\\ Species Tag: & 41009 & Name:& CH3NC \\ Version: & 1 & & Methyl isocyanide \\ Date: & Apr. 1995 & & \\ Contributor:& M. L. Delitsky & & \\ & H. M. Pickett & & \\ Lines Listed: & 1798 & Q(300.0)=& 9283.0358 \\ Freq. (GHz) $<$ & 1972 & Q(225.0)=& 6028.9376 \\ Max. J: & 98 & Q(150.0)=& 3281.9883 \\ LOGSTR0= & -8.0 & Q(75.00)=& 1161.2742 \\ LOGSTR1= & -100 & Q(37.50)=& 412.2614 \\ Isotope Corr.: & 0.0 & Q(18.75)=& 150.8351 \\ Egy. (cm$^{-1}$) $>$& 0.0 & Q(9.375)=& 58.8524 \\ $\mu_a$ = & 3.890 & A=& 157151. \\ $\mu_b$ = & & B=& 10052.9 \\ $\mu_c$ = & & C=& B \headend The observed lines are from A. Bauer and M. Bogey, 1970, C. R. Acad. Sc. Ser. B. {\bf 271}, 892. The dipole moment is from J. Cernicharo {\it et al.}, 1988, Astron. Astrophys. {\bf 189}, L1.