in solid matrix Irradiation (UV/VIS); cocondensed with argon onto a rhodium-plated copper surface over a period of 30 min at 12 K, photolysis >= 400 nm; detn. by IR;

in solid matrix byproducts: CH4; cocondensed with argon onto a rhodium-plated copper surface over a period of 30 min at 12 K; detn. by IR;