Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{6c}}&{}\approx{}&1.258819045103&{}:{}&1.673032607476&{}:{}&-1.931851652578&,\\B^\prime_{\mathbf{6c}}&{}\approx{}&0.165726671298&{}:{}&1.165726671298&{}:{}&-0.331453342597&,\\C^\prime_{\mathbf{6c}}&{}\approx{}&0.258819045103&{}:{}&0.448287736084&{}:{}&0.292893218813&,
\\
A^{\prime\prime}_{\mathbf{6c}}&{}\approx{}&0.202066430806&{}:{}&0.885665509450&{}:{}&-0.087731940256&,\\B^{\prime\prime}_{\mathbf{6c}}&{}\approx{}&0.470143910508&{}:{}&0.707106781187&{}:{}&-0.177250691694&,\\C^{\prime\prime}_{\mathbf{6c}}&{}\approx{}&0.325806343210&{}:{}&1.240019905583&{}:{}&-0.565826248794&,
\\
A^{\prime\prime\prime}_{\mathbf{6c}}&{}\approx{}&0.109102601687&{}:{}&0.767431166621&{}:{}&0.123466231692&,\\B^{\prime\prime\prime}_{\mathbf{6c}}&{}\approx{}&0.312754422633&{}:{}&0.415666055605&{}:{}&0.271579521762&,\\C^{\prime\prime\prime}_{\mathbf{6c}}&{}\approx{}&0.205645020102&{}:{}&1.109948927634&{}:{}&-0.315593947736&,
\\
A^*_{\mathbf{6c}}&{}\approx{}&0.000000000000&{}:{}&0.807007203691&{}:{}&0.192992796309&,\\B^*_{\mathbf{6c}}&{}\approx{}&0.758819045103&{}:{}&0.000000000000&{}:{}&0.241180954897&,\\C^*_{\mathbf{6c}}&{}\approx{}&0.429359733804&{}:{}&0.570640266196&{}:{}&0.000000000000&.
\end{alignedat}
\]