A supplementary material to the paper Spectroscopic study of the C(3)$^{1}\Sigma^{+}$ -> X$^{1}\Sigma^{+}$ and c(2)$^{3}\Sigma^{+}$ -> X$^{1}\Sigma^{+}$ transitions in KCs molecule Authors: J.Szczepkowski (*), A. Grochola, W. Jastrzebski, P. Kowalczyk (*) e-mail address jszczep@ifpan.edu.pl ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Table 3: The rotationless IPA potential energy curve for the C(3) 1Sigma state in KCs. R [A] V [cm^-1] -------------------------------- 3.21 20664.0999 3.38 18927.0604 3.55 17605.5353 3.72 16564.9855 3.89 15764.4816 4.06 15155.7356 4.23 14674.4462 4.35 14398.5341 4.47 14167.4465 4.59 13980.3846 4.71 13831.3831 4.83 13716.9772 4.95 13632.6236 5.07 13576.1102 5.19 13545.1240 5.31 13535.7225 5.43 13546.6006 5.55 13575.0582 5.67 13620.5025 5.79 13680.0095 5.91 13753.5786 6.03 13840.2220 6.15 13938.4331 6.27 14046.6375 6.39 14163.6573 6.51 14288.3672 6.63 14420.1156 6.93 14767.9659 7.11 14978.0578 7.29 15185.3250 7.47 15386.0479 7.65 15578.6355 7.83 15761.5114 8.01 15933.4216 8.19 16092.3027 8.37 16238.2845