Matches in SemOpenAlex for { <https://semopenalex.org/work/W2058487220> ?p ?o ?g. }
- W2058487220 abstract "Abstract The reactions Cl + SiHCl3 and Cl + SiH2Cl2 have been investigated with UV photoelectron spectroscopy and bands associated with the primary reaction products SiCl3 and SiHCl2 have been observed. The first vertical ionization energies of SiCl3 and SiHCl2 have been measured as (9.24 ± 0.03) and (9.06 ± 0.02) eV respectively. The corresponding band onsets are (8.45 ± 0.05) and (8.40 ± 0.05) eV. Evidence is presented, based on the results of ab initio molecular orbital calculations at the 6–31G**/MP2 level, that the experimental band onsets are upper limits of the adiabatic ionization energies. For each radical, by comparing the computed vertical ionization energy with the measured value, the calculated adiabatic ionization energy has been corrected to yield an estimate of the experimental adiabatic ionization energy. Using this procedure, the adiabatic ionization energies of SiCl3 and SiHCl2 are evaluated as (8.05 ± 0.10) and (7.90 ± 0.10) eV respectively. HCl and SiCl4 are found to be stable products of the Cl + SiHCl3 reaction, and HCl, SiCl2 and SiCl4 are products of the Cl + SiH2Cl2 reaction sequence. Similar studies have been made for the F + SiH2Cl2 and F + SiHCl3 reactions. F + SiH2Cl2 is notable in that it produces SiF2, SiFCl, and SiCl2 as secondary reaction products. The assignment of a reaction product band at (10.57 ± 0.01) eV vertical ionization energy to SiFCl has been supported by the results of ab initio molecular orbital calculations. For each reaction, spectra recorded at different reaction times allow a reaction scheme to be proposed." @default.
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- W2058487220 date "1993-12-01" @default.
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- W2058487220 title "A study of the reactions of chlorine and fluorine atoms with SiH2Cl2 and SiHCl3, with ultraviolet photoelectron spectroscopy" @default.
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- W2058487220 doi "https://doi.org/10.1016/0368-2048(93)01836-4" @default.
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