in ethanol; di-isopropyl ether Irradiation (UV/VIS); a soln. of Mn carbonyl in 4percent (by volume) ethanol-diisopropyl ether mixt. irradiating with a 250-W Hg lamp for 15 min under N2; identified by IR spectrum;

in hydrogenchloride; ethanol; di-isopropyl ether Irradiation (UV/VIS); aq. HCl mixing with a soln. of Mn carbonyl in 4percent (by volume) ethanol-diisopropyl ether mixt. under N2, irradiating with a 250-W Hg lamp for 20 min; identified by IR spectrum;