J. Phys. Chem. 1989,93, 7575-1583 in Figure 3. The averaged electronic transition moment for various levels v’ to u” is obtained from the following equation:” IKl2= 4.94 X ~ O ~ / ~ ( U ’ , V ’ ’ ) ~ ( V ’ , V ’ ’ ) T ~ , , , (111)
-
IReI2 is expressed in terms of atomic units. B is the emission frequency in wavenumbers. q(v‘,v’? represents the Franckxondon (17) Okabe, H. Phofochemisfryofsmall Molecules; Wiley: New York, 1978; p 39.
7575
factor for the v’- d’transition, T~~ being a luminescence lifetime. By use of the data T~ > 12 ps at &-im N 500 nm, IG1”(v’,v’’) is found to be
