Rotational spectroscopy of isotopic cyclopropenone, $c$-H${}_2$C${}_3$O, and determination of its equilibrium structure

Holger S. P. Müller, Ananya Brahmi M., Jean-Claude Guillemin +2

Cyclopropenone was first detected in the cold and less dense envelope of Sagittarius B2(N). It was found later in several cold dark clouds and it may be possible to detect its mino…