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Ionic dissociation dynamics and energetics of hexamethyldigermanium, (CH3)6Ge2, by threshold photoelectron-photoion coincidence spectroscopy

AuthorsDávalos, J.Z. ; Baer, T.; Blancas, C.
Issue Date2017
CitationChemical Physics Letters 684: 298- 303 (2017)
AbstractThreshold Photoelectron-Photoion Coincidence Spectroscopy (TPEPICO) has been used to study the ionic dissociation dynamics and energetics of MeGe (Me = CH). Ions are energy-selected and the 0 K dissociation onsets for methyl and MeGe loss are obtained from the breakdown diagram and mass spectra distributions, both of them analyzed and modeled with statistical SSACM theory and quantum chemical (DFT, MP2) calculations. An updated value for the enthalpy of formation, ΔH(g) of MeGe, is used to derive ΔH(MeGe,g) = 70.8 ± 8.9 kJ·mol. The bond dissociation enthalpies, BDE (Ge–X), of MeGe–X (X = Me, GeMe, Cl and Br) were also derived in this study.
Identifiersdoi: 10.1016/j.cplett.2017.06.035
issn: 0009-2614
Appears in Collections:(IQFR) Artículos
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