\begin{table}%tA.2
  \caption{Overview of the data obtained from the H{\sc
      itran}-database for polyatomic molecules and~N$_2$, and for 
      H$_2$.\label{polymol}}
%\centerline
{  \begin{tabular}{lllll}
  \hline\hline
  Molecule & Rot.~states$^1$ 
           & Vib.~states 
           & Lines 
           & Co-volume \\
  \hline
  H$_2$      &   20 &   5 &  1012 & 0.02661 \\
  H$_2$O     &  387 &  62 & 28171 & 0.03049 \\  
  HCN        &   46 &   5 &   703 & 0.04 \\
  C$_2$H$_2$ &   60 &   9 &  1426 & 0.05136 \\
  N$_2$      &   41 &   2 &   120 & 0.03913 \\
  CO$_2$     &   55 & 110 & 27093 & 0.04267 \\
  H$_2$S     &  487 &   5 &  5108 & 0.04287 \\
  SO$_2$     & 1787 &   8 & 38532 & 0.05636 \\
  OCS        &   99 &   3 &   461 & 0.05817 \\
  \hline
  \end{tabular}}
  $^1$ {In the vibrational ground state. Numbers 
      of rotational states in excited vibrational levels are similar.}
\end{table}