O2(a1Δg)-sensitized chemiluminescence of a1Δ → X3Σ− and b1Σ+ → X3Σ− transitions of group VI—group VI and group V—group VII diatomic molecules

Thea1Δ(a2) States of BiCl, BiBr, and BiI

“…2). The wavenumbers of the Q branches of the D£ Å 0 bands of the a2 r X 2 1 transitions of BiCl, BiBr, and BiI were fitted to the anharmonic oscillator formula using for the what smaller than the average value of 0.55 found for lighter group VI -VI and group V -VII molecules (2). The T e value of the a2 state of BiI is 1461 cm 01 lower than the result of the ab initio calculation of Alekseyev et al (8).…”

“…The bands are assigned to the Whereas the ground states and the b 1 S / states are well D£ Å 0 transitions of the a2 r X 2 1 systems. Vibrational analyknown for all 20 group V halides (1,2), the a 1 D states ses have yielded first spectroscopic constants of the a2 and have been observed only for seven of the molecules (NF improved data for the X 1 0 / and X 2 1 states. (1), NCl (3), NBr (3), PF (1), AsF (1), SbF (1), and BiF (4)).…”

REMPI Spectroscopy of SO Singlet States

“…More recently, Kanamori et al (3) found a comprehensive set of Dunham-type coefficients describing both the vibrational and rotational properties of that state. The term energy can be derived from an observation of the a 1 ⌬ 3 X 3 ⌺ Ϫ chemiluminescence by Bielefeld et al (4).…”

The b1Σ+(b0+)→ X3Σ−(X10+,X21) and a1Δ(a2)→X21 transitions of AsBr

“…As 79 Br As 81 Br Like in other group VI-VI and group V-VII radicals [9], excitation of the AsBr molecules likely proceeds by energy transfer and energy pooling processes from O 2 (a 1 D g ) (Eqs. (2) and (3)), where we assume that the molecules on the left hand side of Eqs.…”