H. Hotop "Energy Broadening due to Photoion Space Charge in a High Resolution Laser Photoelectron Source" Rev. Sci. Instrum. 72 (2001) 4098
• 17. J. M. Weber, W. H. Robertson, M. A. Johnson "Argon Predissociation and Electron Autodetachment Spectra of Size Selected CH₃NO₂^-·Ar_n Clusters" J. Chem. Phys. 115 (2001) 10718
• 16. J. M. Weber, J. Kim, E. A. Woronowicz, G. H. Weddle, I. Becker, O. Cheshnovsky, M. A. Johnson "Observation of Resonant Two-Photon Photodetachment of Water Cluster Anions via Femtosecond Photoelectron Spectroscopy" Chem. Phys. Lett., 339, 337-342, (2001)
• 15. J. M. Weber, J. A. Kelley, W. H. Robertson, M. A. Johnson "Hydration of a Structured Excess Charge Distribution: Infrared Spectroscopy of the O₂^-·(H₂O)_n , (1 ≤ n ≤ 5) Clusters" J. Chem. Phys., 114 (2001) 2698

2000

• 14. E. Leber, S. Barsotti, J. Bömmels, J. M. Weber, I. I. Fabrikant, M.-W. Ruf, H. Hotop "Vibrational Feshbach Resonances in Electron Attachment to Nitrous Oxide Clusters: Decay into Heterogeneous and Homogeneous Cluster Anions" Chem. Phys. Lett. 325 (2000) 345
• 13. E. Leber, S. Barsotti, I. I. Fabrikant, J. M. Weber, M.-W. Ruf, H. Hotop "Vibrational Feshbach Resonances in Electron Attachment to Carbon Dioxide Clusters" Eur. Phys. J. D 12 (2000) 125
• 12. J. A. Kelley, J. M. Weber, K. M. Lisle, W. H. Robertson, P. Ayotte, M. A. Johnson "The Infrared Predissociation Spectra of Cl^-·H₂O·Ar_n (n = 1 - 5): Experimental Determination of the Influence of Ar Solvent Atoms" Chem. Phys. Lett. 327 (2000) 1
• 11. J. M. Weber, I. I. Fabrikant, E. Leber, M.-W. Ruf, H. Hotop "Effects of Solvation on Dissociative Electron Attachment to Methyl Iodide Clusters" Eur. Phys. J. D 11 (2000) 247
• 10. J. M. Weber, J. A. Kelley, S. B. Nielsen, P. Ayotte, M. A. Johnson "Isolating the Spectroscopic Signature of a Hydration Shell With the Use of Clusters: Superoxide Tetrahydrate" Science 287 (2000) 2461

1999

• 9. J. M. Weber, E. Leber, M.-W. Ruf, H. Hotop "Formation of Small Water Cluster Anions by Attachment of Very Slow Electrons at Very High Resolution" Eur. Phys. J. D 7 (1999) 587
• 8. J. Bömmels, J. M. Weber, A. Gopalan, N. Herschbach, E. Leber, A. Schramm, K. Ueda, M.-W. Ruf, H. Hotop "Odd Rydberg Spectrum of ⁴⁰ArI: High Resolution Laser Spectroscopy and MQDT Analyses of the nd, J=4 Levels and the ng’, J=4 Resonances" J. Phys. B: At. Mol. Opt. Phys. 32 (1999) 2399
• 7. J. M. Weber, K. Ueda, D. Klar, J. Kreil, M.-W. Ruf, H. Hotop "Odd Rydberg Spectrum of ⁴⁰ArI: High Resolution Laser Spectroscopy and Multichannel Quantum Defect Analysis of the J=2 and 3 Levels"
  J. Phys. B: At. Mol. Opt. Phys. 32 (1999) 2381
• 6. A. Schramm, I. I. Fabrikant, J. M. Weber, E. Leber, M.-W. Ruf, H. Hotop "Vibrational Resonance and Threshold Effects in Inelastic Electron Collisions With Methyl Iodide Molecules"
  J. Phys. B: At. Mol. Opt. Phys. 32 (1999) 2153
• 5. J. M. Weber, E. Leber, M.-W. Ruf, H. Hotop "Nuclear-Excited Feshbach Resonances in Electron Attachment to Molecular Clusters" Phys Rev. Lett. 82 (1999) 516

1998

• 4. J. M. Weber, K. Hansen, M.-W. Ruf, H. Hotop "Penning Ionisation of C₆₀ and C₇₀"
  Chem. Phys. 239 (1998) 271
• 3. A. Schramm, J. M. Weber, J. Kreil, D. Klar, M.-W. Ruf, H. Hotop "Laser Photoelectron Attachment to Molecules in a Skimmed Supersonic Beam: Diagnostics of Weak Electric Fields and Attachment Cross Sections Down to 20 µeV" Phys. Rev. Lett. 81 (1998) 778

1996

• 2. J. M. Weber, M.-W. Ruf, H. Hotop "Rydberg Electron Transfer to C₆₀ and C₇₀"
  Z. Phys. D - Atoms, Molecules and Clusters, 37 (1996) 351-357

1994

• 1. D. Klar, K. Ueda, J. Ganz, K. Harth, W. Bußert, S. Baier, J. M. Weber, M.-W. Ruf, H. Hotop "High Resolution Measurement and Quantum Defect Analysis for the Ne nd' J=1, 2 and 3 Autoionizing Resonances" J. Phys. B. At. Mol. Opt. Phys. 27 (1994) 4897-49077