Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{1c}}&{}\approx{}&0.500000000000&{}:{}&-1.207106781187&{}:{}&1.707106781187&,\\B^\prime_{\mathbf{1c}}&{}\approx{}&-1.207106781187&{}:{}&0.500000000000&{}:{}&1.707106781187&,\\C^\prime_{\mathbf{1c}}&{}\approx{}&-3.761972627396&{}:{}&-3.761972627396&{}:{}&8.523945254791&,
\\
A^{\prime\prime}_{\mathbf{1c}}&{}\approx{}&-1.827744053083&{}:{}&-0.535333838875&{}:{}&3.363077891958&,\\B^{\prime\prime}_{\mathbf{1c}}&{}\approx{}&-0.535333838875&{}:{}&-1.827744053083&{}:{}&3.363077891958&,\\C^{\prime\prime}_{\mathbf{1c}}&{}\approx{}&-0.353553390593&{}:{}&-0.353553390593&{}:{}&1.707106781187&,
\\
A^{\prime\prime\prime}_{\mathbf{1c}}&{}\approx{}&-0.595226916389&{}:{}&0.246551061458&{}:{}&1.348675854931&,\\B^{\prime\prime\prime}_{\mathbf{1c}}&{}\approx{}&0.246551061458&{}:{}&-0.595226916389&{}:{}&1.348675854931&,\\C^{\prime\prime\prime}_{\mathbf{1c}}&{}\approx{}&0.184699031259&{}:{}&0.184699031259&{}:{}&0.630601937482&,
\\
A^*_{\mathbf{1c}}&{}\approx{}&0.000000000000&{}:{}&-1.630986313698&{}:{}&2.630986313698&,\\B^*_{\mathbf{1c}}&{}\approx{}&-1.630986313698&{}:{}&0.000000000000&{}:{}&2.630986313698&,\\C^*_{\mathbf{1c}}&{}\approx{}&0.500000000000&{}:{}&0.500000000000&{}:{}&0.000000000000&.
\end{alignedat}
\]