\\ Species Tag:        &   30009 & Name:&  NND+            
\\ Version:            &       1 & & Diazenylium,
\\ Date:       &  Jan. 1984      & & Deuterium isotope,
\\ Contributor:&  R. L. Poynter  & & X $^1 \Sigma ^+$ 
\\             &                 & &  
\\ Lines Listed:       &      41 & Q(300.0)=&      487.641  
\\ Freq. (GHz) $<$     &    2993 & Q(225.0)=&      365.932  
\\ Max. J:             &      39 & Q(150.0)=&      244.231  
\\ LOGSTR0=            &    -3.5 & Q(75.00)=&      122.631  
\\ LOGSTR1=            &    -3.9 & Q(37.50)=&       61.816  
\\ Isotope Corr.:      &  -3.824 & Q(18.75)=&       31.420  
\\ Egy. (cm$^{-1}$) $>$&     0.0 & Q(9.375)=&       16.241  
\\ $\mu_a$ = &  3.40             & A=&  
\\ $\mu_b$ = &                   & B=& 38554.719 
\\ $\mu_c$ = &                   & C=&  
\headend  
  
      The experimental measurements were reported by T. G. Anderson, T. A. 
Dixon, N. D. Piltch, R. J. Saykally, P. G. Szanto, and R. C. Woods, 1977, 
Astrophys. J. Lett. Ed. {\bf 216}, L85, and by K. V. L. N. Sastry, 
P. Helminger, E. Herbst, and F. C. De~Lucia, 1981, Chem.~Phys.~Lett.
{\bf 84}, 826.  The dipole moment was assumed to be the same as for 
the parent species.