14104-45-1Relevant articles and documents
Comparison of the proton and deuteron transfer in the hydrogen (deuterium) iodide-ammonia or trimethylamine systems trapped in argon and nitrogen
Schriver, Louise
, p. 1155 - 1160 (1987)
Infrared spectra of ND3/HI, NH3 or ND3/DI and N(CH3)3/DI mixtures trapped in Ar or N2 have been recorded in order to complete our previous work [J. Am. chem. Soc. 105, 3843 (1983)] on NHsu
Electron attachment on HI and DI in a uniform supersonic flow: Thermalization of the electrons
Goulay,Rebrion-Rowe,Carles,Le Garrec,Rowe
, p. 1303 - 1308 (2008/01/27)
The attachment of electron on HI and DI was studied in the 48-170 K range using the CRESU (Cinetique de Reaction en Ecoulement Supersonic Uniforme) technique. The attachment to HI was found to be exothermic and was expected to be fast and to proceed at a rate closed to the capture limit. The attachment to DI was found to be endothermic, where a positive temperature dependence was expected to occur if the electrons were thermal. A model, based on electron heating by superelastic collisions with the buffer gas was proposed.
The mechanism of formation and infrared-induced decomposition of HXeI in solid Xe
Pettersson, Mika,Nieminen, Janne,Khriachtchev, Leonid,Raesaenen, Markku
, p. 8423 - 8431 (2007/10/03)
Ultraviolet (UV) irradiation of HI-doped xenon matrix dissociates the precursor and leads to the formation and trapping of neutral atoms. After UV photolysis, annealing of the matrix mobilizes the hydrogen atoms at about 38 K. The mobilized hydrogen atoms react with I/Xe centers forming HXeI molecules in a diffusion controlled reaction. The formed molecules can be photolyzed with infrared (IR) irradiation at 2950-3800 cm-1 and quantitatively regenerated thermally. The formation of HXeI from neutral atoms is proved by the quantitative correlation between neutral iodine atoms and HXeI molecules in selective IR photodissociation and thermal regeneration experiments. Kinetic measurements show that the formation of HXeI from atoms is prevented by a potential barrier, which is estimated to be 700 cm-1 in magnitude. The potential barrier is proposed to originate from the avoided crossing between neutral H+Xe+I and ionic (HXe)++I- singlet surfaces. The dissociation energy D0 of HXeI with respect to the top of the potential barrier is estimated to be 2950 cm-1 and De about 4070 cm-1 in solid Xe. The weak IR photodissociation profile of HXeI around 3000 cm-1 is measured by irradiating the sample with tunable IR source and monitoring the changes in the fundamental region. The formation mechanism from neutral atoms is believed to be valid for other similar rare-gas compounds.
The Reaction of N(24S3/2) with Hydrogen Halides and Deuterium Iodide
Umemoto, Hironobu,Uchida, Teruo,Tsunashima, Shigeru,Sato, Shin
, p. 1641 - 1644 (2007/10/02)
The bimolecular rate constants for the reactions of ground state atomic nitrogen with hydrogen halides and deuterium iodide were measured by employing a pulse radiolysis-resonance absorption technique.As for the reactions of hydrogen iodide and deuterium iodide, the temperature dependence was also measured; it was found that the rate constants were well expressed by the following Arrhenius expressions: k(N+HI)=(3.6+/-0.6)E5 exp; k(N+DI)=(1.0+/-0.4) exp, in units of m3mol-1s-1.The preexponential factors for these reactions are much smaller than the semiempirically calculated ones.These small preexponential factors suggest that these reactions proceed non-adiabatically.The rate constants for hydrogen bromide and hydrogen chloride were found to be very small.