One of the vibrational levels of CrO_2Cl_2 was excited with R28 branch of TEA CO_2 laser. Fluorescence of electronic state of the molecule is observed.

• 用TEA CO_2激光器的R28支线激发铬酰氯(CrO_2Cl_2)分子的某一振动能级,可观察到该分子的电子态荧光。