in neat (no solvent, solid phase)
warmed to 370 K helium admitted to give a total system pressure of ca. 130 Pa, heated to 873 K; identified by IR-spectroscopy;;
参考文献
Aziz, S. G.; Porwol, T.; Watts, J. D.; Suffolk, R. J.
Inorganica Chimica Acta, 1988 , vol. 146, p. 167 - 172