Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{2b}}&{}\approx{}&6.704718023924&{}:{}&6.729173723164&{}:{}&-12.433891747089&,\\B^\prime_{\mathbf{2b}}&{}\approx{}&-0.395310994322&{}:{}&2.125750467584&{}:{}&-0.730439473262&,\\C^\prime_{\mathbf{2b}}&{}\approx{}&-0.911655337330&{}:{}&0.911655337330&{}:{}&1.000000000000&,
\\
A^{\prime\prime}_{\mathbf{2b}}&{}\approx{}&-0.551486858002&{}:{}&1.758529720179&{}:{}&-0.207042862176&,\\B^{\prime\prime}_{\mathbf{2b}}&{}\approx{}&-0.002917899166&{}:{}&1.605764791221&{}:{}&-0.602846892056&,\\C^{\prime\prime}_{\mathbf{2b}}&{}\approx{}&-0.001356955228&{}:{}&2.381177196198&{}:{}&-1.379820240970&,
\\
A^{\prime\prime\prime}_{\mathbf{2b}}&{}\approx{}&-0.182671131818&{}:{}&0.982298113268&{}:{}&0.200373018550&,\\B^{\prime\prime\prime}_{\mathbf{2b}}&{}\approx{}&0.322107426834&{}:{}&0.323282325216&{}:{}&0.354610247950&,\\C^{\prime\prime\prime}_{\mathbf{2b}}&{}\approx{}&0.220141714592&{}:{}&1.188110838086&{}:{}&-0.408252552678&,
\\
A^*_{\mathbf{2b}}&{}\approx{}&0.000000000000&{}:{}&1.980785280403&{}:{}&-0.980785280403&,\\B^*_{\mathbf{2b}}&{}\approx{}&0.195090322016&{}:{}&0.000000000000&{}:{}&0.804909677984&,\\C^*_{\mathbf{2b}}&{}\approx{}&-0.136379290286&{}:{}&1.136379290286&{}:{}&0.000000000000&.
\end{alignedat}
\]