Pw. Hansen et Pw. Jensen, VIBRATIONAL STUDIES ON BIS-TERPYRIDINE-RUTHENIUM(II) COMPLEXES, Spectrochimica acta. Part A: Molecular spectroscopy, 50(1), 1994, pp. 169-183
The behaviour of the bis-terpyridine-ruthenium(II) complex is studied
with IR and Raman measurements followed by a normal coordinate analysi
s. Both in-plane and out-of-plane vibrations of the 2,2',6',2''-terpyr
idine unit are analysed. The observed frequencies am reproduced with a
n average error of 1.3 % for in-plane and 1.9 % for out-of-plane vibra
tions. The force field and the potential energy distribution are prese
nted using a 30 atomic approximation of the molecule. The results are
compared to the resonance Raman data, giving a qualitative description
of the resonant state. In order to obtain the results two specific de
uterated analogues of the bis-terpyridine-ruthenium(II) complex were s
ynthesized.