A. Thoma et al., VISIBLE ADSORPTION AND FLUORESCENCE OF ALC, B(4)SIGMA-[--]X(4)SIGMA-,IN SOLID ARGON, The Journal of chemical physics, 98(11), 1993, pp. 8458-8461
Spectroscopic investigations of aluminum carbide, AIC, in an argon mat
rix have been performed. The visible B 4SIGMA- <-- --> X 4SIGMA- trans
ition has been observed in absorption and laser induced fluorescence w
ith a Fourier transform spectrometer. Carbon-13 isotopic substitution
has confirmed the carrier to be AlC. The spectroscopic constants in so
lid argon are found to be X4SIGMA- (omega(e) = 639.3 cm-1, omega(e)x(e
) = 4.5 cm-1) and B 4SIGMA- (T(e) = 22 610.5 cm-1, omega(e) = 746.2 cm
-1, omega(e)x(e) = 10.3 cm-1).