Reference Label	Details
est unc	estimated uncertainty
Basch 1969	H. Basch, M. B. Robin, N. A. Kuebler, C. Baker, and D. W. Turner, J. Chem. Phys. 51, 52-66 (1969) Optical and Photoelectron Spectra of Small Rings. III. The Saturated Three-Membered Rings