\begin{table}%t1
%\centering
\par
\caption{\label{table:1}The observed vibrational frequencies (\no) of H$_2$O, HOD, and
CD$_3$OD in the condensed H$_2$O:CD$_3$OD thin films.}
\small \begin{tabular}{ll}
\hline\hline\noalign{\smallskip}
Vibrational mode  & Band position $\left({\rm cm}^{-1}\right)$ \\
\hline
$\nu_1$(H$_2$O)   &  $\sim$3300 \\ $\nu_2$(H$_2$O) & $\sim$1700\\
$\nu_3$(H$_2$O)  &  $\sim$3300\\
$\nu_{\rm L}$(H$_2$O) &  $\sim$830\\
$\nu_2$+$\nu_{\rm L}$(H$_2$O)  &  $\sim$2250\\
$\nu_{\rm OD}$(HOD)  &  2425  \\
$\nu_{\rm OD}$(CD$_3$OD) & $\sim$2500--2350\\
$\nu_{\rm CD_3}$(CD$_3$OD)    &  2250, 2225, 2080\\
$\delta_{\rm CD_3}$(CD$_3$OD) &  1115, 1065\\
$\nu_{\rm CO}$(CD$_3$OD)  &  980 \\
  \hline
\end{tabular}
\end{table}