14594-80-0Relevant articles and documents
Interaction of boron cluster ions with water: Single collision dynamics and sequential etching
Hintz, Paul A.,Ruatta, Stephen A.,Anderson, Scott L.
, p. 292 - 303 (1990)
Reactions of mass-selected, cooled, boron cluster ions (Bn+, n = 1-14) with water have been studied for collision energies from 0.1 to 6.0 eV.Most work was done with D2O, however isotope effects were examined for selected reactant cl
Oxidation of small boron cluster ions (B1-13+) by oxygen
Hanley, Luke,Anderson, Scott L.
, p. 2848 - 2860 (2007/10/02)
Absolute cross sections for all ionic products formed in reactions of B1-13+ with oxygen have been measured under single collision conditions, at collision energies from 0.25 to 10 eV.Three main reaction mechanisms appear to be important: oxidative fragmentation, collision induced dissociation, and boron atom abstraction.The dominant oxidation process are exoergic for all cluster sizes, but appear to have bottlenecks or activation barriers for the larger cluster ions.Clusters smaller than B6+ have similar chemistry, then there is a sharp transition in chemistry for clusters larger than B6+.Correlations are explored between cluster reactivity and cluster stability, and the oxidation chemistry is compared to the similar results found for aluminum cluster ion oxidation.
Emission spectra and electronic structure of group Illa monohalide cations
Glenewinkel-Meyer, Th.,Kowalski, A.,Mueller, B.,Ottinger, Ch.,Breckenridge, W. H.
, p. 7112 - 7125 (2007/10/02)
Optical spectra of ten AX+ ions (A = B, Al, Ga, In; X = F, Cl, Br) have been observed in the visible and near UV; a total of 18 band systems were newly discovered.The emission was produced by chemiluminescent reactions A+ + X2 at low (2-10 eVCM ) kinetic energy in a beam-gas arrangement.A position-sensitive photon counting detector with large surface area and very low dark count rate was employed, the resolution was mostly 5-50 Angstroem FWHM.Three types of band systems were observed: ( 1 ) For all AX+ combinations except BCl+ and BBr+, a very broad quasicontinuum with undulatory structure appears.On the basis of electronic state correlation arguments, photoelectron data, some ab initio calculations and, in one case, a known emission spectrum (InCl+ ) these band systems were identified as B2Σ+-X2Σ+ transitions.It is concluded that the excited state potentials are considerably displaced against the ground state, and their energetics are given. (2) For six species AX+, narrow band systems were observed in the 2500 Angstroem region.They could be clearly identified as being due to C2Π- X2Σ+ transitions by means of comparison with the systematics of the analogous A2Π-X2Σ+ transitions of the isoelectronic alkaline earth halides, by the resolved fine structure, and, in the case of AlF+, by an ab initio calculation. (3) In the GaCl+, GaBr+, and InBr+ spectra, narrow features accompany the C-X transitions.They are attributed to D2Σ+-X2Σ+ transitions, analogous to the alkaline earth halide B2Σ+-X2Σ+ band systems.Qualitative electronic state correlations are discussed, and the expected dominant configurations in different regions of the AX+ ground and excited states are given.These are in accord with recent ab initio results on AlF+.
