Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{6a}}&{}\approx{}&1.069165380380&{}:{}&-0.033199382582&{}:{}&-0.035965997798&,\\B^\prime_{\mathbf{6a}}&{}\approx{}&2.259078156460&{}:{}&4.614525050336&{}:{}&-5.873603206796&,\\C^\prime_{\mathbf{6a}}&{}\approx{}&0.852036107425&{}:{}&-2.044886657820&{}:{}&2.192850550395&,
\\
A^{\prime\prime}_{\mathbf{6a}}&{}\approx{}&1.237380562420&{}:{}&-0.221083753689&{}:{}&-0.016296808731&,\\B^{\prime\prime}_{\mathbf{6a}}&{}\approx{}&1.065696535654&{}:{}&-0.065337982327&{}:{}&-0.000358553327&,\\C^{\prime\prime}_{\mathbf{6a}}&{}\approx{}&1.076407261946&{}:{}&-0.004913048853&{}:{}&-0.071494213093&,
\\
A^{\prime\prime\prime}_{\mathbf{6a}}&{}\approx{}&0.178052608217&{}:{}&0.363700661948&{}:{}&0.458246729835&,\\B^{\prime\prime\prime}_{\mathbf{6a}}&{}\approx{}&0.997758199656&{}:{}&-0.030982069568&{}:{}&0.033223869913&,\\C^{\prime\prime\prime}_{\mathbf{6a}}&{}\approx{}&1.007263373092&{}:{}&0.026620283191&{}:{}&-0.033883656283&,
\\
A^*_{\mathbf{6a}}&{}\approx{}&0.000000000000&{}:{}&1.284819196258&{}:{}&-0.284819196258&,\\B^*_{\mathbf{6a}}&{}\approx{}&0.960600743902&{}:{}&0.000000000000&{}:{}&0.039399256098&,\\C^*_{\mathbf{6a}}&{}\approx{}&1.227023454471&{}:{}&-0.227023454471&{}:{}&0.000000000000&.
\end{alignedat}
\]