MICROWAVE SPECTRA OF THE METHYLCYANOPOLYYNES $CH_{3}(C\equiv C)_{n}CN, n=2,3,4,5$

Author Institution: Harvard-Smithsonian, Center for Astrophysics; Division of Engineering and Applied Sciences, Harvard University; Department of Chemistry, Wesleyan University; Harvard-Smithsonian Center for Astrophysics, Wesleyan University; Division of Engineering and Applied Sciences, Harvard University