The detection of unstable molecules by microwave spectroscopy: phospha-alkenes CF2PH, CH2PCl, and CH2PH

Abstract
The unstable phospha-alkenes CF2 PH,CH2 PCl, and CH2 PH have been identified by microwave spectroscopy as products in the pyrolysis of CF3PH2, CH3PCl2, and (CH3)2PH, respectively.