Title: On the geometry and inversion process of PF3+.{(X)over-tilde(2)A(1)}
Authors: Creve, S ×
Nguyen, Minh Tho #
Issue Date: 1997
Series Title: Chemical Physics Letters vol:273 issue:3-4 pages:199-204
Abstract: Geometries of PF3, PF3+. and the respective energy barriers to inversion are calculated using both MO (MP2, QCISD(T) and CISD) and DFT (B3LYP) methods. Various points on the potential energy surfaces are explored by means of vibrational analyses. Similar to the neutral species, PF3+. has, in its ground state (X) over tilde (2)A(1), a pyramidal geometry and undergoes inversion following an edge-inversion mechanism through T-shaped C-2v structures. Our calculations suggest the barrier heights of 225 kJ/mol for PF3 and 168 kJ/mol for PF3+.. Although these barriers to inversion are significantly smaller than those recently reported in the literature, the barrier of PF3+. is still greater than the value of the nu(2) frequency of this cation, supporting its pyramidal character. (C) 1997 Elsevier Science B.V.
ISSN: 0009-2614
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Quantum Chemistry and Physical Chemistry Section
× corresponding author
# (joint) last author

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