The systems germanium-graphite and germanium-silicon-carbon have been studied. Several gaseous molecules containing Ge, Si, and/or C were observed and their dissociation energies determined from measured partial pressures. A general picture of the dissociation energies of di-, tri-, and tetraatomic intergroup IVB molecules is deduced from these measurements.Incidental to this study the vapor pressure of pure Si was determined; the result confirms the heat of sublimation obtained previously.

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Persistent URL dx.doi.org/10.1063/1.1729893
Journal J. Chem. Phys.
Citation
Drowart, J, De Maria, G, Boerboom, A. J. H, & Inghram, M. G. (1959). Mass spectrometric study of inter-group IVB molecules. J. Chem. Phys., 30, 308–313. doi:10.1063/1.1729893