Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{7c}}&{}\approx{}&0.221231742082&{}:{}&-1.260073510670&{}:{}&2.038841768588&,\\B^\prime_{\mathbf{7c}}&{}\approx{}&-1.260073510670&{}:{}&0.221231742082&{}:{}&2.038841768588&,\\C^\prime_{\mathbf{7c}}&{}\approx{}&-0.101689070346&{}:{}&-0.101689070346&{}:{}&1.203378140691&,
\\
A^{\prime\prime}_{\mathbf{7c}}&{}\approx{}&-0.188190960236&{}:{}&-0.077575089194&{}:{}&1.265766049430&,\\B^{\prime\prime}_{\mathbf{7c}}&{}\approx{}&-0.077575089194&{}:{}&-0.188190960236&{}:{}&1.265766049430&,\\C^{\prime\prime}_{\mathbf{7c}}&{}\approx{}&-0.519420884294&{}:{}&-0.519420884294&{}:{}&2.038841768588&,
\\
A^{\prime\prime\prime}_{\mathbf{7c}}&{}\approx{}&-0.090830901682&{}:{}&0.015947227240&{}:{}&1.074883674442&,\\B^{\prime\prime\prime}_{\mathbf{7c}}&{}\approx{}&0.015947227240&{}:{}&-0.090830901682&{}:{}&1.074883674442&,\\C^{\prime\prime\prime}_{\mathbf{7c}}&{}\approx{}&0.089159421976&{}:{}&0.089159421976&{}:{}&0.821681156047&,
\\
A^*_{\mathbf{7c}}&{}\approx{}&0.000000000000&{}:{}&0.270175225787&{}:{}&0.729824774213&,\\B^*_{\mathbf{7c}}&{}\approx{}&0.270175225787&{}:{}&0.000000000000&{}:{}&0.729824774213&,\\C^*_{\mathbf{7c}}&{}\approx{}&0.500000000000&{}:{}&0.500000000000&{}:{}&0.000000000000&.
\end{alignedat}
\]