Formula_8617

\[\left.\begin{array}{l}\Phi_{\mathrm{a}}=\frac{1}{\sqrt{2}}\left[\psi_{n}\left(\boldsymbol{r}_{1}\right) \psi_{m}\left(\boldsymbol{r}_{2}\right)-\psi_{m}\left(\boldsymbol{r}_{1}\right) \psi_{n}\left(\boldsymbol{r}_{2}\right)\right] \text { для } S=1, \\\Phi_{\mathrm{c}}=\frac{1}{\sqrt{2}}\left[\psi_{n}\left(\boldsymbol{r}_{1}\right) \psi_{m}\left(\boldsymbol{r}_{2}\right)+\psi_{m}\left(\boldsymbol{r}_{1}\right) \psi_{n}\left(\boldsymbol{r}_{2}\right)\right] \text { для } S=0\end{array}\right\}\]