Laboratory and astronomical discovery of magnesium dicarbide, MgC${}_2$

P. B. Changala, H. Gupta, J. Cernicharo +6

We report the detection of magnesium dicarbide, MgC${}_2$, in the laboratory at centimeter wavelengths and assign ${}^{24}$MgC${}_2$, ${}^{25}$MgC${}_2$, and ${}^{26}$MgC${}_2$ to 14 unidentifie…