in neat (no solvent) pyrolysis;;

in gaseous matrix byproducts: H2; thermolysis in inert-gas mixt. (helium/argon/krypton 98.0:1.0:1.0), 313.4K, 84 min;

in gas Irradiation (UV/VIS); photolysis (excimer laser, 70 mJ, 10 ns pulses, 193.3 nm) of flowing gaseous diborane (7-20 mTorr, blackened pyrex cell); emission spectroscopy;