Study of excited electronic states of the $^{39}$KCs molecule correlated with the K($4^2$S)+Cs($5^2$D) asymptote: experiment and theoryā€¯ J. Szczepkowski, A. Grochola, W. Jastrzebski, P. Kowalczyk, R. Vexiau, N. Bouloufa-Maafa, O. Dulieu Supplementary materials ---------------------------------- Spin-orbit coupling matrix elements for the subspace of states with projection of the total electronic angular momentum $\Omega=1$. The offdiagonal matrix elements for (4)^3Sigma^+ and (3)^3Pi states R[A] SO [cm^-1] ---------------------------------- 3.3867 6.3794 3.5455 6.0476 3.7042 5.5766 3.8630 4.8913 4.0217 4.0510 4.1805 3.1637 4.3393 2.2246 4.4980 1.2282 4.6568 0.28453 4.8155 -0.54378 4.9743 -1.2570 5.1330 -1.8742 5.2918 -2.5511 5.4505 -3.7865 5.6093 -5.5473 5.7680 -4.9552 5.9268 -2.8769 6.0855 -0.11444 6.2443 3.1471 6.4030 6.7930 6.5618 10.679 6.7206 14.624 6.8793 18.387 7.0381 21.718 7.1968 24.451 7.3556 26.561 7.5143 28.128 7.6731 29.278 7.8318 30.128 7.9906 30.768 8.1493 31.260 8.3081 31.649 8.4668 31.962 8.6256 32.219 8.7843 32.433 8.9431 32.612 9.1018 32.764 9.2606 32.894 9.4194 33.006 9.5781 33.102 9.7369 33.185 9.8956 33.257 10.054 33.320 10.213 33.374 10.372 33.422 10.531 33.464 10.689 33.500 10.848 33.532 11.007 33.561 11.166 33.586 11.324 33.608 11.483 33.627 11.642 33.644 11.801 33.660 11.959 33.674 12.118 33.686 12.277 33.697 12.436 33.706 12.594 33.715 12.753 33.723 12.912 33.730 13.071 33.736 13.229 33.742 13.388 33.747 13.547 33.751 13.706 33.755 13.864 33.759 14.023 33.763 14.182 33.766 14.341 33.768 14.499 33.771 14.658 33.773 14.817 33.775 14.976 33.777 15.134 33.779 15.293 33.781 15.452 33.782 15.611 33.784 15.769 33.785 15.928 33.786 16.087 33.787 16.246 33.788 16.404 33.789 16.563 33.790 16.722 33.791 16.881 33.792 17.040 33.792 17.198 33.793 17.357 33.794 17.516 33.794 17.675 33.795 17.833 33.795 17.992 33.796 18.151 33.796 18.310 33.796 18.468 33.797 18.627 33.797 18.786 33.797 18.945 33.798 19.103 33.798 19.262 33.798 19.421 33.798 19.580 33.799 19.738 33.799 19.897 33.799 20.056 33.799 20.215 33.799 20.373 33.800 20.532 33.800 20.691 33.800 20.850 33.800 21.008 33.800 21.167 33.800 21.326 33.800 21.485 33.801 21.643 33.801 21.802 33.801 21.961 33.801 22.120 33.801 22.278 33.801 22.437 33.801 22.596 33.801 22.755 33.801 22.913 33.801 23.072 33.801 23.231 33.801 23.390 33.801 23.548 33.802 23.707 33.802