Knowledge Bank

The microwave spectrum of 1,1-difluorocyclopropane has been studied in the region 18-40 GHz. The spectrum is that of an asymmetric rotor with a-type selection rules. In addition to the normal species, the perdeuterated and several $\mathrm{<mrow\; data-mjx-texclass="ORD">13</mrow>}C$ substituted species have been studied. From the Stark effect, the dipole moment was determined to be 2.32 D.