Reference Label	Details
Scheer 1998	M. Scheer, R. C. Bilodeau, C. A. Brodie, and H. K. Haugen, Phys. Rev. A 58, 2844-2856 (1998) Systematic Study of the Stable States of C2, Si2, Ge2, and Sn2 via Infrared Laser Spectroscopy
note unc	The quoted uncertainty appeared to correspond to one std dev. and was multiplied by 2 to come closer to the desired 95% confidence limit