\begin{table}%t3 \par \caption{\label{adopted}Atmospheric parameters and C, N, O~abundances.} \small%\centerline { \begin{tabular}{l c c c r c c c} \hline\hline \noalign{\smallskip} Star &$T\rm{_{eff}}$ (K)&$\log g$&$\xi$ (km s$^{-1}$)&[M/H]&C&N&O\\ \noalign{\smallskip} \hline\noalign{\smallskip} \multicolumn{8}{c}{Late-R~stars}\\ \hline\noalign{\smallskip} HIP~35~810 &3300 &0.0 &2.8&--0.38 &~8.40 &~7.30$^a$ &8.35 \\ HIP~36~623 &3300 &0.0 &2.1&--0.27 &~8.35 & 7.70 &8.31 \\ HIP~91~929 &3300 &0.0 &2.5&0.00 &~8.68 & ~7.78$^a$ &8.66 \\ HIP~108~205 &2500 &0.0 &2.3&0.00 &~8.67 & ~7.78$^a$ &8.66 \\ HIP~109~158 &2500 &0.0 &2.5&--0.02 &~8.68 & ~7.78$^a$ &8.66 \\ \hline\noalign{\smallskip} \multicolumn{8}{c}{Early-R~stars}\\ \hline\noalign{\smallskip} HIP~39~118 &4250&2.0 &1.8&--0.29 & ~8.77 & 8.00&$<$9.05$^b$ \\ HIP~44~812 &3950&1.5 &3.0&--0.03 & ~8.75 & 8.70&8.66 \\ HIP~53~832 &4500&2.5 &2.3&--0.77 & ~8.08 & 8.10&8.06 \\ HIP~58~786 &4250&2.0 &2.2&--0.29 & ~8.63 & 7.60&8.47 \\ HIP~62~944 &4300 &2.4 &2.0&0.12 & ~8.80 & 8.30&~9.05$^b$ \\ HIP~69~089 &4750 &1.5 &2.0&--0.17 & ~8.40 & 8.40&8.46 \\ HIP~74~826 &4750 &2.0 &1.5&--0.30 & ~8.43 & 8.18&8.36 \\ HIP~82~184 &4500 &2.0 &3.0&--0.15 & ~8.42 & 8.25&8.51 \\ HIP~84~266 &4750 &2.0 &2.4&--0.10 & ~8.78 & 8.40&8.56 \\ HIP~85~750 &3800 &1.2 &2.0&--0.48 & ~8.38 & 7.98&8.36 \\ HIP~86~927 &4700 &2.4 &2.3&--0.05 & ~8.47 & 7.98&8.66 \\ HIP~87~603 &4100 &2.0 &2.3&--0.52 & ~8.60 & 7.68&8.36 \\ HIP~88~887 &3950 &1.5 &3.0&--0.09 & ~8.80 & 8.70&8.66 \\ HIP~94~049 &4100 &2.0 &2.3&--0.62 & ~8.48 & 7.98&8.36 \\ HIP~95~422 &3950&2.0 &3.0&--0.26 & ~8.73 & ~7.78$^a$&8.36 \\ HIP~98~223 &3800&1.5 &1.9&--0.79 & ~8.05 & 7.10&7.97 \\ HIP~113~150&4500&2.0 &2.4&--0.47 & ~8.85 & ~7.60$^a$&8.36 \\ \hline \end{tabular} } \smallskip $^a$ N~abundance scaled with the stellar metallicity. \\ $^b$ O~abundance derived from the $\lambda$ 6300.3~\AA{} \mbox{[O I]} line using the atomic line parameters from \citet{caffau2008}. \end{table}