\\ Species Tag:        &   53005 & Name:&  CCC-13-O      
\\ Version:            &       1 & & Tricarbon monoxide,
\\ Date:       &Jan. 1990         & & X $^1 \Sigma ^+$, 
\\ Contributor:&  R. L. Poynter & & $^{13}$C isotope
\\             &                 & & on carbon atom 1
\\ Lines Listed:       &      99 & Q(300.0)=&     1303.703
\\ Freq. (GHz) $<$     &     947 & Q(225.0)=&      977.762
\\ Max. J:             &      99 & Q(150.0)=&      651.884
\\ LOGSTR0=            &    -5.6 & Q(75.00)=&      326.075
\\ LOGSTR1=            &    -3.7 & Q(37.50)=&      163.196
\\ Isotope Corr.:      & -1.955  & Q(18.75)=&       81.763
\\ Egy. (cm$^{-1}$) $>$&     0.0 & Q(9.375)=&       41.049
\\ $\mu_a$ = & 2.391             & A=&
\\ $\mu_b$ = &                   & B=&4797.9956(34)
\\ $\mu_c$ = &                   & C=&
\headend

The line measurements were taken from R. D. Brown {\it et al.}, 1985, J.
Am. Chem. Soc. {\bf 107}, 4112.  The dipole moment was assumed to be
the same as for the parent species.