Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{6a}}&{}\approx{}&1.029779944088&{}:{}&-0.012408310037&{}:{}&-0.017371634051&,\\B^\prime_{\mathbf{6a}}&{}\approx{}&5.998426136278&{}:{}&8.997901515037&{}:{}&-13.996327651315&,\\C^\prime_{\mathbf{6a}}&{}\approx{}&0.611115016909&{}:{}&-1.018525028182&{}:{}&1.407410011273&,
\\
A^{\prime\prime}_{\mathbf{6a}}&{}\approx{}&1.109223228887&{}:{}&-0.092411015959&{}:{}&-0.016812212927&,\\B^{\prime\prime}_{\mathbf{6a}}&{}\approx{}&1.024740894495&{}:{}&-0.024517927321&{}:{}&-0.000222967174&,\\C^{\prime\prime}_{\mathbf{6a}}&{}\approx{}&1.035939167404&{}:{}&-0.001238967682&{}:{}&-0.034700199722&,
\\
A^{\prime\prime\prime}_{\mathbf{6a}}&{}\approx{}&0.208200450502&{}:{}&0.312309780339&{}:{}&0.479489769159&,\\B^{\prime\prime\prime}_{\mathbf{6a}}&{}\approx{}&0.995420435007&{}:{}&-0.011994295913&{}:{}&0.016573860905&,\\C^{\prime\prime\prime}_{\mathbf{6a}}&{}\approx{}&1.006060936125&{}:{}&0.010910575620&{}:{}&-0.016971511745&,
\\
A^*_{\mathbf{6a}}&{}\approx{}&0.000000000000&{}:{}&1.235712762933&{}:{}&-0.235712762933&,\\B^*_{\mathbf{6a}}&{}\approx{}&0.975087481231&{}:{}&0.000000000000&{}:{}&0.024912518769&,\\C^*_{\mathbf{6a}}&{}\approx{}&1.154653670708&{}:{}&-0.154653670708&{}:{}&0.000000000000&.
\end{alignedat}
\]