From data of high-temperature mass spectrometry, the standard enthalpies of formation and atomization of gaseous lithium salts LiCrO₂, LiMoO₃, and Li₂SiO₃ were found to be -342.7 ± 4.2 and 1397.5 ± 5.0, -589.1 ± 15.1 and 2153.1 ± 15.9, -1176.6 ± 8 and 2693 ± 10 kJ mol^-1, respectively.