Approximately,
\[
\begin{alignedat}{4}
A^\prime_{\mathbf{7a}}&{}\approx{}&1.065384140902&{}:{}&-0.032692070451&{}:{}&-0.032692070451&,\\B^\prime_{\mathbf{7a}}&{}\approx{}&1.366025403784&{}:{}&1.000000000000&{}:{}&-1.366025403784&,\\C^\prime_{\mathbf{7a}}&{}\approx{}&1.366025403784&{}:{}&-1.366025403784&{}:{}&1.000000000000&,
\\
A^{\prime\prime}_{\mathbf{7a}}&{}\approx{}&1.366025403784&{}:{}&-0.183012701892&{}:{}&-0.183012701892&,\\B^{\prime\prime}_{\mathbf{7a}}&{}\approx{}&1.072410996238&{}:{}&-0.063855924532&{}:{}&-0.008555071705&,\\C^{\prime\prime}_{\mathbf{7a}}&{}\approx{}&1.072410996238&{}:{}&-0.008555071705&{}:{}&-0.063855924532&,
\\
A^{\prime\prime\prime}_{\mathbf{7a}}&{}\approx{}&0.405827419558&{}:{}&0.297086290221&{}:{}&0.297086290221&,\\B^{\prime\prime\prime}_{\mathbf{7a}}&{}\approx{}&1.008290376865&{}:{}&-0.030940107676&{}:{}&0.022649730810&,\\C^{\prime\prime\prime}_{\mathbf{7a}}&{}\approx{}&1.008290376865&{}:{}&0.022649730810&{}:{}&-0.030940107676&,
\\
A^*_{\mathbf{7a}}&{}\approx{}&0.000000000000&{}:{}&0.500000000000&{}:{}&0.500000000000&,\\B^*_{\mathbf{7a}}&{}\approx{}&0.866025403784&{}:{}&0.000000000000&{}:{}&0.133974596216&,\\C^*_{\mathbf{7a}}&{}\approx{}&0.866025403784&{}:{}&0.133974596216&{}:{}&0.000000000000&.
\end{alignedat}
\]