Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{6a}}&{}\approx{}&1.035276180410&{}:{}&-0.012911978179&{}:{}&-0.022364202232&,\\B^\prime_{\mathbf{6a}}&{}\approx{}&10.375993078883&{}:{}&8.595754112725&{}:{}&-17.971747191608&,\\C^\prime_{\mathbf{6a}}&{}\approx{}&0.593412988719&{}:{}&-0.593412988719&{}:{}&1.000000000000&,
\\
A^{\prime\prime}_{\mathbf{6a}}&{}\approx{}&1.122622141240&{}:{}&-0.096305754298&{}:{}&-0.026316386942&,\\B^{\prime\prime}_{\mathbf{6a}}&{}\approx{}&1.025866493855&{}:{}&-0.025274022940&{}:{}&-0.000592470915&,\\C^{\prime\prime}_{\mathbf{6a}}&{}\approx{}&1.046885405069&{}:{}&-0.002212591852&{}:{}&-0.044672813216&,
\\
A^{\prime\prime\prime}_{\mathbf{6a}}&{}\approx{}&0.284608852862&{}:{}&0.235777693654&{}:{}&0.479613453484&,\\B^{\prime\prime\prime}_{\mathbf{6a}}&{}\approx{}&0.991526993178&{}:{}&-0.012366337738&{}:{}&0.020839344560&,\\C^{\prime\prime\prime}_{\mathbf{6a}}&{}\approx{}&1.011398467292&{}:{}&0.010449924747&{}:{}&-0.021848392040&,
\\
A^*_{\mathbf{6a}}&{}\approx{}&0.000000000000&{}:{}&1.258819045103&{}:{}&-0.258819045103&,\\B^*_{\mathbf{6a}}&{}\approx{}&0.965925826289&{}:{}&0.000000000000&{}:{}&0.034074173711&,\\C^*_{\mathbf{6a}}&{}\approx{}&1.207106781187&{}:{}&-0.207106781187&{}:{}&0.000000000000&.
\end{alignedat}
\]