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  • 1
    Electronic Resource
    Electronic Resource
    Photoelectron spectroscopy of (CO2)n(H2O) m − clusters (1993)
    Springer
    The European physical journal 26 (1993), S. 367-369 
    Details
    ISSN: 1434-6079
    Keywords: 36.40 ; 33.80
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Photoelectron spectra of (CO2)nH2O− (2≤n≤8) and (CO2)n(H2O) 2 − (1≤n≤2) were measured at the photon energy of 3.49 eV. The spectra show unresolved broad features, which are approximated by Gaussians. The vertical detachment energies (VDEs) were determined as a function of the cluster size. For (CO2)nH2O−, the VDE-n plots exhibit a sharp discontinuity between n=3 and 4; the VDE value is ≈3.5 eV at n=3, while it drops down abruptly to 2.59 eV at n=4. This discontinuity in VDE is ascribed to "core switching" at n=4; a C2O 4 − dimer anion forms the core of (CO2)nH2O− for n≤3, while a monomer CO 2 − is the core for n≥4. The (CO2)2(H2O) 2 − ion has a VDE of 2.33 eV, indicating the presence of a CO 2 − monomer core in the binary clusters containing two H2O molecules.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01429197
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  • 2
    Electronic Resource
    Electronic Resource
    Photofragmentation of cluster ions: the visible photoabsorption spectrum of Ar2N 2 + (1991)
    Springer
    The European physical journal 20 (1991), S. 153-155 
    Details
    ISSN: 1434-6079
    Keywords: 36.40 ; 33.80 ; 33.20
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The absolute cross section for photodissociation of Ar2N 2 + was measured as a function of wavelength in the 470–550 nm range. A structureless broad band was observed; the cross section has a maximum of ∼ 210 × 10−18 cm2 at ∼ 500 nm. The measurement of the photofragment time-of-flight spectrum shows that(1) N 2 + , Ar+ and Ar 2 + are produced in the photodissociation of Ar2N 2 + in the wavelength range studied, and that(2) the observed visible absorption band is ascribable to a parallel-type transition of Ar2N 2 + , which possibly retains a linear geometry.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01543961
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    Paper (German National Licenses)
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