in solid matrix Irradiation (UV/VIS); Hg evapd. from liq. at 50°C; codeposited with D2 (2-8percent) and O2 (0.2-2.0percent) in excess Ar onto CsI window at 8 K; irradiated (mercury arc, >220 nm) for 15 min; annealed to 12 K; photolyzed for 20 min; annealed t o 14 K; photolyzed; monitored by IR spectra;
