The first observation in the near infrared of the 12C2H2–Kr van der Waals complex is reported, leading to the determination of rotational constants and the prediction of the 1 0 1 (J′Ka′Kc′) ← 0 0 0 (J′′Ka′′Kc′′) microwave transition occurring at 3.334(4) MHz, useful for astrophysical detection.
Lauzin, C., & Didriche, K. (2011). High resolution spectroscopic investigation of a new van der Waals complex: C2H2-Kr. Physical Chemistry Chemical Physics, 13(2), 751-754. https://hdl.handle.net/2078.5/190551 (Original work published 2011)