Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{6c}}&{}\approx{}&1.923879532511&{}:{}&1.089790213552&{}:{}&-2.013669746063&,\\B^\prime_{\mathbf{6c}}&{}\approx{}&1.089790213552&{}:{}&1.923879532511&{}:{}&-2.013669746063&,\\C^\prime_{\mathbf{6c}}&{}\approx{}&0.472553645310&{}:{}&0.472553645310&{}:{}&0.054892709380&,
\\
A^{\prime\prime}_{\mathbf{6c}}&{}\approx{}&0.659245831340&{}:{}&0.911528288850&{}:{}&-0.570774120189&,\\B^{\prime\prime}_{\mathbf{6c}}&{}\approx{}&0.911528288850&{}:{}&0.659245831340&{}:{}&-0.570774120189&,\\C^{\prime\prime}_{\mathbf{6c}}&{}\approx{}&1.506834873031&{}:{}&1.506834873031&{}:{}&-2.013669746063&,
\\
A^{\prime\prime\prime}_{\mathbf{6c}}&{}\approx{}&0.347038012205&{}:{}&0.612649407548&{}:{}&0.040312580247&,\\B^{\prime\prime\prime}_{\mathbf{6c}}&{}\approx{}&0.612649407548&{}:{}&0.347038012205&{}:{}&0.040312580247&,\\C^{\prime\prime\prime}_{\mathbf{6c}}&{}\approx{}&1.048956292708&{}:{}&1.048956292708&{}:{}&-1.097912585416&,
\\
A^*_{\mathbf{6c}}&{}\approx{}&0.000000000000&{}:{}&0.645844620338&{}:{}&0.354155379662&,\\B^*_{\mathbf{6c}}&{}\approx{}&0.645844620338&{}:{}&0.000000000000&{}:{}&0.354155379662&,\\C^*_{\mathbf{6c}}&{}\approx{}&0.500000000000&{}:{}&0.500000000000&{}:{}&0.000000000000&.
\end{alignedat}
\]