Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{7c}}&{}\approx{}&-0.382683432365&{}:{}&-1.630986313698&{}:{}&3.013669746063&,\\B^\prime_{\mathbf{7c}}&{}\approx{}&-1.630986313698&{}:{}&-0.382683432365&{}:{}&3.013669746063&,\\C^\prime_{\mathbf{7c}}&{}\approx{}&-0.212662112836&{}:{}&-0.212662112836&{}:{}&1.425324225672&,
\\
A^{\prime\prime}_{\mathbf{7c}}&{}\approx{}&-0.376263706774&{}:{}&-0.232273819991&{}:{}&1.608537526765&,\\B^{\prime\prime}_{\mathbf{7c}}&{}\approx{}&-0.232273819991&{}:{}&-0.376263706774&{}:{}&1.608537526765&,\\C^{\prime\prime}_{\mathbf{7c}}&{}\approx{}&-1.006834873031&{}:{}&-1.006834873031&{}:{}&3.013669746063&,
\\
A^{\prime\prime\prime}_{\mathbf{7c}}&{}\approx{}&-0.182893532196&{}:{}&-0.042912882880&{}:{}&1.225806415076&,\\B^{\prime\prime\prime}_{\mathbf{7c}}&{}\approx{}&-0.042912882880&{}:{}&-0.182893532196&{}:{}&1.225806415076&,\\C^{\prime\prime\prime}_{\mathbf{7c}}&{}\approx{}&-0.170209910570&{}:{}&-0.170209910570&{}:{}&1.340419821139&,
\\
A^*_{\mathbf{7c}}&{}\approx{}&0.000000000000&{}:{}&0.354155379662&{}:{}&0.645844620338&,\\B^*_{\mathbf{7c}}&{}\approx{}&0.354155379662&{}:{}&0.000000000000&{}:{}&0.645844620338&,\\C^*_{\mathbf{7c}}&{}\approx{}&0.500000000000&{}:{}&0.500000000000&{}:{}&0.000000000000&.
\end{alignedat}
\]