| Abstrakt: |
In the present paper, ionization energies of LinCln– 1 (n = 3, 4, and 5) clusters were studied by means of the modified Knudsen cell mass spectrometry method, for the first time. The temperature dependence of the intensities of Li3Cl , Li4Cl and Li5Cl ions were measured in the interval 1128–1616, 1126–1435, and 1947–2278 K, respectively. The following ionization energies were obtained: IE(Li3Cl2) = 4.51 ± 0.2 eV, IE(Li4Cl3) = 4.18 ± 0.2 eV, and IE(Li4Cl3) = 5.05 ± 0.2 eV. A good correlation of the experimental results with the theoretical adiabatic ionization energy is recognized. Results are confirmation that these clusters can be classified as "superalkalis." [ABSTRACT FROM AUTHOR] |
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