Ionization and dissociation energies of group 13 metal complexes with group 15 hydrides

Shenggang Li, Gretchen K. Rothschopf, Bradford R. Sohnlein, Dong Sheng Yang

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5 Scopus citations


In this work, 1:1 complexes of the group 13 metal atoms with the group 15 hydrides are prepared with laser-ablation molecular beam techniques and studied with threshold photoionization and zero electron kinetic energy photoelectron spectroscopies and ab initio calculations. Ionization energies of the M-EH3 (M = Al, Ga, In; E = N, P, As) complexes increase in the order N < P ≤ As, whereas bond dissociation energies decrease down the group 15 hydrides. For a given hydride, the ionization and dissociation energies are different among the three metals, though the variation is smaller than that of the ligand effect. Ionization enhances the binding between the metal and ligand, and the enhancement is as large as three to five times.

Original languageEnglish
Pages (from-to)6941-6944
Number of pages4
JournalJournal of Physical Chemistry A
Issue number30
StatePublished - Aug 1 2002

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry


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