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|Title: ||Ionization Bands and Electron Affinities of Mixed Boron-Nitrogen BnNn Clusters (n = 3,4,5)|
|Authors: ||DELEUZE, Michael|
Cederbaum, L. S.
|Issue Date: ||2000|
|Publisher: ||AMER CHEMICAL SOC|
|Citation: ||JOURNAL OF PHYSICAL CHEMISTRY A, 104(7). p. 1588-1596|
|Abstract: ||The ionization bands and electron affinities of medium-size BnNn clusters (n = 3, 4, 5) have been investigated by means of one-particle Green's function calculations using the outer-valence Green's function (OVGF) approximation or the third-order algebraic diagrammatic construction [ADC(3)] scheme. Despite their structural similarity with isoelectronic cumulenic carbon chains and rings, these clusters do not exhibit a significant breakdown of the orbital picture of ionization, with the exception of the N2s bands (b > 25 eV), which relate exclusively to complex sets of shake-up lines. The main (one-hole) ionization bands provide specific signatures for ring topologies based on n equivalent vertices, whereas a reduction of the curvature of N-B-N bridges with increasing system size can be followed from the N2s bands. The B3N3- anion is slightly stable against electron loss, whereas negative vertical electron affinities are obtained for B4N4 and B5N5.|
|ISI #: ||000085606800029|
|Type: ||Journal Contribution|
|Validation: ||ecoom, 2001|
|Appears in Collections: ||Research publications|
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